Intervo: HIIT Tabata Timer

Intervo is a fast, focused interval timer for HIIT, Tabata, circuit training, boxing rounds, EMOM and stretching. Build any work/rest interval, then let Intervo run the whole session for you — hands-free. EVERYTHING IS FREE All features are unlocked at no cost: save unlimited presets, voice countdown, sound cues and color themes. No subscriptions, no in-app purchases. FULLY CUSTOMIZABLE • Set prepare, work and rest durations • Choose rounds per set and number of sets • Add a longer rest between sets • One-tap Tabata preset (20s work / 10s rest x 8) CLEAR, BIG DISPLAY • Huge color-coded countdown ring you can read across the room • Each phase has its own color: prepare, work, rest, set break • Round and set progress at a glance • A preview of what comes next AUDIO & HAPTICS • Beeps on every phase change and the final 3-second countdown • Vibration feedback • Optional spoken voice countdown (English / Japanese) • Keeps the screen awake during a workout SAVE YOUR ROUTINES Save any configuration as a named preset and start it again with one tap. Tabata, HIIT, EMOM and more are included to get you going. PRIVATE & OFFLINE Intervo generates time entirely on your device. It needs no account, no sign-in and no internet connection. Nothing about your workouts ever leaves your phone. • English and Japanese • Light and dark themes with multiple accent colors • Designed for one-handed use Whether you do quick Tabata sets at home or full HIIT circuits at the gym, Intervo keeps you