For

Replace paper stamp cards

Same buy-10-get-1 mechanic your regulars already understand. New delivery: a Zalo miniapp or web wallet that auto-stamps at checkout and feeds your AI.

Start free — keep your stamp mechanic →

Symptoms you're seeing

01.You print stamp cards. Customers lose them. Staff re-issue. Cycle repeats.
02.You have no idea who collected 8 stamps and is one visit from a redemption.
03.Gen-Z customers don't carry paper — they ignore the card.
04.Promotions can't be targeted — you write 'buy 10 get 1' on the wall and hope.

Root cause

Paper stamp cards solve the loyalty mechanic but throw away the data. Without data you can't see which customers are close to a redemption, who's drifting, or which campaigns work.

How PEKO fixes it

1.Issue a digital wallet in one tap
Customers scan a QR at the counter; the wallet opens inside Zalo or as a PWA — no app install. Stamps appear in real time.
2.Auto-stamp at checkout
Connected to your POS, stamps issue automatically when the qualifying item is rung up. Staff don't carry a stamp.
3.Nudge before the redemption
When a customer is one stamp from a free drink, PEKO sends a personalised reminder via Zalo — the highest-converting message in F&B retention.

What you get

Same loyalty mechanic your customers recognise, plus every stamp becomes an enrichment event the AI uses to predict churn and personalise win-back.

Common questions

Do customers need to install an app?

No. The wallet runs inside Zalo (Vietnam) or as a web PWA elsewhere. Zero install friction.

Can I keep my paper cards during transition?

Yes. Run both in parallel for 4 weeks; PEKO accepts stamp-card serial numbers as migration credit.

What if the customer changes phones?

Wallet is tied to phone number / Zalo ID, not the device. They open Zalo on the new phone and the wallet's still there.

See the full product spec: /product · Related vertical