Digital Stamp Cards: How They Work and How to Set One Up

A digital stamp card — also called a digital punch card or virtual stamp card — replaces the paper card a cashier used to stamp or hole-punch by hand. Instead of ten boxes on cardstock, the stamps sit on a card in the customer's Apple Wallet or Google Wallet. The mechanic hasn't changed: visit enough times, earn a reward. What changed is where the card lives — a phone, not a pocket full of receipts — and what that means for how many of your customers actually finish the card.

How a digital stamp card works

The setup is one QR code and one scan per visit. Nothing about it requires the customer to learn a new habit.

1. Customer scans a QR code, once

   At the counter, on a receipt, or in a window. No form, no account to create.

2. The card saves to their Wallet

   Apple Wallet on iPhone, Google Wallet on Android — the same QR code routes to the right one automatically.

3. Staff scan the card on every visit

   Point a phone at the customer's Wallet card and add a stamp. It takes a couple of seconds at the register.

4. The stamp count updates on the lock screen

   The customer doesn't need to open anything — the card refreshes in Wallet and shows the new count automatically.

5. At the target number, the reward unlocks

   No manual check needed. The card itself tells the customer — and your staff — that the reward is ready.

That's the whole loop. For the full walkthrough of building the card itself, from a blank business profile to a customer's first scan, see how to create an Apple Wallet loyalty card.

Paper punch cards vs. digital stamp cards

The mechanic is identical. What differs is what happens to it after the first stamp.

The gap that matters most is the one you can't see on the card itself: a paper card gives you zero data on who's carrying one, who's about to earn a reward, or who hasn't been in for a month. A digital stamp card gives you that list by default. For a full breakdown of what each option costs to run, see how much a digital loyalty program costs.

How many stamps, and what reward

Most stamp cards fail on one of two settings: too many stamps to bother starting, or a reward too small to notice. A few numbers that hold up across most small businesses:

• 6 to 10 stamps is the range that works for most repeat-visit businesses — enough to feel earned, not so many it feels out of reach.
• The reward should be worth roughly one average purchase — a free coffee, not a free espresso machine. Anything smaller doesn't register; anything bigger erodes margin.
• A café commonly runs 10 stamps for a free coffee — one per visit, easy to explain at the register.
• A bakery often uses 8 stamps for a free pastry or loaf, since ticket size varies more than a café's.
• A barbershop or salon tends to sit lower, around 6 stamps for a free cut or add-on, since visits are spaced weeks apart rather than days.

These are starting points, not rules — you can change the stamp count or the reward later without rebuilding the card. See how this plays out for specific business types on the cafés and bakeries pages.

Quick setup

Five steps, about 15 minutes, using Pikarta:

1. Download Pikarta and create your business profile

   Name, category and contact details — under a minute.

2. Pick the stamps model

   Set the stamp count and the reward it unlocks. You can adjust both later.

3. Design the card

   Logo, colors, a banner image. Changes push automatically to every customer who already saved the card.

4. Print or display the QR code

   Counter, window or receipt — it's the only thing a new customer needs to see.

5. Stamp your first customer

   Scan their Wallet card from the app. The count updates on their phone right away.

For the four loyalty mechanics side by side — stamps, points, cashback, discount — and which fits which business, see how to create a Wallet loyalty card.