Comparison

脳トレ 数字記憶 vs SpeedMath Trainer

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

Head to head
About

脳トレ 数字記憶

Test your memory with this number recall game. Memorize displayed digits and input them correctly to advance through stages. It's a simple yet effective way to sharpen your cognitive skills.

Highlights
  • Number memorization training
  • Stage-based progression
  • Automatic input judgment
  • Cognitive skill enhancement
  • Simple gameplay
Features
Read full description

■ 遊び方 ①ステージを選択してトレーニングを開始します。 ②N桁数字が表示されます。頑張って覚えます。 ③数字が消えたら覚えた数字を入力します。 ■ 仕様 ・問題数と同じ桁数の数字が入力された瞬間に自動で判定に入ります。 ・全問正解すると次のステージが開放されます。

About

SpeedMath Trainer

Engage in rapid, rhythm-based mental math exercises to boost focus, reaction time, and arithmetic skills. This app offers timed challenges with instant feedback and detailed performance tracking in a visually appealing interface.

Highlights
  • Short, timed mental math challenges
  • Rhythm-based problem solving
  • Performance tracking dashboards
  • Detailed results with breakdowns
  • Achievement sharing and friend challenges
  • Premium mode for full access and ad removal
Features
Read full description

Train your brain with fast, rhythm-based mental math. Solve calculations in sync with a steady tempo to sharpen your focus, reaction speed, and arithmetic accuracy. SpeedMath turns practice into an engaging experience with responsive stages, instant feedback, and a sleek cyber-inspired interface that visualizes your performance in real time. Key Features • Short, focused timed challenges for daily training • Rhythm-based problems that keep your mind engaged • Track accuracy, speed, and score trends with modern dashboards • Detailed results with per-question breakdown and bonuses • Share your achievements and challenge friends • Premium mode unlocks all stages and removes ads Recommended for • Adults who want to strengthen mental math and quick calculation skills • Commuters or busy users looking for a quick brain workout • Anyone who finds ordinary math apps too slow or boring Even a few minutes a day can sharpen your mind. Stay focused, react faster, and master mental math with a smarter way to train.

Screenshots

脳トレ 数字記憶3 screens
SpeedMath Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: 脳トレ 数字記憶 at none against SpeedMath Trainer's 1. 脳トレ 数字記憶 also leads on ads (none vs shown) and iOS requirement (10.0 vs 16.6). On price, review sentiment 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. SpeedMath Trainer sells 1 one-off in-app purchase. 脳トレ 数字記憶 asks for nothing beyond the download.

Scorecard4 real differences · 4 level
脳トレ 数字記憶 versus SpeedMath Trainer: the parameters behind the verdict, then further details
Parameter脳トレ 数字記憶SpeedMath Trainer
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequency—Weekly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.6
Further details — not scored
Size20 MB66 MB
Age rating4+4+
DeveloperChutatsu YamamotoFumihiro Kawasaki

Customer experience

脳トレ 数字記憶

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SpeedMath Trainer

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

脳トレ 数字記憶

No in-app purchases

1 purchases

SpeedMath Trainer

One-time1
  • SpeedMath Premium$0.99

Questions

Is 脳トレ 数字記憶 free?
脳トレ 数字記憶 is free to download, with no in-app purchases.
Is SpeedMath Trainer free?
SpeedMath Trainer is free to download, with in-app purchases available.
Do 脳トレ 数字記憶 or SpeedMath Trainer have ads?
SpeedMath Trainer shows ads; 脳トレ 数字記憶 does not.

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