Shanten Nmber
instantly know Shanten
$0.49 · Designed for iPad. Not verified for macOS.
This app instantly calculates your current shanten count from a 13-tile mahjong hand and shows all improvement tiles to help advance your hand.
Fully supports melded hands (Pon, Chi, Kan), making it ideal for both solo practice and study of complex real-game situations. Whether you're a beginner or a veteran, it's your go-to mahjong tool to sharpen your strategy.
・Key Features
Real-time shanten number calculation for 13-tile hands
Full support for melds: Chi, Pon, Kan (open and closed)
Automatically highlights effective tiles that reduce shanten
Clean and responsive tile interface with auto sort
Undo, reset, and meld removal functions for easy testing
・Ideal For:
Practicing mahjong hand-building
Beginners learning the basics of hand progression
Intermediate and advanced players studying yaku or defense
Preparing for Tenhou, Mahjong Soul, Riichi City, and more
Improve your hand-reading skills and take your mahjong game to the next level!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The calculation logic of the shanten number has been modified.
The developer, SHUNJI KUSAKA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SHUNJI KUSAKA
- Size
- 4 MB
- Category
- Board
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Kusaka Shunji
