# MJscore vs いつでも英語脳

The clearest difference is price: MJscore at Free against いつでも英語脳's $2.99. いつでも英語脳's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

MJscore 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.

MJscore ships an update every 3 weeks, いつでも英語脳 every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | MJscore | いつでも英語脳 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 22 MB | 8 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [koyo kuze](https://appshunter.io/developer/1862339457) | [Yodai Kadokawa](https://appshunter.io/developer/6798598113) |

## What reviewers say

### MJscore

[App page](https://appshunter.io/ios/app/mjscore/id6757116718)

**Features:** macOS Compatibility

**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 MJscore free?

MJscore 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 MJscore or いつでも英語脳 have ads?

MJscore shows ads; いつでも英語脳 does not.

### Which is updated more often, MJscore or いつでも英語脳?

MJscore ships an update every 3 weeks, and いつでも英語脳 every 6 weeks. Most recently, MJscore was updated on October 31, 2026 and いつでも英語脳 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.*