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Build, track, and master custom interval workouts, Tabata, and HIIT routines.
Start your HIIT workout in 3 taps. No setup friction. No clutter. Just a clean, fast interval timer built for people who actually train. Shift is a purpose-built HIIT timer designed for speed. Set your work intervals, rest periods, and rounds - then go. No account required. No ads. No bloated feature set. WHAT SHIFT DOES: - Custom interval configuration: work time, rest time, rounds, sets - Tabata, EMOM, and custom HIIT protocols - Clear audio cues and haptic feedback so you never miss a transition - Visual countdown optimized for glanceability mid-workout - Minimal UI that stays out of your way BUILT FOR: - Home workouts with no equipment - Gym training between sets - CrossFit-style timed circuits - Tabata protocols - Any interval-based training WHY SHIFT: Most timer apps are either too simple (just a stopwatch) or too complex (10 screens before you start). Shift sits in the sweet spot - fully configurable but fast to start. Designed by Credes, a product studio that ships tools people actually use. Start training. Not configuring.