Mental Math Sprint vs ガチ2桁九九

APP INTERFACE: English MathReact turns mental arithmetic into a focused 60-second drill. Choose an operation, enter each answer on the number pad, and see how many you can solve correctly before the clock runs out. PLAY FOR FREE • Five 60-second sprints every day • Easy addition and subtraction • A daily correct-answer goal • Play streak and personal best streak • Local high scores with correct and wrong counts TRAIN YOUR WAY WITH PRO • Unlimited timed sprints • Multiplication, exact division and mixed-operation rounds • Medium and Hard number ranges • Untimed Practice mode • Review the questions you missed after a round HONEST SCORING Your score is the number of correct answers in the round. The timer uses elapsed time rather than counting screen updates, and it pauses if the app moves to the background. PRIVATE BY DEFAULT No account, ads, analytics or tracking SDKs. Scores, goals and streaks stay on your device. MathReact asks for no system permissions. Apple StoreKit is used only to load plans, make purchases and restore access. Subscriptions renew automatically unless cancelled in your Apple ID settings. A lifetime purchase is also available where shown. Any introductory offer is displayed only when StoreKit confirms that it is available and your Apple ID is eligible. Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy Support: support@leanstudio.asia

ガチ2桁九九は、2桁×2桁の暗算力を集中的に鍛えるトレーニングアプリです。 11の段から15の段までを無料で練習でき、答えを入力しながらテンポよく反復できます。正答率、平均タイム、練習数を記録し、日々の成長を確認できます。 プレミアム機能では、16の段以降、20〜99の段、ランダム2桁×2桁、平方数モード、苦手問題トレーニングを解放できます。 暗算を速くしたい人、計算の基礎力を鍛えたい人、2桁九九をゲーム感覚で反復したい人に向けたアプリです。