Comparison

Flash Mental Math vs フラッシュ暗算練習

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

Head to head

Flash Mental Math

Mental arithmetic training

Free

📚 Education

★ 4.718 ratingsView app →

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

About

フラッシュ暗算練習

Features

Read full description

シンプルなデザインとオリジナル設定でフラッシュ暗算のレベルアップ！【主な特徴】・シンプルな操作性シンプルなデザインにより、どなたでも簡単に利用できます。・カスタマイズ問題の種類や数、表示時間をカスタマイズできます。・復習同じ問題にもう一度チャレンジできます。【こんな方におすすめ】・余計な機能はいらない！・ただただフラッシュ暗算の練習がしたい！「Flash計算練習」で、今日からフラッシュ暗算のレベルアップ！

Screenshots

Flash Mental Math3 screens

フラッシュ暗算練習4 screens

Verdict

The call

The clearest difference is update cadence: フラッシュ暗算練習 at every 9 days against Flash Mental Math's every 3 months. フラッシュ暗算練習 also leads on iOS requirement (13.0 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

Flash Mental Math ships an update every 3 months, フラッシュ暗算練習 every 9 days. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level

Flash Mental Math versus フラッシュ暗算練習: the parameters behind the verdict, then further details
Parameter	Flash Mental Math	フラッシュ暗算練習
Price	Free	Free
Rating	4.7 (18 ratings) — better	—
Positive reviews	—	50.0% of reviews
Number of ratings	18 — better	—
Update frequency	Every 3 months	Every 9 days — better
Ads	Yes	Yes
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	13.0 — better
Further details — not scored
Size	14 MB	28 MB
Age rating	4+	4+
Developer	Ryouhei Azuma	Katsuyuki Hayashi

Customer experience

Flash Mental Math

All ratings18 ratings

Positive94.4%

Neutral0.0%

Negative5.6%

フラッシュ暗算練習

Written reviews2 reviews

Positive50.0%

Neutral0.0%

Negative50.0%

In-app purchases

None

Flash Mental Math

No in-app purchases

None

フラッシュ暗算練習

No in-app purchases

Questions

Is Flash Mental Math free?

Flash Mental Math is free to download, with no in-app purchases.

Is フラッシュ暗算練習 free?

フラッシュ暗算練習 is free to download, with no in-app purchases.

Do Flash Mental Math or フラッシュ暗算練習 have ads?

Both Flash Mental Math and フラッシュ暗算練習 show ads.

Which is updated more often, Flash Mental Math or フラッシュ暗算練習?

Flash Mental Math ships an update every 3 months, and フラッシュ暗算練習 every 9 days. Most recently, Flash Mental Math was updated on September 29, 2026 and フラッシュ暗算練習 on October 9, 2026.