フラッシュ暗算練習 vs Brain teaser calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
フラッシュ暗算練習
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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！
Brain teaser calculator
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Calculator that can be used for brain exercises and mental arithmetic practice
Screenshots
Verdict
The clearest difference is iOS requirement: フラッシュ暗算練習 at 13.0 against Brain teaser calculator's 15.8.3. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
フラッシュ暗算練習 ships an update every 9 days, Brain teaser calculator every 2 weeks. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.
| Parameter | フラッシュ暗算練習 | Brain teaser calculator |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 9 days — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 28 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Katsuyuki Hayashi | Hideaki Uchikoshi |
In-app purchases
フラッシュ暗算練習
No in-app purchases
Brain teaser calculator
No in-app purchases
Questions
Is フラッシュ暗算練習 free?
Is Brain teaser calculator free?
Do フラッシュ暗算練習 or Brain teaser calculator have ads?
Which is updated more often, フラッシュ暗算練習 or Brain teaser calculator?
Other comparisons
