# M助手 vs JongKey

The clearest difference is ads: M助手 at none against JongKey's shown. M助手 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). JongKey's advantage is update cadence (daily vs every 5 days). On price 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.

M助手 ships an update every 5 days, JongKey daily. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | M助手 | JongKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Daily** |
| Size | 4 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [心逸 沈](https://appshunter.io/developer/1689875556) | [Yuki Takeda](https://appshunter.io/developer/1021096508) |

## What reviewers say

### M助手

[App page](https://appshunter.io/ios/app/m/id6462629324)

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

**In-app purchases:** none


### JongKey

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is M助手 free?

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

### Is JongKey free?

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

### Do M助手 or JongKey have ads?

JongKey shows ads; M助手 does not.

### Which is updated more often, M助手 or JongKey?

M助手 ships an update every 5 days, and JongKey daily. Most recently, M助手 was updated on October 7, 2026 and JongKey on October 11, 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.*