Apps
Thoughtfully designed tools for iPhone, iPad, and Mac
Mahjong Metrics
Now on App Store
Android Beta · Free Premium in Beta
The live scorekeeper and stat tracker built for American Mahjong. Connect your table in seconds, let Smart Log calculate payouts with zero midnight arithmetic, set purse limits, and see who's on a streak in real time.
- ✓ Smart Log payouts — calculates payouts, jokerless doubles & wall pots
- ✓ Instant QR table join — real-time sync across up to 8 phones
- ✓ Purse limits & PIE tracking — caps payouts so no one overspends
- ✓ 2-Player Siamese Mahjong & exact visual tile builder
- ✓ No ads. No sounds. iPhone + iPad. (Android beta opening now).
Landing Page · Features & Plans · Privacy Policy · Terms of Use
This week
+$24.50
12
Wins
8
Losses
60%
Win rate
3
Sessions
Top hand
All Flowers
4 wins
Rack Star
iOS & Web · Coming SoonMaster American Mahjong skills with bite-sized, 1 to 5 minute interactive drills. Build lightning-fast tile recognition, decode card lines, evaluate dealt hands, and navigate the Charleston with table-winning confidence.
- ✓ Built for NMJL card players
- ✓ 4 Skill Tracks: Read Tiles, Read Card, Pick a Hand, Charleston Simulator
- ✓ Chinese numeral trainer (一 to 九) with spaced repetition
- ✓ Charleston engine with AI opponents and pass analysis
- ✓ No ads. No sounds. Deliberate table practice.
Track 4 · Charleston Simulator
First Pass Right
71%
Hand fit (+14%)
3 Away
From Mahjong
Optimal
Passing Engine
Headliner
AI Opponents
Target card line
13579 — Line 3A
🌟 Certified Platinum