# Concentration Sushi

> A memory matching game with adjustable difficulty and online leaderboards. (iPhone/iPad app by Qualia Systems Inc..)

- Source: https://appshunter.io/ios/app/concentration-sushi/id458072561 (this page in markdown: same URL + `.md`)
- Developer: [Qualia Systems Inc.](https://appshunter.io/developer/388873648)
- Category: Games, Education, Card
- Price: Free with in-app purchases
- Rating: 4.00/5 from 2 App Store ratings · 20 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 132 MB
- Languages: American English, Japanese
- Released: 2011-08-26
- Data updated: 2026-08-12
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/concentration-sushi/id458072561/reviews.md

## What is Concentration Sushi?

*****Sushi apps series 'Total 1 million DL accomplished!'*****

Concentration app.
Cards that are used in applications, 'Handy Menu Sushi'

You push the button and talk.

Game Mode "friendly," "normally," "difficulty" "infinitely" and has been prepared.
In each level, one card storage time varies.

Friendly: 5 seconds
Normal: 3 seconds
Difficulty: 1 second
infinitely: 5 seconds (mode in which the game is over when you make a mistake).

Support:
-Game Center.
-twitter.(iOS5)

## Key features

- Memory card matching
- Multiple game modes
- Adjustable card storage times
- Game Center integration
- Infinite mode

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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


## Recent user reviews (10 of 20)

All indexed reviews: https://appshunter.io/ios/app/concentration-sushi/id458072561/reviews.md

### 5/5 — 大好き

*2024-05-05*

築地入船江戸の味〜♪は、終わっちゃったんですか？寂しい。。

### 3/5 — 絵が美味しそう

*2019-05-15*

お寿司が食べたくなるー、やば。

### 5/5 — 凄い！

*2019-03-27*

小さい頃からやっています
暇つぶしになるのでいいですね！

### 4/5 — 対戦プレイ人数減った？

*2017-08-15*

以前4人までだった対戦相手数が8人に増えてた。
操作方法が分からないとマルチ出来ないので
その辺を改善した方が良いかと。
まあ、4人が限界だと思う（笑）

### 5/5 — たのしい(・∀・)

*2014-02-16*

子供が楽しめるアプリですね。

### 5/5 — 声が好きです

*2014-02-11*

この声がいいです。中国語もかわいい声で好きです。
対戦モードが無料なんですね。いまだけ？

### 5/5 — Very good.

*2014-02-11*

This game is very very funny.

### 5/5 — うん。楽しい！

*2012-02-08*

『がり』の言い方が大好き！
かなり楽しいので、はまりまくりです。

### 5/5 — 子どもも大人も楽しめる！

*2012-02-04*

3歳の息子共々ハマッています。遊びながら記憶力を鍛えられるのがいいですね。大満足なゲームですが、他の方のレビューにもある通り、うっかり広告をタップするとリセットされてしまう点が残念です。

### 4/5 — 楽しい

*2012-02-04*

楽しいです

## Frequently asked questions about Concentration Sushi

### What is Concentration Sushi?

Concentration Sushi is a free-to-play game designed to improve memory and concentration. It involves matching sushi-themed cards with adjustable storage times across various difficulty levels.

### Does Concentration Sushi have ads?

Yes, Concentration Sushi contains advertisements. It is a free application supported by ads, with options for in-app purchases.

### What are the game modes in Concentration Sushi?

Concentration Sushi offers 'Friendly' (5 seconds storage), 'Normal' (3 seconds storage), 'Difficulty' (1 second storage), and 'Infinitely' (5 seconds storage, game ends on mistake) modes.

### Can I play Concentration Sushi offline?

The provided information does not specify offline play capabilities. However, features like Game Center integration suggest online connectivity may be required for certain functionalities.

### What devices support Concentration Sushi?

Concentration Sushi is available on iPhone, iPad, and iPod. It is rated for ages 4 and up.

### How often is Concentration Sushi updated?

The latest version, 4.14, was released on April 2, 2024. This indicates the app receives regular updates from developer Qualia Systems Inc.

### What is the user rating for Concentration Sushi?

Concentration Sushi has a rating of 4.0 stars based on 2 user reviews. This suggests a generally positive reception from its player base.

### Does Concentration Sushi offer multiplayer?

While there isn't direct multiplayer, Concentration Sushi supports Game Center, allowing players to compete with friends and others on leaderboards.

## Version history (last 5 releases)

### 4.14 — 2024-04-02

Normal version.
bug fix.

### 4.13 — 2024-01-01

2024. Best regards. The Tsukiji Irifune collaboration will continue.

### 4.12 — 2023-10-31

Tsukiji Irifune Collaboration New Year's Eve and New Year's Version.

### 4.11 — 2022-12-31

Tsukiji Irifune Collaboration Normal Version

### 4.10 — 2022-10-31

Tsukiji Irihune Collaboration New Year's Eve and New Year's Version!

## Apps similar to Concentration Sushi

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Concentration Game - Solo](https://appshunter.io/ios/app/concentration-game-solo/id1616382609) | 4.6 (14) | Free | Games |
| [Memory Match - Online Battle](https://appshunter.io/ios/app/memory-match-online-battle/id6449814564) | 4.8 (12) | Free | Games |
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| [えあわせ - がんばれ！ルルロロ](https://appshunter.io/ios/app/id608194175) | 4.3 (4) | Free | Games |
| [Memory Games with Animals DX](https://appshunter.io/ios/app/memory-games-with-animals-dx/id1585778588) | 3.5 (2) | Free | Games |

## More apps by Qualia Systems Inc.

- [Reflexes test](https://appshunter.io/ios/app/reflexes-test/id388873645)
- [Handy Menu Sushi](https://appshunter.io/ios/app/handy-menu-sushi/id420242284)
- [Handy Menu -Family Restaurant-](https://appshunter.io/ios/app/handy-menu-family-restaurant/id427412062)
- [Sushi Match](https://appshunter.io/ios/app/sushi-match/id532253481)
- [Sushi de Puzzle](https://appshunter.io/ios/app/sushi-de-puzzle/id541779279)

All apps by Qualia Systems Inc.: https://appshunter.io/developer/388873648

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*