# Concentration Sushi vs Concentration Game

The clearest difference is rating: Concentration Game at 4.6 against Concentration Sushi's 4.0. Concentration Game also leads on ratings volume (22 vs 2) and monetization model (ad-supported vs free with in-app purchases). Concentration Sushi's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Concentration Game holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Concentration Game has 22 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 95% of Concentration Sushi's written reviews are positive against 100% of Concentration Game's.

Concentration Sushi ships an update every 3 months, Concentration Game every 5 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Concentration Sushi | Concentration Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/concentration-sushi/id458072561/reviews) | **[4.6 (22 ratings)](https://appshunter.io/ios/app/concentration-game-solo/id1616382609/reviews)** |
| Number of ratings | 2 | **22** |
| Positive reviews | 95.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 132 MB | 103 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qualia Systems Inc.](https://appshunter.io/developer/388873648) | [Hirokazu Uno](https://appshunter.io/developer/1570016990) |

## 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:** none


### Concentration Game

[App page](https://appshunter.io/ios/app/concentration-game-solo/id1616382609)

A classic single-player card game where you match pairs of numbers. The challenge increases with a decreasing time limit as you advance through levels. Enjoy a brain-training experience with this solo card game.

**Highlights:** Single-player card game, Match numbered pairs, Time limit decreases with level, Brain training, Classic card game mechanics

**In-app purchases:** none


## Frequently asked questions

### Is Concentration Sushi free?

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

### Is Concentration Game free?

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

### Which has better reviews, Concentration Sushi or Concentration Game?

Concentration Game is rated higher. Concentration Sushi averages 4.0 out of 5 from 2 ratings, while Concentration Game averages 4.6 from 22 ratings.

### Do Concentration Sushi or Concentration Game have ads?

Both Concentration Sushi and Concentration Game show ads.

### Which is updated more often, Concentration Sushi or Concentration Game?

Concentration Sushi ships an update every 3 months, and Concentration Game every 5 months. Most recently, Concentration Sushi was updated on November 10, 2026 and Concentration Game on November 7, 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.*