# 神経衰弱 vs Simple Concentration Game

The clearest difference is update cadence: 神経衰弱 at weekly against Simple Concentration Game's every 48 months. 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.

神経衰弱 ships an update weekly, Simple Concentration Game every 48 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 神経衰弱 | Simple Concentration Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1594062095/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 48 months |
| Monetization | Ad-supported | — |
| Size | 49 MB | 101 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideyuki Aono](https://appshunter.io/developer/1458194648) | [hideaki fukumura](https://appshunter.io/developer/1629984757) |

## What reviewers say

### 神経衰弱

[App page](https://appshunter.io/ios/app/id1594062095)

A classic brain-training card game where players match numbers and colors to earn coins. Use collected coins to try your luck with the gacha feature. Enjoy a simple yet engaging memory challenge.

**Highlights:** Match numbers and colors, Earn coins, Gacha feature with collected coins, Brain training, Card game

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Concentration Game

[App page](https://appshunter.io/ios/app/simple-concentration-game/id6444276614)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 神経衰弱 free?

神経衰弱 is free to download, with no in-app purchases.

### Is Simple Concentration Game free?

Simple Concentration Game is free to download, with no in-app purchases.

### Do 神経衰弱 or Simple Concentration Game have ads?

Both 神経衰弱 and Simple Concentration Game show ads.

### Which is updated more often, 神経衰弱 or Simple Concentration Game?

神経衰弱 ships an update weekly, and Simple Concentration Game every 48 months. Most recently, 神経衰弱 was updated on October 30, 2026 and Simple Concentration Game on October 24, 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.*