N'Back 10 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.
N'Back 10
Enhance sensory and working memory with this cognitive training tool. It offers various modes and difficulty levels to challenge your recall abilities by matching current stimuli to those from a specified number of steps prior.
- N'Back training (1-Back to 10-Back)
- Flash Mode
- Slow Mode
- Step Mode
- Sequence memorization
- Stimulus matching
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Improve Sensory Memory & Working Memory using N'Back. ◆1'Back --- 10'Back ◆Flash Mode / Slow Mode / Step Mode Tap the number key matches the one from N steps earlier in the sequence. In 1'Back 1 task1: count & memorize 2 task2: count & memorize 3 __keyboard__: answer for task1 4 task3: count & memorize 5 __keyboard__: answer for task2 6 task4: count & memorize : In 2'Back 1 task1: count & memorize 2 task2: count & memorize 3 task3: count & memorize 4 __keyboard__: answer for task1 5 task4: count & memorize 6 __keyboard__: answer for task2 7 task5: count & memorize :
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 price: シンプルFLASH暗算 at Free against N'Back 10's $2.99. シンプルFLASH暗算 also leads on update cadence (fortnightly vs every 12 months) and device support (3 vs 1). N'Back 10's advantage is ads (none vs shown). On in-app purchases 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
シンプルFLASH暗算 is free to download; N'Back 10 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
N'Back 10 ships an update every 12 months, シンプルFLASH暗算 fortnightly. The most recent releases landed on September 11, 2026 and September 14, 2026 respectively.
| Parameter | N'Back 10 | シンプルFLASH暗算 |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 12 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuyoshi Ota | TSUKASA YONAHA |
In-app purchases
N'Back 10
No in-app purchases
シンプルFLASH暗算
No in-app purchases
