# 10パターン×1,000問 瞬間英作文 vs いつでも英語脳

The clearest difference is price: 10パターン×1,000問 瞬間英作文 at Free against いつでも英語脳's $2.99. 10パターン×1,000問 瞬間英作文 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). いつでも英語脳's advantage is update cadence (every 6 weeks vs every 6 months). On ads and in-app purchases there is nothing between them.

10パターン×1,000問 瞬間英作文 is free to download; いつでも英語脳 costs $2.99 up front. 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, いつでも英語脳 every 6 weeks. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 10パターン×1,000問 瞬間英作文 | いつでも英語脳 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Size | 23 MB | 8 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keigo Kaida](https://appshunter.io/developer/1805594031) | [Yodai Kadokawa](https://appshunter.io/developer/6798598113) |

## 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


### いつでも英語脳

[App page](https://appshunter.io/ios/app/id6798598111)

**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 いつでも英語脳 free?

いつでも英語脳 costs $2.99, with no in-app purchases.

### Do 10パターン×1,000問 瞬間英作文 or いつでも英語脳 have ads?

Neither 10パターン×1,000問 瞬間英作文 nor いつでも英語脳 shows ads.

### Which is updated more often, 10パターン×1,000問 瞬間英作文 or いつでも英語脳?

10パターン×1,000問 瞬間英作文 ships an update every 6 months, and いつでも英語脳 every 6 weeks. Most recently, 10パターン×1,000問 瞬間英作文 was updated on October 30, 2026 and いつでも英語脳 on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*