# Flash vs 魔法助教

The clearest difference is ads: 魔法助教 at none against Flash's shown. 魔法助教 also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Flash ships an update every 3 months, 魔法助教 every 9 days. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Flash | 魔法助教 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 29 MB | 188 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [yeeun seo](https://appshunter.io/developer/1634215603) | [Xiamen Shangwo Education Industry Service Co., Ltd.](https://appshunter.io/developer/1035198989) |

## What reviewers say

### Flash

[App page](https://appshunter.io/ios/app/flash-mental-math/id1634215601)

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

**In-app purchases:** none


### 魔法助教

[App page](https://appshunter.io/ios/app/id6482990080)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash free?

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

### Is 魔法助教 free?

魔法助教 is free to download, with no in-app purchases.

### Do Flash or 魔法助教 have ads?

Flash shows ads; 魔法助教 does not.

### Which is updated more often, Flash or 魔法助教?

Flash ships an update every 3 months, and 魔法助教 every 9 days. Most recently, Flash was updated on October 5, 2026 and 魔法助教 on October 12, 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.*