Scan a plastic card once — show a crisp barcode at every checkout. Works offline, syncs between devices, and never forgets a discount.
The camera reads any barcode or QR in a second — card covers are cropped automatically.
A bright, scanner-ready code on screen. Works without internet.
Kodnyk recommends the cards you use near your current location — in the app and on the widget.
Barcode or QR — from the camera, a photo, or typed by hand. The card cover is auto-cropped like a document.
Cards live on your device and render on-screen with no network. The queue at the checkout won't wait.
Kodnyk remembers where you use each card and recommends the right one when you're back in the store.
Synced securely, protected by per-user rules. Export everything as JSON or erase your account in one tap.
Your cards right on the iPhone home screen — nearby ones first, favourites next. Flip through and scan without opening the app.
Star the cards you use most and drag the grid into your own order — just like home-screen icons.