HIIT Interval Timer: Circuit

The interval timer for custom HIIT and circuit training. Unlimited saved templates. No subscription. Unlike apps that cap free workouts or hide the editor behind a weekly plan, HIIT Interval lets you build, favorite, and run as many timers as you want. CUSTOM CIRCUITS Work, rest, warm-up, and cool-down — each with its own name and free-form duration. Drag to reorder. Insert a segment anywhere. Set rounds. Presets include 20/10 sprint, 45/15 HIIT, EMOM 12, and a focus cycle. CUES THAT KEEP YOU HONEST Halfway beep and 3-2-1 countdown, including short intervals. Haptics on every transition. Your music keeps playing — the app ducks it during cues. FAVORITES, HISTORY, STREAKS Save real favorites, not just a history dump. Continue your last workout. Mark rest days so planned days off do not break the streak. Weekday reminders. HEALTH Optionally log completed HIIT sessions to Apple Health. You…