# Brain Block vs 鑑定サバイバル

The clearest difference is update cadence: 鑑定サバイバル at every 10 months against Brain Block's every 47 months. Brain Block's advantage is iOS requirement (11.0 vs 14.0). On price, review sentiment, 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.

Brain Block ships an update every 47 months, 鑑定サバイバル every 10 months. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Brain Block | 鑑定サバイバル |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **82.0% of reviews** | 80.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 47 months | **Every 10 months** |
| Size | 64 MB | 104 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Goodia Inc.](https://appshunter.io/developer/336757991) | [GlobalGear Co. Ltd.](https://appshunter.io/developer/670168140) |

## What reviewers say

### Brain Block

[App page](https://appshunter.io/ios/app/brain-block/id1088126570)

**Features:** macOS Compatibility

**In-app purchases:** none


### 鑑定サバイバル

[App page](https://appshunter.io/ios/app/id1349191905)

**In-app purchases:** none


## Frequently asked questions

### Is Brain Block free?

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

### Is 鑑定サバイバル free?

鑑定サバイバル is free to download, with no in-app purchases.

### Do Brain Block or 鑑定サバイバル have ads?

Both Brain Block and 鑑定サバイバル show ads.

### Which is updated more often, Brain Block or 鑑定サバイバル?

Brain Block ships an update every 47 months, and 鑑定サバイバル every 10 months. Most recently, Brain Block was updated on October 29, 2026 and 鑑定サバイバル on October 19, 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.*