01
Tap to scan
Open Sleeve and tap the camera. That's the whole setup.
Simplify
Scan. Evaluate. Done.
Point your phone at the code printed on a trading card. Sleeve reads it right through the sleeve and opens the card's page on Cardmarket in your own browser, prices and all.
Get on iPhone
Get on Android
Android coming soon
Scan to install on iPhoneAndroid is still in testing
For collectors,
by collectors.
How it works
Three simple steps
02
Scan the code
Hold it in the frame, even through the sleeve. Set codes, tiny print and, on older cards, the set symbol. Your phone does the reading.
03
View prices instantly
The card's page opens on Cardmarket in your own browser, with its prices and offers.
Make it yours
Two settings worth knowing
Pick your game or use Auto
Choose the game you're scanning, or switch on Auto and let Sleeve tell from the code.
Tweak your camera
Torch, lens and focus are one tap away, right on the viewfinder.
What Sleeve doesn't do
A focused tool, by design
No prices inside the app
Sleeve never fetches or shows anything from Cardmarket itself. The prices are on the page it opens, in your browser.
Card images stay on your phone
Your phone does the reading itself — no photo of your card is ever uploaded.
No account or sign-in
Nothing to register, nothing to profile.
No card database to download
Sleeve stays small and quick, and new sets are added without you doing anything.
Supported games
Works with the games you collect
Sleeve opens Cardmarket, the marketplace Europe buys and sells on, and the only one it opens. If you trade somewhere else, it has nothing to point you at.
Questions
The short answers
Which cards can Sleeve read?
One Piece Card Game, Riftbound and Pokémon. Sleeve reads the set code printed on the card: One Piece codes like EB03-046, Riftbound codes like OGN 300/256, and Pokémon codes from Scarlet & Violet on, like SVI EN 025/198. Older Pokémon cards print no set code, so Sleeve matches the set symbol beside the collector number instead. Older promo cards, and the earliest sets that carry no symbol at all, are the exception.
What leaves my phone?
Never a photo: your phone does the reading itself. Sleeve collects no analytics without your permission. If you allow it, it sends which card codes you look up, and when, and never card photos, your name or email, or any device or advertising id. You can change this at any time under Privacy in settings. A message you write with the feedback button is sent too, with a reply address only if you add one. The privacy policy has the details.
Does it work through sleeves and toploaders?
Yes. It reads the code through single sleeves, double sleeves and toploaders, so the card never has to come out. Glare and dim light can still get in the way: the torch is one tap away on the viewfinder, and you can always type a code instead.
Does Sleeve show prices?
No. Sleeve never fetches, stores or shows anything from Cardmarket. It opens a search page in your own browser, and the page loads in your own session, with the card's prices and offers on it. You pick the exact version there: a parallel, an alternate art or a language.
Where is Sleeve available?
In Europe only, because the only site Sleeve opens is Cardmarket. Cardmarket's pages can open in English, German, French, Italian or Spanish, whichever you choose in settings.
Is it on iPhone and Android?
Sleeve is on the App Store for iPhone now. The Android version is in testing on Google Play and coming soon.
The honest part
It's not always perfect — and that's okay.
It has read card after card at a real event — through single sleeves, double sleeves and toploaders, in whatever light the hall had — and it holds up well. Not perfectly, though. So you choose: let matches open straight away, or have Sleeve show you the code it read and wait for your go-ahead.