Effortlessly track your time spent on various activities like learning or exercise. Start a timer with a single tap and log your activity afterward. Review your progress with daily, weekly, monthly, and yearly summary graphs.






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Whether you want more options like 気持ち良い計算尺 or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






Effortlessly track your time spent on various activities like learning or exercise. Start a timer with a single tap and log your activity afterward. Review your progress with daily, weekly, monthly, and yearly summary graphs.









Learn to calculate distance, time, and speed with animated examples of a car in motion. Practice solving for missing values using provided data. Offers customization options and the ability to create your own problems.