フラッシュ暗算1st
Osamu Matsumura Education iPhoneiPadiPod touch
フラッシュ暗算1st is a free Education app for iPhone and iPad by Osamu Matsumura. Requires iOS 16.0. Updated February 17, 2026.
- Price
- Free
- on the App Store
- Size
- 1 MB
- Age 4+
- Updated
- Feb 17
- 2026 · v1.0
Screenshots
About フラッシュ暗算1st
フラッシュ暗算を練習することができるアプリです。桁数（４桁まで）、口数（３０口まで）、間隔（0.1秒〜2秒まで）の調整ができます。弱点特化モードでは間違えた問題と似たような間違いを起こしやすい問題を自動的に作成し、繰り返し問題を解くことで定着を目指すことができます。
App privacy
The developer, Osamu Matsumura, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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