Try it
The counter screen, running right here
This is the screen your staff would use, not a picture of it. Type any number and press the button. Do it again with the same number and the card fills up; fill it and the reward lands.
Nothing you type is sent anywhere, saved anywhere, or kept when you close this tab. There is no account and no shop behind this page.
Blue Door Coffee
Collect stamps for a free coffee
Enter your number to collect today's stamp. 10 stamps get you 1 free coffee.
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Nothing is stamped and nothing is stored. This screen is doing the arithmetic in your browser, and forgets it when you close the tab.
Blue Door Coffee is invented, and so is every number you type. In a real shop the card is the customer's, it follows their phone number, and they can open it on their own phone without installing anything.
What happens next
Everything below is an example for a made-up shop, Blue Door Coffee.
A Google review request
After a visit, KANJIN asks that customer for a Google review. Up to 20 a month, free.
Subject: How was your visit to Blue Door Coffee?
Example“You are almost there!”
At 8 of 10 stamps, the customer hears how close they are. (on the paid plan)
Subject: Almost there: 2 stamps left at Blue Door Coffee
ExampleA note to a regular who stopped coming
KANJIN notices when a regular has not been in for a while and sends a friendly note. (on the paid plan)
Subject: We have missed you at Blue Door Coffee
ExampleA slow-day email
On a quiet day, one tap sends a short email to your regulars. (on the paid plan)
Subject: Rain tomorrow. Come and see us at Blue Door Coffee
ExampleA local creator worth asking
KANJIN finds creators near you and drafts the message. (on the paid plan)
@mira.eats · 4,800 followers · 1.2 km away
Example
Take payments with Square? Customers get stamped when they pay, with nobody typing anything.
Put your stamp card on the counter this week
A discount cuts the price for everyone who would have paid anyway. KANJIN emails your regulars only on the days you need them, and finds local creators you can invite.