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How a digital stamp card works

Revisit team3 min read

Cover for How a digital stamp card works

Key takeaways

  • The card sits in the wallet app customers already have, so there is no app to download.
  • Staff add a stamp by scanning the card from any phone with a camera.
  • The reward unlocks on its own when the card is full.

What a digital stamp card is

A paper punch card has one job: make a customer feel they are part way to a free coffee. It fails when it is left at home or lost in a pocket.

A digital stamp card does the same job from inside the phone. It is a pass in Apple Wallet or Google Wallet, next to bank cards and tickets. It shows the stamps collected so far, for example 7 of 10, and the reward at the end.

Kafi KothaGulshan 2
Stamps7 / 10

7 of 10 stamps

RewardFree cappuccino
MemberNusrat J.
A sample stamp card: 7 of 10 stamps, free cappuccino at the end.

How a customer gets the card

  1. The customer sees the QR code on your counter, table or door.
  2. They scan it with the phone camera and tap to save the card to their wallet.
  3. The card is on the phone. It takes about six seconds, and they do not install anything.

Android phones use Google Wallet and iPhones use Apple Wallet. If a phone has neither, the card still works as a web card from its own link.

How staff add a stamp

  1. 01

    Open the scanner

    The scanner runs in the browser on any phone, tablet or laptop with a camera. There is nothing to buy.

  2. 02

    Scan the customer's card

    Hold the camera to the card's QR code. One scan adds one stamp.

  3. 03

    The card updates

    The new stamp shows on the customer's phone straight away.

Every scan is recorded once, even if it is tapped twice or the connection drops. You can see each stamp and reward in your dashboard.

What happens when the card is full

When the last stamp lands, the reward unlocks. Staff redeem it with one scan, and the customer can start a new card. You choose the reward: a free cup after 10 stamps, a pastry with any coffee, or a size upgrade.

Common questions

Do my customers need to download an app?

No. They scan a QR or tap a link and the card goes straight into Apple Wallet or Google Wallet, which are already on their phone.

Do I need an Apple Developer account?

No. Your cards are issued on our verified wallet setup from day one, so there is nothing to register and no developer fee to pay.

What do I need at the counter?

Any phone, tablet or laptop with a camera. The scanner runs in the browser.

Ready to try it? See how fast a card goes live, or look at loyalty cards for cafes.

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