# JhongCalc

> Japanese Mahjong score display, calculator, and score sheet manager. (iPhone/iPad app by STUDIO-KURA.)

- Source: https://appshunter.io/ios/app/jhongcalc/id1067494143 (this page in markdown: same URL + `.md`)
- Developer: [STUDIO-KURA](https://appshunter.io/developer/289946976)
- Category: Utilities, Games, Board
- Price: Free with in-app purchases
- Rating: 1.00/5 from 1 App Store ratings · 21 written reviews indexed
- Age rating: +4
- Requires: iOS 15.0 · 10 MB
- Languages: American English, Japanese
- Released: 2015-12-19
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/jhongcalc/id1067494143/reviews.md

## What is JhongCalc?

JhongCalc is a utility app for Japanese style MahJong game. It works as Score Display, Score Calculator and Score Sheet Manager.
Put your iPad on the center of table and launch this app. You will be able to enjoy more comfortable Mahjong experience.

Main Features
• Score Display: JhongCalc shows not only the current score but also your rank and the difference from the top player. By grasping other player's scores, you will be able to play more strategic games.
· Score Calculator: When someone wins, all you need to do is inputting the winning score. Other complicated calculation is processed automatically. In addition, you can chose input method from three ways: Direct, Constant and Wizard.
・Voice Guidance: At the start of each hands, voice guidance function announces the round number.
・Score Board: JhongCalc records all score of games and show you them. You can sort score sheets by total score, average score, winning rate or other element.
· Customizability of rules: You can customize rules (starting score, winners' bonus etc.) as you like.
· Export Score Sheet: You can export score sheetss in CSV format. You can view and share them with other spreadsheet apps. (Using this feature requires to purchase an Unlock limitation item.)

*This app is free to use, but the functionality is limited to a maximum of four Mahjong players. In addition, advertisements are displayed when starting a game or saving game results. If you wish to continue using the app, please purchase a paid item to remove the restrictions. For details, please check the in-app store.

## Key features

- Score display with rank and score difference
- Automatic score calculation
- Multiple input methods for scores
- Voice guidance for rounds
- Record and sort score sheets
- Customizable game rules
- Export score sheets in CSV format

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock Limitations | $7.99 | one-time |


## Recent user reviews (10 of 21)

All indexed reviews: https://appshunter.io/ios/app/jhongcalc/id1067494143/reviews.md

### 3/5 — ※バグの修正求めます

*2024-04-15*

とても使いやすく重宝してるのですが、一度アプリを落として開くと、全期間の集計スコアがめちゃくちゃになってしまいます。全員プラス状態。
こちらのバグさえなければ神アプリです。

### 5/5 — 家族麻雀にマスト

*2023-07-31*

家族麻雀の場合、回転を気にしなくていいのでじっくり箱下ありでリーチも出来るルールでやりたいものですが、完全に対応しています。
点棒のやり取りも無くせて、手積みで少しでも時間を短縮したいと思えばとても良いものです。
アモスコンパスに滑り止めをつけて、その上にスマホを置くというやり方がおすすめです。

### 4/5 — 頭ハネしかないのが残念

*2023-05-08*

ダブロンの時に頭ハネしか設定がなくて私の和了が無効になりました。なので星1です。
というのは冗談で便利です。先に述べた通りもう少しルール設定ができれば嬉しいですね。
CMが途中入りますが賽振ってから牌を積めばそれほど気になりません。今後の期待を込めて星4で。

### 1/5 — Offensive Ads

*2023-05-01*

App creator needs to vet their ad sources better. Ad content was deeply offensive, deleted immediately.

### 5/5 — とても使い勝手が良いです

*2023-03-09*

対局中の点計算や点差の把握だけでなく、対局成績の保存ができる点がとても気に入っています。

おもに家族麻雀で使用しているのですが、半荘戦が終わらなかった場合に、中断データの保存と再開ができるとありがたいです。
また、課金をファミリー共有できるとありがたいです。

### 4/5 — 使いやすい

*2023-03-05*

機能はとてもいいんですが欲を言えば自分との点差が一位以外も見えるボタンなどを追加していただけると嬉しいですね

### 4/5 — 仲間内のデータ集計にも最高

*2023-02-04*

使用感はとても良いです。
ただし下記の点注意
・ダブロン、トリロンに対応していない
→手動入力でも可能だが和了率、放銃率に影響あり
・積棒点数が設定できない (ツモ100オール、ロン300のみしかなく、ツ300オール、ロン1000に設定変更不可)
→こちらも手動点数入力で対応可能だが脳内で点数計算する必要あり

改善していただけるととても助かります。

### 3/5 — 流局ボタンが画面から消えてしまう

*2022-05-16*

対局中に流局ボタンが画面から消えてしまい、流局になった時に困る。修正してほしい

### 4/5 — とても使いやすいです！

*2021-01-04*

正月の麻雀で利用させていただきましたが、点数状況を常に確認できて非常に重宝しました。また、供託や本場を忘れることがなくなり点数計算のミスが減ってとても良かったです！
あとは1000点以下の時にリーチできるかどうかや、トビ終了した時に試合を終了させることができるようにしていただけたらもっと使いやすいです！

### 4/5 — 自動卓でも便利

*2020-06-26*

点数表示の無い自動卓で使用してますが、非常に使いやすくUIも洗練されてます。類似のアプリも試しましたがコレが一番でした。
あとはサイコロの演出カットが選べたり、ヘッダーを削減して点数表示をより大きくしてくれたらサイコーです。
あと、点のやり取りをチャリリリーっと演出的にしてくれると盛り上がれて嬉しい。。

## Frequently asked questions about JhongCalc

### What is JhongCalc?

JhongCalc is a utility app designed for Japanese style Mahjong. It functions as a score display, score calculator, and score sheet manager to improve the Mahjong playing experience.

### Does JhongCalc have ads?

Yes, JhongCalc displays advertisements when starting a game or saving game results. These ads are part of the free version of the app.

### How can I remove ads and limitations in JhongCalc?

To remove advertisements and unlock the full functionality, including support for more than four players, you can purchase a paid item from the in-app store. This is a one-time purchase to remove restrictions.

### What devices does JhongCalc support?

JhongCalc is compatible with iPhones, iPads, and iPods, making it accessible on various Apple mobile devices.

### Can I customize the rules in JhongCalc?

Yes, JhongCalc allows you to customize various game rules, such as the starting score and winners' bonuses, to match your preferred Mahjong variations.

### Can I export my score sheets from JhongCalc?

Yes, you can export your score sheets in CSV format. This feature requires purchasing an unlock item and allows you to view and share your game data with other spreadsheet applications.

### What is the age rating for JhongCalc?

JhongCalc has an age rating of 4+, making it suitable for a wide range of users.

### How often is JhongCalc updated?

The latest version of JhongCalc is 2.7.2, which was last updated on February 1, 2026. This indicates a history of updates, though the exact frequency is not specified.

## Version history (last 5 releases)

### 2.7.2 — 2026-02-01

- Minor bug fixes.

### 2.7.1 — 2025-08-20

- An error message will now be displayed if an error occurs when purchasing a paid item.
- Minor bugs have been fixed.

### 2.7.0 — 2024-12-30

- Add a new feature to export the score sheet in CSV format. You can use the match results in other spreadsheet apps, etc. (You needs to purchase an item to unlock limitation) 
- Minor bug fixes.

### 2.6.0 — 2023-12-27

- You can now adjust the payment amount at the end of each hand . You can do it from the menu at the top right of the payment scene.
- compatible with GDPR in the EEA region.
- bug fix.

### 2.5.0 — 2022-10-20

- now Riichi is allowed even if  score is under 1000.
- bug fix

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All apps by STUDIO-KURA: https://appshunter.io/developer/289946976

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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 2026-08-29.*