TrainFlow

TrainFlow is a deliberate practice and workout workflow platform designed for athletes, coaches, and practitioners across multiple disciplines including basketball, dance, combat sports, golf, tennis, and calisthenics.

Instead of scrubbing back and forth on YouTube tutorials with sweaty or chalky hands, TrainFlow allows users to extract precise 5-15 second video timestamps and assemble them into modular routines on desktop. When practicing on the court, mat, or gym floor, the installable mobile PWA companion delivers automated rest timers, audible countdown cues, and single-tap set tracking so you stay fully locked in your flow state.

Key capabilities include:
- Visual routine builder to structure drills, sets, and rest intervals
- Precise YouTube video clip looping for continuous technique calibration
- Distraction-free mobile execution player with Web Audio API pacing
- Completely free core features with zero invasive ads.