# 10パターン×1,000問 瞬間英作文 vs Brain Flipper

The clearest difference is update cadence: Brain Flipper at every 3 days against 10パターン×1,000問 瞬間英作文's every 6 months. 10パターン×1,000問 瞬間英作文's advantage is iOS requirement (13.0 vs 15.0). 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.

10パターン×1,000問 瞬間英作文 ships an update every 6 months, Brain Flipper every 3 days. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 10パターン×1,000問 瞬間英作文 | Brain Flipper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Size | 23 MB | 3 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keigo Kaida](https://appshunter.io/developer/1805594031) | [Satoshi Ishiwata](https://appshunter.io/developer/1876108945) |

## What reviewers say

### 10パターン×1,000問 瞬間英作文

[App page](https://appshunter.io/ios/app/101000/id6744064525)

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

**In-app purchases:** none


### Brain Flipper

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 10パターン×1,000問 瞬間英作文 free?

10パターン×1,000問 瞬間英作文 is free to download, with no in-app purchases.

### Is Brain Flipper free?

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

### Do 10パターン×1,000問 瞬間英作文 or Brain Flipper have ads?

Neither 10パターン×1,000問 瞬間英作文 nor Brain Flipper shows ads.

### Which is updated more often, 10パターン×1,000問 瞬間英作文 or Brain Flipper?

10パターン×1,000問 瞬間英作文 ships an update every 6 months, and Brain Flipper every 3 days. Most recently, 10パターン×1,000問 瞬間英作文 was updated on October 7, 2026 and Brain Flipper on October 15, 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.*