# JongBook vs G収支

The clearest difference is in-app purchases: G収支 at none against JongBook's 2. JongBook's advantage is update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JongBook sells 2 in-app purchases, starting at $6.49 per month. G収支 asks for nothing beyond the download.

JongBook ships an update weekly, G収支 every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JongBook | G収支 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 10 MB |
| Requires iOS | **17.4** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [ryo yoshitsugu](https://appshunter.io/developer/1614987662) | [RYOYA GOJO](https://appshunter.io/developer/1868880653) |

## What reviewers say

### JongBook

[App page](https://appshunter.io/ios/app/jongbook-mahjong-score-sheet/id6572305406)

Effortlessly track Riichi mahjong scores and player statistics. This app eliminates the need for paper and calculators, automatically calculating net results and offering detailed insights into game history and player performance. Manage groups, share results, and enjoy deeper analysis with optional Pro features.

**Highlights:** Automatic score calculation, Supports 3 and 4-player mahjong, Player group management, Shareable score sheets, Detailed player statistics, Export results as image

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JongBook Pro (Monthly) | $6.49 | per month |
| JongBook Pro (Yearly) | $50.99 | per year |


### G収支

[App page](https://appshunter.io/ios/app/g/id6758150185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JongBook free?

JongBook is free to download, with in-app purchases available.

### Is G収支 free?

G収支 is free to download, with no in-app purchases.

### Do JongBook or G収支 have ads?

Both JongBook and G収支 show ads.

### Which is updated more often, JongBook or G収支?

JongBook ships an update weekly, and G収支 every 2 weeks. Most recently, JongBook was updated on November 5, 2026 and G収支 on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*