NBackCalc vs RecallBloom

NBackCalcは、認知科学で実証されたNバック課題をベースにした計算トレーニングアプリです。 【NBackとは？】 N個前の計算問題の答えを記憶しながら、新しい計算問題を解く二重課題です。「覚える」と「計算する」を同時に行うことで、ワーキングメモリ（作業記憶）を効率よく鍛えられます。 【特徴】 ・1〜10バックまで対応。自分のレベルに合わせて調整可能 ・加算・減算・乗算・除算から使用する演算を自由に選択 ・制限時間・問題数をカスタマイズ ・広告なし・完全無料 【こんな人におすすめ】 ・マルチタスクが苦手な人 ・あたふたしてしまいがちな人 ・物忘れが多いと感じている人

Train your memory with a brain game you can start in about a minute. Remember positions and spoken letters, compare them with earlier rounds, and see your practice in clear numbers. RecallBloom makes Dual N-Back training easy to start: tap when the position or sound matches, and wait when it does not. REMEMBER WHAT YOU SEE AND HEAR A tile lights up and an English letter plays. Decide whether each matches the one from a set number of rounds ago. As new information arrives, keep the recent positions and sounds in mind. START WITH A SHORT SET A standard set has 20 scored rounds, three seconds each, plus the opening rounds you need to remember. Begin with about a minute of practice, pause when you need a break, and resume later. SEE WHAT CHANGED Compare your mistakes with your previous or first set at the same level and task. Review position and sound mistakes separately, and follow your results on a graph. KNOW YOUR NEXT GOAL Your challenge path shows your current level and what comes next. Look back at the day you started, the levels you cleared, and your latest results. LEARN BY TRYING Three short practice questions introduce the rules. Try the matching buttons and learn the timing before starting a full set. PRACTICE AT YOUR PACE Use automatic difficulty adjustment or choose a level manually. Adjust the sound volume and switch between light and dark themes. No account registration is required. Training records are stored on your device. Practice is free with ads. An optional one-time purchase removes ads. There is no subscription.