Train reaction, not rhythm. Random interval timer for MMA, BJJ, boxing, muay thai, kickboxing, HIIT, CrossFit, sparring, and tactical drills. Native iOS + Android.
android kotlin swift open-source ios timer mvvm mobile-app hiit workout-timer swiftui foreground-service interval-timer jetpack-compose hilt glassmorphism material-design-3 live-activities tactical-training random-timer
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Updated
May 21, 2026 - Python