# Shanten Nmber — instantly know Shanten

> instantly know Shanten (iPhone/iPad app by SHUNJI KUSAKA.)

- Source: https://appshunter.io/ios/app/shanten-nmber/id6746236924 (this page in markdown: same URL + `.md`)
- Developer: [SHUNJI KUSAKA](https://appshunter.io/developer/1738810004)
- Category: Games, Board, Strategy
- Price: $0.49
- Age rating: 4+
- Requires: iOS 26.0 · 4 MB
- Languages: American English
- Released: 2025-05-22
- Data updated: 2026-08-02
- User reviews in markdown: https://appshunter.io/ios/app/shanten-nmber/id6746236924/reviews.md

## What is Shanten Nmber?

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!


## Version history (last 2 releases)

### 1.2.0 — 2026-08-01

The calculation logic of the shanten number has been modified.

### 1.0.0 — 2025-05-23

No release notes.

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All apps by SHUNJI KUSAKA: https://appshunter.io/developer/1738810004

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-02.*