# JongKey vs 麻雀計分器 (mjcal)

The clearest difference is ads: 麻雀計分器 (mjcal) at none against JongKey's shown. 麻雀計分器 (mjcal) also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | JongKey | 麻雀計分器 (mjcal) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Daily | Daily |
| Size | 6 MB | 68 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [Fishball Ltd](https://appshunter.io/developer/1803454505) |

## What reviewers say

### JongKey

[App page](https://appshunter.io/ios/app/jongkey-mahjong-keyboard/id6748846911)

**Features:** macOS Compatibility

**In-app purchases:** none


### 麻雀計分器 (mjcal)

[App page](https://appshunter.io/ios/app/mjcal/id6771811874)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JongKey free?

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

### Is 麻雀計分器 (mjcal) free?

麻雀計分器 (mjcal) is free to download, with no in-app purchases.

### Do JongKey or 麻雀計分器 (mjcal) have ads?

JongKey shows ads; 麻雀計分器 (mjcal) does not.

### Which is updated more often, JongKey or 麻雀計分器 (mjcal)?

JongKey ships an update daily, and 麻雀計分器 (mjcal) daily. Most recently, JongKey was updated on October 11, 2026 and 麻雀計分器 (mjcal) on October 10, 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.*