# Brain Test ~Activate~ vs Birdie's adventure 飛鳥歷奇

The clearest difference is ads: Birdie's adventure 飛鳥歷奇 at none against Brain Test ~Activate~'s shown. Brain Test ~Activate~'s advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (12.0 vs 14.0). 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.

Brain Test ~Activate~ ships an update every 2 weeks, Birdie's adventure 飛鳥歷奇 every 4 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Brain Test ~Activate~ | Birdie's adventure 飛鳥歷奇 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 133 MB | 121 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [chiyo toyoshima](https://appshunter.io/developer/1707114649) | [The University of Hong Kong](https://appshunter.io/developer/451384643) |

## What reviewers say

### Brain Test ~Activate~

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

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

**In-app purchases:** none


### Birdie's adventure 飛鳥歷奇

[App page](https://appshunter.io/ios/app/birdies-adventure/id6746148307)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Test ~Activate~ free?

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

### Is Birdie's adventure 飛鳥歷奇 free?

Birdie's adventure 飛鳥歷奇 is free to download, with no in-app purchases.

### Do Brain Test ~Activate~ or Birdie's adventure 飛鳥歷奇 have ads?

Brain Test ~Activate~ shows ads; Birdie's adventure 飛鳥歷奇 does not.

### Which is updated more often, Brain Test ~Activate~ or Birdie's adventure 飛鳥歷奇?

Brain Test ~Activate~ ships an update every 2 weeks, and Birdie's adventure 飛鳥歷奇 every 4 months. Most recently, Brain Test ~Activate~ was updated on October 11, 2026 and Birdie's adventure 飛鳥歷奇 on October 16, 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.*