Comparison

Concentration Sushi vs Concentration

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Concentration Sushi

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
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*****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)

About

Concentration

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【機能概要】 1人プレイやオンライ対戦ができるトランプの神経衰弱ゲーム(記憶力ゲーム)です。 ・SinglePlay  1人プレイのモードとなります。  ペアの選択の失敗時にマイナススコアのペナルティがあるので、スコアが0になる前に全てを揃えてください。  ある程度進むと、おじさんが複数枚のカードをスライドするので、記憶をアップデートしながらゲームを進めてください。 ・OnlinePlay  オンライン対戦での3人対戦のモードとなります。  自分の後は、2人のプレイヤーがプレイするので、戦略的にゲームを進めてください。  ペアの選択を30秒以内に行わないと別のプレイヤーに順番が移るので、制限時間には気を付けてください。 【操作説明】 ・戻るボタン(画面左上)  プレイを中断し、タイトル画面に戻ります。 ・スピーカーボタン(画面右上)  BGM、効果音のON/OFFを変更できます。 ・カード  裏面のカードをタップすると、選択されたカードが大きくなります。  選択されたカードを再度タップすると決定となり、表面に返ります。  2枚のカードが決定されたら、2枚のカードの数字が揃っているかの判定を行います。

Screenshots

Concentration Sushi4 screens
Concentration4 screens

Verdict

The call

The clearest difference is update cadence: Concentration Sushi at every 3 months against Concentration's every 8 months. Concentration Sushi also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Concentration Sushi ships an update every 3 months, Concentration every 8 months. The most recent releases landed on November 10, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Concentration Sushi versus Concentration: the parameters behind the verdict, then further details
ParameterConcentration SushiConcentration
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews95.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 months — betterEvery 8 months
AdsYesYes
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size132 MB117 MB
Age rating4+4+
DeveloperQualia Systems Inc.Mitsuaki Tanabe

In-app purchases

None

Concentration Sushi

No in-app purchases

None

Concentration

No in-app purchases

Questions

Is Concentration Sushi free?
Concentration Sushi is free to download, with no in-app purchases.
Is Concentration free?
Concentration is free to download, with no in-app purchases.
Do Concentration Sushi or Concentration have ads?
Both Concentration Sushi and Concentration show ads.
Which is updated more often, Concentration Sushi or Concentration?
Concentration Sushi ships an update every 3 months, and Concentration every 8 months. Most recently, Concentration Sushi was updated on November 10, 2026 and Concentration on November 8, 2026.

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