# もじつなぐ vs Brain Test ~Activate~

The clearest difference is iOS requirement: Brain Test ~Activate~ at 12.0 against もじつなぐ's 15.5. On price, update cadence, ads 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.

もじつなぐ ships an update every 3 weeks, Brain Test ~Activate~ every 2 weeks. The most recent releases landed on September 19, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | もじつなぐ | Brain Test ~Activate~ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 4 MB | 133 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [chiyo toyoshima](https://appshunter.io/developer/1707114649) |

## What reviewers say

### もじつなぐ

[App page](https://appshunter.io/ios/app/id1630835450)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brain Test ~Activate~

[App page](https://appshunter.io/ios/app/brain-test-activate/id6474924305)

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

**In-app purchases:** none


## Frequently asked questions

### Is もじつなぐ free?

もじつなぐ is free to download, with no in-app purchases.

### Is Brain Test ~Activate~ free?

Brain Test ~Activate~ is free to download, with no in-app purchases.

### Do もじつなぐ or Brain Test ~Activate~ have ads?

Both もじつなぐ and Brain Test ~Activate~ show ads.

### Which is updated more often, もじつなぐ or Brain Test ~Activate~?

もじつなぐ ships an update every 3 weeks, and Brain Test ~Activate~ every 2 weeks. Most recently, もじつなぐ was updated on September 19, 2026 and Brain Test ~Activate~ on August 24, 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.*