フラッシュ暗算ドリル vs Speed Math Drill

シンプルなフラッシュ暗算アプリをお求めの方に。 「桁数」「口数」「表示スピード」を自分に合わせて調整し、テンポよく数字を見て暗算力を鍛えられる学習アプリです。 【主な機能】 ・桁数 / 口数 / 速度のかんたん設定 ・見やすいフラッシュ表示と入力UI ・学習記録（正解数・正解率・継続日数）の自動集計 ・短時間でも続けやすい設計 【こんな方におすすめ】 ・暗算力を伸ばしたい ・算数 / 数学の基礎力を高めたい ・集中力や記憶力のトレーニングを習慣化したい

Train your calculation speed with 100-question timed drills — for kids and adults alike. Speed Math Drill is a no-nonsense arithmetic practice app. Open it, pick a mode, and start solving. No registration, no account, no internet needed. ■ WHAT YOU PRACTICE • Addition, subtraction, multiplication & division • Times tables (multiplication tables) • All operations mixed, or single-subject focus ■ HOW IT WORKS Each session gives you 100 questions. Solve them as fast as you can and beat your personal best. ■ WHO IT'S FOR • Elementary-age kids building calculation speed • Parents looking for a simple, ad-light math tool • Adults keeping arithmetic reflexes sharp • Students preparing for timed math tests ■ FREE vs. PREMIUM Free — All four operations (mixed): 100 questions per session, with banner ads Premium (one-time purchase): · Single-subject focus mode (addition only, subtraction only, etc.) · Ad-free experience No subscriptions. No recurring charges. Pay once, use forever. ■ FULLY OFFLINE & PRIVATE No data is collected or sent anywhere. Works without Wi-Fi.