# Concentration Sushi vs 最強AI神経衰弱

The clearest difference is review sentiment: Concentration Sushi at 95% against 最強AI神経衰弱's 40%. Concentration Sushi also leads on update cadence (every 3 months vs every 13 months) and rating (4.0 vs 3.8). 最強AI神経衰弱's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Concentration Sushi sells 2 one-off in-app purchases. 最強AI神経衰弱 asks for nothing beyond the download.

Concentration Sushi holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 95% of Concentration Sushi's written reviews are positive against 40% of 最強AI神経衰弱's.

Concentration Sushi ships an update every 3 months, 最強AI神経衰弱 every 13 months. The most recent releases landed on August 12, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Concentration Sushi | 最強AI神経衰弱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/concentration-sushi/id458072561/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/ai/id1312623304/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | **95.0% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 132 MB | 21 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qualia Systems Inc.](https://appshunter.io/developer/388873648) | [Isamu Sakashita](https://appshunter.io/developer/668943935) |

## What reviewers say

### Concentration Sushi

[App page](https://appshunter.io/ios/app/concentration-sushi/id458072561)

Enhance your focus with this memory-based game. Test your recall by matching sushi cards with varying storage times across multiple difficulty levels. Compete with friends via Game Center.

**Highlights:** Memory card matching, Multiple game modes, Adjustable card storage times, Game Center integration, Infinite mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| V.S.Mode | $0.99 | one-time |
| No Ads | $3.99 | one-time |


### 最強AI神経衰弱

[App page](https://appshunter.io/ios/app/ai/id1312623304)

Test your memory against a challenging AI in this card-matching game. Aim to conquer the divine difficulty level, where perfect recall is essential. Can you defeat the incredibly strong AI?

**Highlights:** Memory-testing gameplay, Challenging AI opponent, Multiple difficulty levels, Card matching mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concentration Sushi free?

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

### Is 最強AI神経衰弱 free?

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

### Which has better reviews, Concentration Sushi or 最強AI神経衰弱?

Concentration Sushi is rated higher. Concentration Sushi averages 4.0 out of 5 from 2 ratings, while 最強AI神経衰弱 averages 3.8 from 5 ratings.

### Do Concentration Sushi or 最強AI神経衰弱 have ads?

Both Concentration Sushi and 最強AI神経衰弱 show ads.

### Which is updated more often, Concentration Sushi or 最強AI神経衰弱?

Concentration Sushi ships an update every 3 months, and 最強AI神経衰弱 every 13 months. Most recently, Concentration Sushi was updated on August 12, 2026 and 最強AI神経衰弱 on June 3, 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.*