





A mobile-first alarm clock PWA that cannot be stopped unless you solve a math problem.
Automatically translated from Japanese by AI
Use "Request" to ask the creator to set up tip receiving.
Used 0 times1 viewsSince 2026/8
Challenge yourself in the morning. From a quiet screen like a luxury watch, up to 100 calculation problems await your morning.
Use with the browser or PWA open. Alarms may not sound or may sound late due to browser or tab closure, device sleep, power-saving settings, and other factors. For important schedules, use your device's standard alarm in combination with this app.
All settings, progress, and history are saved in the browser's localStorage and are not transferred to other browsers or devices.
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