Digital loyalty cards Mithra Stamps
The stamp card your customers never leave at home.
Mithra Stamps is a digital loyalty card system for businesses in Costa Rica. The card is saved as a pass in Apple Wallet or Google Wallet: your customer adds it by scanning a QR code, without downloading any app, and every visit adds a stamp that shows up on their phone within seconds.
- Lives in Apple Wallet and Google Wallet, no app to download
- You design the card: stamp, colors, and reward
- The register stamps with the browser camera
- Stamps per visit or prepaid credits
Currently in production with Mr. Bing, a bingsu (Korean shaved-ice dessert) shop in Curridabat.
Your loyalty card, from your dashboard to their Wallet in four steps.
This is Mithra Stamps end to end: what your business does and what your customer sees on their phone. The full video runs 16 seconds.
The full Mithra Stamps journey: the business designs its card, the customer saves it to their Wallet, the register stamps it with the camera, and the customer comes back for their reward.
The video is in Spanish. English subtitles are available in the player (CC).
01CardDesign your card
Pick the stamp, the colors, and the reward, and see the card exactly as your customer will.
02WalletYour customer saves it to their Wallet
They scan a QR code, type their name, and add it to Apple Wallet or Google Wallet. Free, and no extra app to download.
03RegisterThe register stamps with the camera
From the browser, the register scans the card's code and adds the stamp in one tap. Your customer sees it on their phone within seconds.
04RewardAnd they come back for their reward
When the card is full, the register redeems the reward and the card starts over. Every visit counts.
The card is what your customer sees. Behind it there's a dashboard for your business and a register that works on any phone or computer with a camera, with no scanners or special equipment.
MITHRA STAMPS IN DEPTH
Two kinds of card
- Loyalty: every visit adds a stamp toward the reward you set, from 3 to 20 stamps.
- Redeemable: prepaid credits by category (for example, drinks and food), deducted at each station. Ideal for events.
- The stamp can be an icon from the library or your business's logo.
A register with no special equipment
- The register uses the browser camera: no barcode scanner, nothing to install.
- Staff accounts: the register stamps and redeems, and only the people you authorize can top up credits.
- Every stamp, redemption, and top-up is logged in the history.
Your brand on your customer's phone
- You build the card yourself from your dashboard, with a live preview.
- Logo, colors, stamp, and reward: your card, not a generic template.
- The card updates itself in your customer's Wallet with every visit.
Your customers, in view
- Each customer signs up with their name and email: you know who comes back and how often.
- Customer list and activity history in your dashboard.
- Raffles among your registered customers: the winner is picked at random and every draw is logged.
Loyalty cards for any business people come back to.
From coffee shops to gyms in Costa Rica: if your customers visit more than once, a stamp card gives them a reason to come back, and gives you a way to know who does.
Desserts and drinks
Today's real case: Mr. Bing, a bingsu shop in Curridabat, uses Mithra Stamps to reward its regulars.
Coffee shops
The everyday coffee earns stamps toward one on the house, with no paper cards to lose or get wet.
Restaurants and local diners
The weekly lunch becomes a habit: every visit counts, and you set the reward.
Bakeries and pastry shops
Small, frequent purchases: exactly the kind of customer a stamp card helps you keep.
Events with prepaid consumption
With the redeemable card, each guest gets credits for drinks and food, and each station deducts them from the Wallet.
Salons, barbershops, and services
The tenth visit at a discount, tracked on the customer's phone instead of a paper card.
One card, many ways to use it.
Short clips of Mithra Stamps in different businesses and situations. The videos are in Spanish, with English subtitles in the player (CC).
Loyalty card
Stamps your customers carry in their Wallet.
You design the card (how many stamps and what reward), your customer saves it to Apple Wallet or Google Wallet with a QR code, and the register stamps it with the camera in one tap. Once it’s complete, they come back for their reward.
Ideal for: coffee shops, restaurants, and local diners
Redeemable card
Credits by category, redeemed in one tap.
Each card comes with its credits (for example 3 drinks, 2 meals, and 1 dessert). At the register, one is used with a single tap and the customer’s Wallet updates itself. Paid in advance? A manager tops up their credits right there.
Ideal for: events, fairs, and prepaid packages
For gyms and studios
Every class adds a stamp. Class 11 is on the house.
You set up a 10-class card with its reward. Your members carry it in their Wallet and, on iPhone, the card may appear on the lock screen when they arrive. At the front desk, each class is stamped with the camera, and once it’s complete, the reward class is redeemed in one tap.
Ideal for: gyms and studios that sell classes or sessions
What people usually ask about Mithra Stamps.
Do your customers have to download an app?
No. The card is saved as a pass in Apple Wallet (iPhone) or Google Wallet (Android): your customer scans a QR code, enters their name and email, and adds it without downloading another app. After that, it updates itself on their phone with every visit.
What kind of business is it for?
Any business people come back to: coffee shops, restaurants and local diners, bakeries, salons and barbershops, and gyms or studios that sell classes, where every class adds a stamp and class 11 is on the house. For events there's the redeemable card, with prepaid credits by category. Mr. Bing, a bingsu shop in Curridabat, uses it today.
Do I need a scanner or special equipment at the register?
No. The register runs in the browser of any phone or computer with a camera: it scans the card's code and adds the stamp in one tap. You create accounts for your staff, only the people you authorize can top up credits, and every stamp, redemption, and top-up is recorded in the history.
How is it different from a paper card?
A paper card gets lost, gets wet, or stays at home, and it doesn't tell you who comes back. A Mithra Stamps card lives on your customer's phone, updates itself with every visit, and gives you the list of signed-up customers and the history of every stamp, without making anyone download an app.
How much does it cost?
There's no published catalog price: it depends on what your business needs. In a short call we'll show you a card working on your own phone and tell you what it would cost.
Tell us how you reward your customers today.
In a short call we'll show you a card working on your own phone and help you build yours.