# Brain Flipper vs 簿記３級ひたれん

The clearest difference is in-app purchases: Brain Flipper at none against 簿記３級ひたれん's 2. Brain Flipper also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 簿記３級ひたれん sells 2 in-app purchases, starting at $1.99 per month. Brain Flipper asks for nothing beyond the download.

Brain Flipper ships an update every 3 days, 簿記３級ひたれん weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Brain Flipper | 簿記３級ひたれん |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 3 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Ishiwata](https://appshunter.io/developer/1876108945) | [SYSTEM TAMAYA](https://appshunter.io/developer/1847130603) |

## What reviewers say

### Brain Flipper

[App page](https://appshunter.io/ios/app/brain-flipper/id6758971094)

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

**In-app purchases:** none


### 簿記３級ひたれん

[App page](https://appshunter.io/ios/app/id6794754107)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $1.99 | per month |
| 広告削除・回数無制限 | $3.99 | one-time |


## Frequently asked questions

### Is Brain Flipper free?

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

### Is 簿記３級ひたれん free?

簿記３級ひたれん is free to download, with in-app purchases available.

### Do Brain Flipper or 簿記３級ひたれん have ads?

簿記３級ひたれん shows ads; Brain Flipper does not.

### Which is updated more often, Brain Flipper or 簿記３級ひたれん?

Brain Flipper ships an update every 3 days, and 簿記３級ひたれん weekly. Most recently, Brain Flipper was updated on October 31, 2026 and 簿記３級ひたれん on October 31, 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.*