Flash mental calculation 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.
Flash mental calculation
Practice mental arithmetic with this educational app. Review your calculation process, and easily re-challenge mistaken problems from your past logs. Upgrade to save more calculation history.
- Practice flash mental arithmetic
- Review calculation process
- Rechallenge mistaken problems
- Save past calculation logs
- Log history saved after purchase
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This app that you can practice flash mental arithmetic. You can review the calculation process by tapping the confirmation button after calculation. In addition, since the question which was made is saved in the past log, you can rechallenge the mistaken problem later. The past logs are saved for 10 questions before purchase, and 150 questions can be saved after purchase. ■ Past log Challenge mode, practice mode questions and results are automatically saved. Touch the challenge button to re-challenge the question. The past logs are saved for 10 questions before purchase and 150 questions are stored after purchase.
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！
Screenshots
Verdict
The clearest difference is review sentiment: Flash mental calculation at 100% against フラッシュ暗算練習's 50%. フラッシュ暗算練習's advantage is in-app purchases (none vs 1) and update cadence (every 9 days vs every 5 months). 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
Both are free to download. Flash mental calculation sells 1 one-off in-app purchase. フラッシュ暗算練習 asks for nothing beyond the download.
Flash mental calculation ships an update every 5 months, フラッシュ暗算練習 every 9 days. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.
| Parameter | Flash mental calculation | フラッシュ暗算練習 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 9 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | kenji kiuchi | Katsuyuki Hayashi |
Customer experience
Flash mental calculation
フラッシュ暗算練習
In-app purchases
Flash mental calculation
- Remove AD & All function Release.$9.99
フラッシュ暗算練習
No in-app purchases
Questions
Is Flash mental calculation free?
Is フラッシュ暗算練習 free?
Do Flash mental calculation or フラッシュ暗算練習 have ads?
Which is updated more often, Flash mental calculation or フラッシュ暗算練習?
Other comparisons
