In this guide
Yes, loyalty programs work for many small shops, but they rarely turn occasional browsers into devoted regulars on their own. What they do well is reward people who already like your business, giving those customers a reason to choose you over a competitor next time. The real question is whether the extra visits and larger baskets cover the cost of discounts, software, and staff time. This article explains what a loyalty program can realistically do for a cafe, salon, or retail store, which retention strategies tend to work best, and how to spot the point where the benefits stop paying off.
See also: Stamp Card vs Points Card: Which Loyalty Card Fits Your Shop? · Loyalty Card QR Code: How Customers Join and Collect Stamps
Signs Your Shop Is Ready
A loyalty program only helps if your shop already delivers a solid experience. The program rewards repeat visits, but it cannot fix weak service, inconsistent products, or an unclear brand. Before you invest time in cards, apps, or points, look for a few practical signals.
You already see the same faces
Walk through your shop on a Tuesday afternoon. Do you recognise several customers by name or order? A cafe where three or four people come in most mornings for the same coffee has a natural base for a loyalty scheme. A salon where clients rebook with the same stylist every six weeks already has repeat behaviour worth formalising. If you do not have this pattern, a loyalty program will not create it. It will only add admin to a shop that needs better basics first.
Customers ask about rewards or memberships
Pay attention to the questions at the till. When someone asks, “Do you have a stamp card?” or “Is there a discount for regulars?” they are telling you they intend to return. That question is a direct signal. A car wash that hears this from weekly customers, or a gym where members ask about referral perks, has demand waiting to be met. You are not inventing a reason to come back. You are answering a request.
Your average visit value is stable
A loyalty program works best when customers already buy more than one item or service per visit. If your typical sale is a single low-cost item, points and rewards may cost more to run than they return. For example, a shop with an average sale of £8 and a reward that costs £2 in product value gives away a quarter of that sale to encourage one more visit. That may still work, but you need the margin to absorb it. Restaurants with starters, mains, and drinks, or salons with colour, cut, and treatments, have more room to reward without hurting profit.
You can identify customers at the point of sale
A loyalty program needs a simple way to track visits. If your staff already know regulars, you can move from memory to a system. A phone number at checkout, a card scan, or a basic app login works only if your team will actually use it during busy periods. Test this for a week. Ask staff to record repeat customers on a simple sheet. If they forget or find it awkward, your shop is not ready for a digital or card-based program yet.
You have capacity to serve more repeat visits
Rewards should increase frequency, not create a queue you cannot handle. A small cafe with eight seats and a full lunch rush may not benefit from encouraging more 12:30 visits. But the same cafe with quiet hours at 3pm could use a loyalty reward tied to off-peak purchases. A gym with empty mid-morning classes can reward members who book those slots. If you have spare capacity at certain times or days, a loyalty program can direct demand where you need it.
If two or three of these signs match your shop, a loyalty program has a realistic chance of paying for itself. If none do, fix the experience first. The program is a tool for keeping customers you already have, not a magnet for ones who were never coming back.
Basic Punch Card Rules
A punch card works when the rules stay simple enough to explain in one sentence. The classic setup is "buy ten, get one free" or "buy nine coffees, get the tenth free." Customers see immediate progress each visit, and staff can process the card in seconds without needing a terminal or login.
Set a clear reward threshold that matches how often people return. A coffee shop might use ten punches because a daily customer reaches the reward within two weeks. A salon should not use ten visits, because a client who comes every six weeks would need more than a year to earn anything. For slower purchase cycles, five visits is more realistic. A car wash with weekly regulars can handle eight or ten. A gym smoothie bar with daily traffic can use twelve. Match the target to the natural rhythm of the business.
Decide what counts as a punch. Most shops give one punch per visit, not per item. If a customer buys two coffees in one order, that is still one punch unless you explicitly run a "per drink" card. Per-item punching rewards larger orders but costs more and complicates staff training. Per-visit punching is easier to track and encourages more frequent trips, which is the actual goal.
Define what the reward covers. A free coffee is straightforward. A free service, like a car wash or haircut, has a higher cost and should require more punches or be capped at a base service only. If you offer a free meal at a restaurant, specify whether it includes a drink or side. Vague rewards create awkward moments at the till and train customers to negotiate.
Put an expiry date on the card if you want to protect margins. A six-month or twelve-month window is common. Some shops avoid expiry dates to keep goodwill, but cards without deadlines can sit in drawers for years and resurface during a promotion or price increase. If you do use an expiry, print it clearly on the card and mention it when you hand it over. Silent expiries feel like a trick.
Handle lost cards with a simple policy. The easiest rule is "no card, no punches." Replacing lost cards from memory invites abuse and slows down the line. If you want to be generous, allow staff to issue a new card with a few bonus punches, but never reconstruct a full card from a customer's claim. A small sign at the counter stating the policy removes the staff member from being the bad guy.
Keep the physical card small enough for a wallet or phone case. Standard business-card size works. Print the shop name, the reward rule, and the expiry date on the card itself. If a customer pulls out a card from six months ago, both of you should be able to read the terms instantly.
Train every staff member to punch the card without being asked. The moment a customer pays and does not receive a punch, the program loses credibility. Make punching part of the closing routine: take payment, hand change, punch card, say thanks. One missed punch undoes several good visits.
Digital Rewards Without Big Software
A loyalty program does not require an app, a tablet at the counter, or a monthly subscription to a marketing platform. Many small shops run effective reward systems with tools they already own: a phone, a spreadsheet, a notebook, or a simple point-of-sale feature.
The simplest model is the digital punch card run through a messaging app or email. A cafe can ask customers for a first name and phone number, then send a short text each time they buy a coffee. After six visits, the seventh is free. The owner tracks visits in a spreadsheet or a notes app. This takes a few minutes per day and costs nothing beyond normal phone use.
A salon can use the same idea for higher-value services. After five haircuts, the client gets a discount on a styling product. The stylist logs each visit in a shared spreadsheet. When a client reaches the threshold, the salon sends a personal message: "You have earned 20 percent off any product this week." That message often brings the client back sooner than they would otherwise return.
Restaurants can run a receipt-based system without any software. Print a short code or stamp box on the bottom of every receipt. Customers bring back receipts showing five visits and receive a free appetizer or dessert. Staff simply count the stamps or codes at the till. The cost is the price of the free item, and the system requires no data entry.
Car washes can use a phone-number lookup at the register. The cashier types the number into a simple spreadsheet before each wash. After eight washes, the ninth is free. A basic spreadsheet formula counts visits per number. This works because car washes have a single, repeatable transaction and a short checkout time.
Gyms and fitness studios can track attendance in their existing booking system. If the booking tool already records who came to class, the owner can export that list monthly and message members who hit a milestone. A member who attends ten classes in a month might get a free guest pass or a discount on a personal training session. No new software is needed; the data is already there.
The key is consistency. A digital reward system fails when staff forget to log visits or when customers do not know the rules. Post the terms clearly at the counter and on receipts. Train every employee to ask for the phone number or email at checkout. A small sign that says "Buy five, get one free. We track it for you." removes confusion.
Start with one reward and one threshold. A cafe might offer a free drink after six purchases. A salon might offer a free add-on service after four visits. Track results for two months. If repeat visits increase and the cost of rewards stays below the profit from extra visits, keep the system. If not, adjust the threshold or the reward. The goal is not to build a complex program. The goal is to make regular customers feel recognised without adding daily administrative work.
See your own card before you pay
Design a stamp or points card in your shop colours and preview it on iPhone and Android for free. Pay only when you go live.
Design your card freeCost of Keeping a Customer
A loyalty program is not a one-time purchase. It is a recurring cost that sits inside your monthly budget, right next to rent, stock and wages. Before you launch one, you need to see what it actually costs to keep a customer coming back, and whether that cost leaves you with a profit on each repeat visit.
The simplest model is a punch card. A cafe gives a free coffee after nine paid visits. But the real cost is the discount spread across those nine visits. Each visit now carries an effective cost of about 13 cents. That is manageable, but only if the customer would not have come anyway. If a regular who already buys coffee five days a week gets the free drink, you have given away margin for no new behaviour.
Percentage-based rewards cost more and need tighter rules. The program only earns its keep if it converts occasional clients into regulars, or if it encourages add-on services such as a conditioning treatment or brow tidy.
Restaurants face a sharper version of this problem. That looks cheap. But the table that comes back for the free dessert may order only two mains and tap water, where they previously ordered starters and drinks. The loyalty reward can train customers to spend less per visit while still occupying a table during peak hours. The cost is not the dessert. It is the lost revenue from the table.
Gyms and car washes have a different cost structure. Their loyalty programs usually take the form of discounted memberships or prepaid wash bundles. A car wash selling ten washes for the price of eight is giving away two washes. But the bigger cost is capacity. If the wash is already busy on Saturday mornings, prepaid customers are not adding revenue — they are taking slots that full-price customers would have filled.
The hidden cost in every program is administration. Staff need to explain the rules, track points, handle forgotten cards and deal with customers who feel short-changed. A cafe owner who spends ten minutes a day fixing loyalty disputes is spending over an hour a week on program upkeep.
A practical test: work out your reward cost per visit, then compare it to the gross profit of one extra visit per month. The program works. Run that calculation with your own prices before you print a single card.
Emotional Loyalty vs Discount Loyalty
A customer who returns only because your coffee is 50 cents cheaper than the cafe next door is not loyal. They are price-sensitive. The moment a competitor undercuts you or your discount ends, they leave. Discount loyalty is rented, not owned.
Emotional loyalty works differently. It happens when a customer chooses your shop even when a cheaper or more convenient option exists. They come back because they trust your staff, like how you remember their order, or feel that your place reflects something about them. The distinction matters because loyalty programs can build either type, depending on how you design them.
What discount loyalty looks like in practice
A car wash offers every tenth wash free. Customers collect stamps, but they have no attachment to the business itself. If another car wash opens across the street with a ninth-wash-free offer, a meaningful share of those stamp collectors will switch. The program did its job mechanically, but it created no buffer against competition.
Restaurants see this with coupon apps. A diner redeems a two-for-one burger deal, then never returns until the next coupon appears. The restaurant pays to acquire a transaction, not a relationship. Salons that run constant Groupon-style promotions often report the same pattern: discount hunters book once, take the intro offer, and vanish.
What emotional loyalty looks like in practice
A neighbourhood cafe keeps a small notebook behind the counter. Staff note that Sarah orders oat milk flat whites and always buys a croissant on Fridays. When Sarah walks in, the barista says, "The usual, and is it a croissant day?" Sarah does not check whether the cafe down the road is 30 cents cheaper. She comes here because being known feels good.
A gym builds emotional loyalty through small rituals. The front-desk person greets members by name. Trainers remember injuries and check in on recovery. A member who feels seen will renew a membership even if a budget gym opens nearby with lower fees. The relationship, not the price, is the product.
A salon owner who sends a handwritten thank-you note after a first visit, or who texts a client a week after a colour treatment to ask how it settled, creates a reason to return that has nothing to do with points.
How loyalty programs can build either type
A points program that only rewards spending builds discount loyalty. It trains customers to calculate value. A program that rewards behaviours beyond spending, such as referring a friend, leaving a review, or visiting during quiet hours, starts to build emotional connection. The reward becomes recognition, not just currency.
The practical test is simple. Ask yourself: if a competitor opened next door tomorrow and offered the same product at a slightly lower price, would your regulars stay? If the honest answer is no, your loyalty program is probably a discount scheme wearing a different name. If the answer is yes, you have built something harder to copy.
Tracking Repeat Visits Simply
You do not need a point-of-sale system with built-in analytics to see whether a loyalty program is working. A simple paper card, a notebook, or a basic spreadsheet can tell you most of what you need to know. The key is to pick one method and use it every day, not to chase perfect data.
A cafe owner can track repeat visits with a stamp card. Each card has ten spaces. When a customer fills a card, the owner writes the date on the back before handing over the free drink. At the end of the month, count the completed cards. If the number is rising, the program is pulling people back. If the same three customers fill all the cards, the program is not reaching new regulars. That is useful information either way.
For a salon or barbershop, a simple booking sheet works well. Add a column for "loyalty member" next to each appointment. At the end of the week, count how many booked appointments came from people who have visited at least three times in the past two months. You do not need software for this. A paper diary and a highlighter are enough. The pattern you are looking for is whether loyalty members book their next appointment before leaving more often than walk-ins do.
Restaurants and takeaways can track repeat customers through a phone number or name on orders. When someone redeems a loyalty reward, note whether they ordered the same item as usual or tried something new. A customer who comes back for the same dish every time is already loyal. The program simply rewards behaviour that would happen anyway. A customer who orders a different dish on a loyalty visit is expanding their spend, which is a stronger sign the program is adding value.
A car wash can use a punch card tied to a licence plate number. Write the last three digits of the plate on the card. After two months, flick through the cards. If you see the same plates returning within a week or two of each wash, the program is shortening the gap between visits. If most cards have only one or two punches, the incentive is not strong enough or staff are not mentioning it at the point of sale.
Gyms and fitness studios often overcomplicate this. A simple attendance log with a tick next to members who joined through a loyalty or referral offer is enough. Compare their attendance over eight weeks with members who joined without an offer. If the loyalty group attends more often in weeks three to eight, the program is helping form a habit. If attendance drops at the same rate for both groups, the program is not the deciding factor.
The simplest tracking method is to ask one question at checkout: "Have you been here before?" Write the answer as a tally mark on a sheet behind the counter. You will quickly see what share of daily customers are repeats. If that share stays flat month after month while you run a loyalty program, the program is not doing its job. If the share climbs, keep going.
Common Setup Mistakes
Many small shops launch a loyalty program with good intentions, then quietly abandon it because the results never match the effort. The problem is rarely the idea. It is almost always the setup. A few specific mistakes show up again and again in cafes, salons, car washes and independent retail stores.
The first mistake is making the reward too far away. A coffee shop might set the bar at “buy 12 coffees, get one free.” For a customer who visits once a week, that reward is three months out. Most people lose the card, forget the program exists, or simply stop caring. A better approach is a smaller first reward, such as a free size upgrade after five visits, followed by a free drink after ten. The customer feels progress early, which keeps the card in their wallet.
The second mistake is tying the program to an app or digital system the customer does not want to use. A neighbourhood bakery might ask every customer to download an app, create an account and scan a QR code at the till. For a quick croissant and coffee, that is friction. The owner ends up spending more time explaining the app than serving the queue. For many small shops, a simple paper punch card or a phone number lookup at the till works better. Digital tools help when the customer base is young, tech-savvy and already ordering online. They hurt when the typical customer is in a hurry and paying with cash.
The third mistake is rewarding the wrong behaviour. A salon might give points for every dollar spent, which sounds logical. But that rewards a customer who comes in once a year for a full colour treatment just as much as a loyal client who comes every six weeks for a trim. The program does nothing to increase visit frequency, which is usually the real goal. A smarter setup rewards the repeat visit itself. For example, a salon could offer a free conditioning treatment after four visits within six months. That encourages the regular rhythm the business actually needs.
The fourth mistake is launching without training staff to mention it. A car wash might print loyalty cards and leave them by the till. The owner wonders why nobody signs up. The reason is that the staff never offer the card. They are busy, the customer is leaving, and the card is just part of the counter clutter. The fix is simple: one sentence at the end of the transaction. “You have four washes now, two more and the next one is free.” That single line, repeated consistently, does more than any poster or window sticker.
The fifth mistake is creating a program that costs more than it returns. A restaurant might offer a free main course after five visits. If the average main course costs the business eight dollars in ingredients and the average customer would have returned anyway, the program quietly eats margin. A better structure ties the reward to an item with high perceived value but low cost, such as a free dessert, a complimentary side or an extra service. The customer feels rewarded, and the business keeps the cost under control.
The final mistake is never reviewing the numbers. A gym might sign up two hundred members to a loyalty scheme and never check whether those members visit more often than non-members. Without that comparison, the program is just a cost. A simple monthly look at sign-ups, redemptions and visit frequency tells the owner whether the setup is working or needs adjustment.
When Loyalty Programs Fail
A loyalty program can fail even when the shop owner follows the standard advice. The card is printed, the app is downloaded, the points are explained. Customers nod politely and never come back more often than before. Understanding why this happens saves you from spending months on a program that quietly drains time and money.
One common failure is rewarding the wrong behaviour. A car wash gives a free wash after ten visits. That sounds reasonable, but most customers only wash their car a few times a year. The reward sits so far in the future that it does not change their decision today. Meanwhile, the regular weekly customer would have come anyway. The program gives away a free service to people who were already loyal, without pulling in the occasional visitor. The cost is real, but the extra visits never materialise.
Another failure comes from complexity. A salon introduces a points system where different services earn different points, and points expire after different periods depending on the service category. Staff spend several minutes per customer explaining the rules. Customers feel confused rather than rewarded. Some avoid mentioning the program altogether because they do not want to hold up the queue. The program was meant to build goodwill, but it adds friction at the till. Simplicity matters more than cleverness. If a customer cannot explain the benefit in one sentence, the program is working against you.
Discount fatigue is a quieter failure. A cafe gives every tenth coffee free. After a few months, the owner notices that average spend per visit has dropped. Customers who used to buy a coffee and a pastry now buy only the coffee, because the reward feels like the main event. The free coffee becomes an expected discount rather than a thank-you. The program trains customers to wait for the freebie and reduces the value of the full-price purchase in their mind. The cafe is busier but earning less per customer.
Poor staff execution kills many programs before they start. A restaurant launches a loyalty scheme but does not train the evening shift properly. Some servers forget to ask for the loyalty card, others apply the discount inconsistently. A regular customer is told one week that her points have expired, then the next week that they are still valid. She stops asking. The inconsistency feels worse than having no program at all, because it signals that the business does not have its act together.
Finally, some programs fail because they reward visits but ignore spend. A gym gives a free month after twelve visits. Members who attend twice a week earn the reward easily, while the member who pays for personal training twice a month but visits less often gets nothing. The program ignores the customers who contribute the most revenue. The reward structure sends the message that showing up matters more than the value of the relationship.
The common thread is that these programs were designed from the owner's perspective, not the customer's. They assume customers will do the maths, track the points, and adjust their habits. Most people do none of these things. A loyalty program fails when it asks customers to work for a reward they did not really want in the first place.
Low Budget Retention Ideas
You do not need a digital app or a plastic card to keep customers coming back. Some of the strongest retention tools cost almost nothing and take a few minutes to set up. The question “do loyalty programs work” often gets asked by owners who think loyalty means software, points and member portals. In reality, a simple paper punch card or a handwritten note can outperform a complicated system in a small shop.
Start with a paper punch card for a cafe or car wash. Print ten small squares on a business card. Give one stamp per coffee or wash. After ten stamps, the next one is free. Keep the card in the shop, not in the customer’s wallet, if you want to reduce lost cards. A nail salon can do the same with a card kept in a small index box behind the counter. The customer does not need to remember anything. You just stamp it when they pay. This removes the friction that makes many digital loyalty programs fail.
A restaurant or bakery can use a “surprise and delight” rule instead of a formal points system. Pick one slow day, such as Tuesday afternoon. Whenever a regular orders a main dish, add a small free side or a pastry without announcing it beforehand. Tell them it is because you appreciate them coming in on a quiet day. This costs the food cost of one small item, often under a dollar, but it creates a reason to return on that specific day. It also builds a habit around your slower hours, which is a core customer retention strategy for small business.
Gyms and salons can run a “bring a friend” week twice a year. For five days, members or regular clients can bring one guest at no charge. You do not need to advertise heavily. A small sign at the desk and a mention during checkout is enough. The guest often becomes a paying customer, and the existing member feels valued because they can share something useful. This works because it uses your current repeat customers as your marketing channel.
Another low-cost idea is a simple birthday or anniversary message. A salon can keep a basic spreadsheet with the client’s name, phone number and the month of their last visit. Once a month, send ten short text messages: “Hi Maria, it’s been about eight weeks since your last cut. We have a slot open Thursday at 2pm if you’d like it.” This is not a discount. It is a reminder plus a specific opening. Many small shops lose repeat customers simply because nobody asks them to come back.
A car wash can offer a “rain check” policy. If it rains within 24 hours of a wash, the customer gets a free exterior wash on their next visit. This costs little because rain days are usually slow anyway. It also answers the question “do loyalty programs work” in a practical way: yes, when the reward matches a real inconvenience the customer faces.
Finally, track one number: how many customers return within 30 days. You can count this manually with a simple tick sheet at the register. Before you spend money on any loyalty software, measure that number for two months using only the ideas above. If repeat visits rise, you have your answer. If they do not, the problem is likely service, price or location, not the lack of a loyalty program.
How PassHive handles this
This site is published by the team that builds PassHive, so you should know that before reading on. The earlier sections of this article explain what loyalty programs can and cannot do for a small shop. This section is about how PassHive approaches the practical side: cost, setup, and what happens after a customer saves your card.
What you get
PassHive lets you issue your own branded loyalty cards that customers save to Apple Wallet or Google Wallet. You choose between a stamp card (buy 9, get the 10th free) or a points card. The card shows your shop’s name, colour, and logo, and it updates on the customer’s phone when you add a stamp or points.
There is no app for customers to download. They join by scanning a QR code at the counter or opening a link. You can design the card and preview it on iPhone and Android for free, and you only pay when you go live.
What it costs
If you have up to 100 branches, it is $25 per month. Up to 275 branches is $50 per month, and up to 1,250 branches is $100 per month.
Compare that with a competitor like PassKit. PassKit starts at $39.50 per month and includes 250 passes, then charges per extra pass. A cafe with 1,000 customers would pay roughly $73 per month on PassKit, while the same shop pays $10 per month on PassHive. A shop with 10,000 customers would pay around $341 per month on PassKit, still $10 on PassHive. You can check PassHive pricing yourself.
What the card can do after setup
Once a customer saves your card, you can send push notifications with offers or a message that their reward is ready. Google limits this to roughly three messages per card per day. The card can also remind customers near your shop. Apple supports up to 10 locations per card with a radius of about 200 metres, and Google uses merchant locations. The phone decides when to show these reminders, so phrase them as “can remind,” not as guaranteed alerts.
You can turn any branch off at any time, and its cards stop working immediately. If you have a developer or agency, PassHive has a public REST API with API keys. Documentation is at passhive.app/docs.
What PassHive is not
PassHive is not a POS, not an e-commerce plugin, and it has no named integrations with Shopify, Square, Toast, or similar systems. If you need those features, you will need other tools alongside it.
The honest trade-off is this: you get a simple, low-cost way to put a branded loyalty card in Apple Wallet and Google Wallet, with no per-customer fees. For a shop that wants to test whether a loyalty program works without a big commitment, that is a reasonable starting point. You can start designing your card free and see how it looks before paying anything.
PassHive is a flat monthly plan for the whole business, not a fee per branch. The plan sets the maximum number of active branches you can run: $10 a month for up to 100 branches, $25 for up to 275, $50 for up to 600 and $100 for up to 1,250. Yearly billing gives two months free ($100, $250, $500 or $1,000 a year). A cafe with one branch pays $10 a month in total, whatever the number of cards or customers. That is what "pay for your branches, not your customers" means: the plan size follows how many branches you run, never how many people save your card.
Make the card first. Pay when you go live.
Design a stamp or points card in your shop colours, preview it on iPhone and Android, and decide after you have seen it.
Frequently asked questions
Do loyalty programs work for very small shops?
Yes, if the reward is immediate and easy to understand. A simple punch card or points system can increase repeat visits, but only when customers already like your product or service. Loyalty programs amplify existing satisfaction; they rarely fix a poor experience.
How long before a loyalty program shows results?
Most small shops see a noticeable change in repeat purchase frequency within two to four months. The key is consistent promotion at checkout and keeping the reward threshold low enough that customers feel progress quickly without devaluing your margin.
What is the biggest mistake small businesses make with loyalty programs?
Making rewards too hard to earn or too complex to explain. If a customer cannot remember how the program works or needs an app they will not open, they will ignore it. Simplicity and a visible next reward drive participation far more than generous distant prizes.
Can a loyalty program replace other customer retention strategies?
No. A loyalty program works best alongside friendly service, consistent quality, and simple follow-up like a thank you message or birthday offer. It is a tool to formalize appreciation, not a substitute for the human connection that makes customers return.
Should small shops offer points or a simple stamp card?
For most small shops, a stamp or punch card is easier to manage and understand. Points systems make sense only if you sell many different items and want to reward spending levels. Start with the simplest format that matches your average transaction size.
Do discounts from loyalty programs hurt profit margins?
They can if the discount is too deep or given too often. A free item after ten purchases typically costs less than a constant ten percent off. Calculate the actual cost of the reward against the extra visits needed to break even before launching.
Keep reading
- Stamp Card vs Points Card: Which Loyalty Card Fits Your Shop?Compare stamp card vs points card loyalty programs. Learn which fits your shop based on visit frequency, customer value, and business goals.
- Loyalty Card QR Code: How Customers Join and Collect StampsSee how loyalty card QR codes let customers scan to join and collect digital stamps. A simple guide to QR loyalty programs and stamp cards.
- The complete guide to digital loyalty cards