# 神経すいじゃく vs CONCENTRATION(神経衰弱ゲーム)

The clearest difference is review sentiment: 神経すいじゃく at 100% against CONCENTRATION(神経衰弱ゲーム)'s 0%. CONCENTRATION(神経衰弱ゲーム)'s advantage is iOS requirement (9.0 vs 13.0). 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.

## The numbers

| Metric | 神経すいじゃく | CONCENTRATION(神経衰弱ゲーム) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/concentration/id1447839201/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | — |
| Monetization | — | Free |
| Size | 5 MB | 145 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yusuke_sharp9th](https://appshunter.io/developer/409982567) | [Koichi Iwasaki](https://appshunter.io/developer/1308795626) |

## What reviewers say

### 神経すいじゃく

[App page](https://appshunter.io/ios/app/id409982564)

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

**In-app purchases:** none


### CONCENTRATION(神経衰弱ゲーム)

[App page](https://appshunter.io/ios/app/concentration/id1447839201)

A simple card matching game where players flip pairs of identical cards to collect them. Track your results and enjoy a quiet, ad-free gaming experience.

**Highlights:** Simple card matching gameplay, Track game results, Quiet, no sound experience, Ad-free gameplay, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 神経すいじゃく free?

神経すいじゃく is free to download, with no in-app purchases.

### Is CONCENTRATION(神経衰弱ゲーム) free?

CONCENTRATION(神経衰弱ゲーム) is free to download, with no in-app purchases.

### Do 神経すいじゃく or CONCENTRATION(神経衰弱ゲーム) have ads?

Neither 神経すいじゃく nor CONCENTRATION(神経衰弱ゲーム) shows ads.

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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.*