# Brain Flipper vs Kanbun Reading Puzzle

The clearest difference is in-app purchases: Brain Flipper at none against Kanbun Reading Puzzle's 1. Brain Flipper also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Kanbun Reading Puzzle sells 1 one-off in-app purchase. Brain Flipper asks for nothing beyond the download.

Brain Flipper ships an update every 3 days, Kanbun Reading Puzzle every 5 days. The most recent releases landed on October 15, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Brain Flipper | Kanbun Reading Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 3 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Ishiwata](https://appshunter.io/developer/1876108945) | [Mikoto Gateway](https://appshunter.io/developer/6795057863) |

## 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


### Kanbun Reading Puzzle

[App page](https://appshunter.io/ios/app/kanbun-reading-puzzle/id6797765036)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（買い切り） | $1.99 | one-time |


## Frequently asked questions

### Is Brain Flipper free?

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

### Is Kanbun Reading Puzzle free?

Kanbun Reading Puzzle is free to download, with in-app purchases available.

### Do Brain Flipper or Kanbun Reading Puzzle have ads?

Kanbun Reading Puzzle shows ads; Brain Flipper does not.

### Which is updated more often, Brain Flipper or Kanbun Reading Puzzle?

Brain Flipper ships an update every 3 days, and Kanbun Reading Puzzle every 5 days. Most recently, Brain Flipper was updated on October 15, 2026 and Kanbun Reading Puzzle on October 29, 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.*