Holdr - Simple Interval timer

Holdr is a clean, no-fuss repeating interval timer built for your wrist. Perfect for stretching, yoga, breathwork, HIIT, or any activity with timed holds and transitions. How it works: Set your interval duration, transition time, and number of rounds — then start. Holdr cycles through intervals and transitions with vibration alerts, so you can focus on your workout instead of watching the clock. Features: - Configurable interval (5s–10min) and transition (5s–2min) durations - Optional round limit or unlimited looping - Adjust interval duration on the fly with UP/DOWN buttons (+/- 5s) - Skip to next interval with BACK/LAP - Vibration alerts on phase changes and halfway points - Heart rate display during sessions - Auto-saves to Garmin Connect with proper activity types - 6 activity types: Yoga, Stretching, Breathwork, Cardio, HIIT, None - Light: Keep backlight on during sessions (On/Off) Controls: - UP/DOWN: Navigate settings or adjust interval duration mid-session - START/STOP: Select settings / start session / pause & resume - BACK/LAP: Skip to next interval (running) or end session (paused) Visual cues: - Green background during intervals - Blue background during transitions - Phase label, round counter, and "up next" preview Session summary: After ending, choose to save or discard your activity. Rounds completed and total hold time are displayed.