# Flash Brain Training Game vs シンプルFLASH暗算

The clearest difference is update cadence: シンプルFLASH暗算 at fortnightly against Flash Brain Training Game's every 2 months. シンプルFLASH暗算 also leads on iOS requirement (15.6 vs 18.0). On price, ads, 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 Brain Training Game ships an update every 2 months, シンプルFLASH暗算 fortnightly. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Flash Brain Training Game | シンプルFLASH暗算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 5 MB | 4 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Toru Shinnae](https://appshunter.io/developer/1441534402) | [TSUKASA YONAHA](https://appshunter.io/developer/1835823966) |

## What reviewers say

### Flash Brain Training Game

[App page](https://appshunter.io/ios/app/flash-brain-training-game/id1441534403)

**Features:** macOS Compatibility

**In-app purchases:** none


### シンプルFLASH暗算

[App page](https://appshunter.io/ios/app/flash/id6751562239)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Brain Training Game free?

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

### Is シンプルFLASH暗算 free?

シンプルFLASH暗算 is free to download, with no in-app purchases.

### Do Flash Brain Training Game or シンプルFLASH暗算 have ads?

Both Flash Brain Training Game and シンプルFLASH暗算 show ads.

### Which is updated more often, Flash Brain Training Game or シンプルFLASH暗算?

Flash Brain Training Game ships an update every 2 months, and シンプルFLASH暗算 fortnightly. Most recently, Flash Brain Training Game was updated on September 27, 2026 and シンプルFLASH暗算 on October 1, 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.*