Mahjong Compass — American Mahjong Tile & Hand Analyzer
You've been dealt 13 tiles. Compass tells you which direction on the card is actually worth chasing — and why.
Your first Compass Session is free — no card, no account.
Your rack is leaning toward
Consecutive Run
Top hand: #4 · 8 of 13 tiles working
- Pair already complete
- Strong Joker flexibility
- 3 good fallback hands
From 13 tiles to a direction.
- Step 1
Build your rack
Tap in your starting tiles or use a random deal.
- Step 2
Find your direction
Compass evaluates your viable sections and hands.
- Step 3
Play with a plan
See what to keep alive, what may be safe to pass, and where you can pivot.
More than “how many tiles match.”
Probability, not just proximity
A hand with more matching tiles isn't always the hand you're most likely to complete.
Understand the Charleston
See which section your rack favors before you commit too early.
Know your pivot room
See whether your rack has multiple strong paths or depends on one narrow hand.
See why
Understand what makes one direction stronger than another.
Simple access
See full pricingTry It Free
1 complete Compass Session
- Build your rack
- Full Section Analysis
- Charleston guidance
- Full Hand Analysis
- Compare alternatives
- Experience the complete Compass flow
Mahj Night
24 hours of unlimited access
Perfect for game night.
- Unlimited racks for 24 hours
- Full Section Analysis
- Charleston recommendations
- Full Hand Analysis
- Comparisons
- AI explanations
- Scan support when available
Compass+
Unlimited for a full year
One-time payment — no auto-renew. Or subscribe for $14.99/year and cancel anytime.
- Everything in Mahj Night
- Unlimited Compass Sessions for 365 days
- Use Compass whenever you play
- Supported new card updates included
- Future premium analysis features
Common questions
Card: 2026 · Designed to be used alongside your official National Mah Jongg League card. Not affiliated with or endorsed by the National Mah Jongg League.