Longer gaps between visits
A reminder when they go quiet is more useful than another SMS blast with a 20% code.
Salons
Ten cuts, one complimentary. Or a stamp per treatment. Clients show the phone at the chair — not a crumpled card from last monsoon.

Why paper fails here
Stampzo keeps the same offer. It just lives on the phone the customer already has out.
A reminder when they go quiet is more useful than another SMS blast with a 20% code.
A visible stamp bar is a reason to book the next slot before they leave the chair.
Scan on any phone. Laptop can stay in the back. Name check takes two seconds.

Example program
One sentence on the poster. Staff say the same line. Scanner shows when it is time to give the free item.
Staff lines
Short. Same order every visit. Full walkthrough is on the For staff page.
Join
Scan this once. Your visits live on the phone.
Stamp
Open the card. We scan this QR.
Check
Name matches. One stamp for today.
Reward
Card is full — this visit is on us.
Shop-floor rules
Do
Don't
After the stamp, ask if they want the next slot. The card is the nudge, not the whole close.
Keep one program. Mixing two stamp counts at the desk creates arguments.
The name on screen is the client, not the staff. Confirm it before you stamp.
First program is free. Most shops are scanning the same afternoon.
No credit card · First program free