Comparison

memRush vs Concentration

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

Head to head
About

memRush

Enhance your cognitive abilities with daily memory exercises. This game offers various modes to challenge your recall and learning speed, suitable for all ages to build a stronger foundation for success.

Highlights
  • Memory Training
  • Challenge Mode
  • Selection Mode
  • Matching Mode
  • Customizable Parameters
Features
Read full description

The richest man in the world, Bill. Gates said: "The key to success in the 21st century is the ability to learn, and the learning method and speed determine whether you win or lose", and the key to learning is memory, so memory is very important. Whether you are a child or an adult, it is necessary to exercise your memory every day, constantly improve your learning ability, and lay a solid foundation for your future success! Memory Training & Challenge Mode: 【Selection Mode】Select the correct number from multiple numbers within the specified time; 【Matching Mode】Select the same number from the even number until the selection is finished; 【Custom mode】Define the number of numbers, timeout time, memory time and other parameters;

About

Concentration

Read full description

【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

memRush4 screens
Concentration4 screens

Verdict

The call

The clearest difference is ads: memRush at none against Concentration's shown. memRush also leads on update cadence (fortnightly vs every 8 months) and iOS requirement (12.0 vs 15.6). On price, 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

memRush ships an update fortnightly, Concentration every 8 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
memRush versus Concentration: the parameters behind the verdict, then further details
ParametermemRushConcentration
PriceFreeFree
Rating5.0 (2 ratings) — better
Positive reviews100.0% of reviews
Number of ratings2 — better
Update frequencyFortnightly — betterEvery 8 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size10 MB117 MB
Age rating4+4+
Developer红品 熊Mitsuaki Tanabe

In-app purchases

None

memRush

No in-app purchases

None

Concentration

No in-app purchases

Questions

Is memRush free?
memRush is free to download, with no in-app purchases.
Is Concentration free?
Concentration is free to download, with no in-app purchases.
Do memRush or Concentration have ads?
Concentration shows ads; memRush does not.
Which is updated more often, memRush or Concentration?
memRush ships an update fortnightly, and Concentration every 8 months. Most recently, memRush was updated on September 18, 2026 and Concentration on September 10, 2026.

Other comparisons