Peak Intervals
Peak Intervals is a sophisticated interval training timer for iOS and Apple Watch. Create custom workouts with precision timing, from simple HIIT sessions to complex training patterns. Cross-device sync keeps your iPhone and Apple Watch perfectly synchronized.
Simple mode for quick uniform workouts, or Advanced mode for complex training patterns with variable exercise durations, custom rest periods, and round management.
Create workouts with multiple exercises and rounds. Drag-and-drop reordering, round duplication, and real-time total duration calculation.
Save workouts to your personal library with custom colors. Full editing support, search functionality, and manual reordering of saved workouts.
Interactive countdown timer with play/pause/resume functionality, visual cues, voice announcements, and haptic feedback for important transitions.
Share your custom workouts with friends and training partners. Import shared routines and discover new training patterns.
Enjoy a beautiful dark interface that's easy on the eyes during your workouts and perfectly suited for any lighting condition.