Comparison

フラッシュ暗算(あそんでまなぶ!シリーズ) vs Flash Mental Math

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

Head to head
About

フラッシュ暗算(あそんでまなぶ!シリーズ)

Features
Read full description

画面に次々と表示される数字を足して合計を答えるフラッシュ暗算アプリです。 【トレーニングモード】 トレーニングモードでは以下の設定を変えてあそぶことが出来ます。 ・桁数 ・表示間隔 ・出題数 簡単な問題から難しい問題までどなたでも遊んでいただけます。 【チャレンジモード】 チャレンジモードでは4つの難易度でランキングに挑戦できます。 自分に合った難易度でランキング上位を目指しましょう!

About

Flash Mental Math

Practice mental arithmetic with various difficulty levels and custom modes. This app serves as a brain training tool to enhance calculation skills.

Highlights
  • Mental arithmetic practice
  • Easy, normal, and difficult modes
  • Customizable modes
  • Brain training
  • Calculation skill improvement
Features
Read full description

Flash mental arithmetic practice app In addition to the easy, normal, and difficult modes, there are also custom modes. It can also be a brain training to improve mental arithmetic

Screenshots

フラッシュ暗算(あそんでまなぶ!シリーズ)4 screens
Flash Mental Math3 screens

Verdict

The call

The clearest difference is in-app purchases: Flash Mental Math at none against フラッシュ暗算(あそんでまなぶ!シリーズ)'s 2. Flash Mental Math also leads on update cadence (every 3 months vs every 32 months). フラッシュ暗算(あそんでまなぶ!シリーズ)'s advantage is iOS requirement (9.0 vs 15.6). On price, ads 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. フラッシュ暗算(あそんでまなぶ!シリーズ) sells 2 one-off in-app purchases. Flash Mental Math asks for nothing beyond the download.

UpkeepUpdate frequency

フラッシュ暗算(あそんでまなぶ!シリーズ) ships an update every 32 months, Flash Mental Math every 3 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
フラッシュ暗算(あそんでまなぶ!シリーズ) versus Flash Mental Math: the parameters behind the verdict, then further details
Parameterフラッシュ暗算(あそんでまなぶ!シリーズ)Flash Mental Math
PriceFreeFree
Rating—4.7 (18 ratings) — better
Positive reviews60.0% of reviews—
Number of ratings—18 — better
Update frequencyEvery 32 monthsEvery 3 months — better
AdsYesYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size30 MB14 MB
Age rating4+4+
DeveloperUNI-TY INC.Ryouhei Azuma

Customer experience

フラッシュ暗算(あそんでまなぶ!シリーズ)

Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

Flash Mental Math

All ratings18 ratings
Positive94.4%
Neutral0.0%
Negative5.6%

In-app purchases

2 purchases

フラッシュ暗算(あそんでまなぶ!シリーズ)

One-time2
  • 広告非表示$2.99
  • 回数制限解除$2.99
None

Flash Mental Math

No in-app purchases

Questions

Is フラッシュ暗算(あそんでまなぶ!シリーズ) free?
フラッシュ暗算(あそんでまなぶ!シリーズ) is free to download, with in-app purchases available.
Is Flash Mental Math free?
Flash Mental Math is free to download, with no in-app purchases.
Do フラッシュ暗算(あそんでまなぶ!シリーズ) or Flash Mental Math have ads?
Both フラッシュ暗算(あそんでまなぶ!シリーズ) and Flash Mental Math show ads.
Which is updated more often, フラッシュ暗算(あそんでまなぶ!シリーズ) or Flash Mental Math?
フラッシュ暗算(あそんでまなぶ!シリーズ) ships an update every 32 months, and Flash Mental Math every 3 months. Most recently, フラッシュ暗算(あそんでまなぶ!シリーズ) was updated on October 9, 2026 and Flash Mental Math on September 29, 2026.

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