# CONCENTRATION(神経衰弱ゲーム) vs Memory

The clearest difference is rating: Memory at 5.0 against CONCENTRATION(神経衰弱ゲーム)'s 3.0. CONCENTRATION(神経衰弱ゲーム)'s advantage is in-app purchases (none vs 3) and iOS requirement (9.0 vs 17.5). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Memory sells 3 one-off in-app purchases. CONCENTRATION(神経衰弱ゲーム) asks for nothing beyond the download.

Memory holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | CONCENTRATION(神経衰弱ゲーム) | Memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/concentration/id1447839201/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memory-feingames/id6581482201/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 14 months |
| Monetization | Free | Free |
| Size | 145 MB | 13 MB |
| Requires iOS | **9.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koichi Iwasaki](https://appshunter.io/developer/1308795626) | [Vlad Feinstein](https://appshunter.io/developer/1756392392) |

## What reviewers say

### 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


### Memory

[App page](https://appshunter.io/ios/app/memory-feingames/id6581482201)

A classic memory matching game where players flip cards to find pairs. Aim to clear the board with minimal mistakes and track your progress on the leaderboard. Offers multiple difficulty levels and letter cards for younger players.

**Highlights:** Card matching gameplay, Minimize 'oops' count, Leaderboard tracking, Multiple difficulty levels, Letter cards for kids

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thank you! | $0.99 | one-time |
| Thank you very much! | $2.99 | one-time |
| Support tip | $9.99 | one-time |


## Frequently asked questions

### 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.

### Is Memory free?

Memory is free to download, with in-app purchases available.

### Which has better reviews, CONCENTRATION(神経衰弱ゲーム) or Memory?

Memory is rated higher. CONCENTRATION(神経衰弱ゲーム) averages 3.0 out of 5 from 1 ratings, while Memory averages 5.0 from 1 ratings.

### Do CONCENTRATION(神経衰弱ゲーム) or Memory have ads?

Neither CONCENTRATION(神経衰弱ゲーム) nor Memory 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.*