# 脳トレ！神経衰弱・四字熟語 vs Coro.

The clearest difference is ads: 脳トレ！神経衰弱・四字熟語 at none against Coro.'s shown. 脳トレ！神経衰弱・四字熟語 also leads on iOS requirement (8.0 vs 12.0). Coro.'s advantage is update cadence (every 3 weeks vs every 2 months). On price, 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.

脳トレ！神経衰弱・四字熟語 ships an update every 2 months, Coro. every 3 weeks. The most recent releases landed on September 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 脳トレ！神経衰弱・四字熟語 | Coro. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 6 MB | 8 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Topleftsoft LLC](https://appshunter.io/developer/452754001) | [uto toshiki](https://appshunter.io/developer/876927513) |

## What reviewers say

### 脳トレ！神経衰弱・四字熟語

[App page](https://appshunter.io/ios/app/id975001201)

**Features:** Vision Pro support

**In-app purchases:** none


### Coro.

[App page](https://appshunter.io/ios/app/coro/id1017066209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 脳トレ！神経衰弱・四字熟語 free?

脳トレ！神経衰弱・四字熟語 is free to download, with no in-app purchases.

### Is Coro. free?

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

### Do 脳トレ！神経衰弱・四字熟語 or Coro. have ads?

Coro. shows ads; 脳トレ！神経衰弱・四字熟語 does not.

### Which is updated more often, 脳トレ！神経衰弱・四字熟語 or Coro.?

脳トレ！神経衰弱・四字熟語 ships an update every 2 months, and Coro. every 3 weeks. Most recently, 脳トレ！神経衰弱・四字熟語 was updated on September 26, 2026 and Coro. on September 14, 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.*