Scan your hand. See what you're building.
MahjCheck™ identifies your American mahjong tiles from a photo and shows you if you have mahjong! Check against your official card.
5% of MahjCheck™ profits donated to Cure Alzheimer's Fund | Supporting research for prevention and treatment.
Your new favorite practice partner.
Built by an American mahjong player, for American mahjong players.
Snap and scan
Point your phone at your tiles. MahjCheck™ reads your hand in seconds, no typing, no tapping through menus.
2025 and 2026 cards
Check your hand against both current cards.
Switch between them anytime.
See your closest hands
MahjCheck™ shows you which hands you're building toward, so you can spot opportunities you might have missed.
Practice anywhere
Sharpen your hand-recognition between games. Perfect for new players learning the cards and veterans trying new strategies.
See it in action.
Clean, quick and designed for the table — not buried under menus.
Made for every kind of player.
New players.
Learn the cards without the overwhelm.
Experienced players.
Practicing new strategies and spotting hands faster.
Mahjong groups and clubs.
A shared tool everyone can use.
Anyone who loves the game.
And wants to play with more confidence.
A Celebrate Everything Product.
Made by players, for players.
MahjCheck™ is made by Celebrate Everything, a small business built around the things worth celebrating — every hand, every win, every game around the table.
SUPPORT / CONTACT
We're here.
Whether you've found a bug, have a feature idea, or just want to say hi — we'd love to hear from you.