Flash Mental Math (Anzan) vs シンプルFLASH暗算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flash Mental Math (Anzan)
This app helps users of all ages improve their mental math and calculation speed. Numbers flash on screen briefly, training quick thinking and concentration. It's ideal for children preparing for abacus certification, students needing math test prep, or adults seeking brain training.
- Flash number display for quick thinking
- Adjustable difficulty levels
- Global and classroom rankings
- No account registration required
- Supports multiple languages
- Intuitive interface for children
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"Enjoy learning! Flash mental arithmetic app for kids to adults" Boost your calculation skills with flash mental arithmetic! Numbers flash on the screen briefly, training your quick thinking and concentration. ■Recommended for: - Children aiming for soroban (abacus) certification - School math test preparation - Adults looking for brain training and speed calculation ■Features: - Finely tuned difficulty levels (digits × number of flashes × display time) for optimal skill development - Global ranking system - Create classroom rankings for friendly competition! - No personal information required, no account registration needed for safe use - Supports Japanese, English, German, Spanish, French, Italian, Korean, and Chinese ■Ease of use: - Simple and intuitive interface, easy for children to use Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
シンプルFLASH暗算
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『シンプルFLASH暗算』は、画面に一瞬ずつ表示される数字を合計して答えるトレーニングアプリです。暗算力・注意力・ワーキングメモリの向上に役立ちます。UIはスマホ縦型に最適化。学習や脳トレ、受験対策にも。 ◆ 特長 ・一桁/二桁/三桁の難易度に対応 ・ステージモードで検定試験対策 ・表示口数（最大10口）／表示時間／消灯時間を自由に調整 ・効果音ON/OFF、ダーク/ライトのテーマ切替 ・ヒント表示で直前の出題を確認可能 ・オフラインでサクサク動作、すぐ再挑戦できるシンプル設計 ◆ 使い方 1. 「スタート」をタップして数字を順番に確認 2. 表示が終わったら合計を入力して「判定」 3. 正解・不正解が大きく表示され、ヒントで出題の内訳も確認できます ◆ こんな人におすすめ ・暗算を速く・正確にしたい ・通勤通学のスキマ時間に脳トレしたい ・受験・資格の計算力を底上げしたい ◆ プライバシー ・アカウント登録不要、個人情報の収集はありません ・設定は端末内に保存されます
Screenshots
Verdict
The clearest difference is in-app purchases: シンプルFLASH暗算 at none against Flash Mental Math (Anzan)'s 1. Flash Mental Math (Anzan)'s advantage is update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement 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 Math (Anzan) sells 1 in-app purchase, starting at $0.99 per month. シンプルFLASH暗算 asks for nothing beyond the download.
Flash Mental Math (Anzan) ships an update weekly, シンプルFLASH暗算 fortnightly. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.
| Parameter | Flash Mental Math (Anzan) | シンプルFLASH暗算 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | SIC Company Limited | TSUKASA YONAHA |
In-app purchases
Flash Mental Math (Anzan)
- Monthly Subscription$0.991 Month
シンプルFLASH暗算
No in-app purchases
Questions
Is Flash Mental Math (Anzan) free?
Is シンプルFLASH暗算 free?
Do Flash Mental Math (Anzan) or シンプルFLASH暗算 have ads?
Which is updated more often, Flash Mental Math (Anzan) or シンプルFLASH暗算?
Other comparisons
