Interval Timer: HIIT & Gym

Build any interval workout from simple blocks.

Interval Timer: HIIT & Gym helps you create flexible timers for HIIT, boxing rounds, Tabata, circuits, yoga, strength training, warmups, cooldowns, and recovery sessions.

Instead of forcing you into one fixed format, the app lets you build your session from reusable blocks. Add work periods, rest periods, repeated groups, nested rounds, manual counting blocks, and custom sound cues to match the way you actually train.

BUILD INTERVAL WORKOUTS • Create Work, Rest, and Group blocks • Repeat groups for rounds, circuits, or sets • Nest groups for advanced workout structures • Add repetition-only blocks for manual counting • Drag and reorder blocks instantly • Set preparation time per workout • Save different timer styles for different workouts

MADE FOR HIIT, BOXING, TABATA & CIRCUITS Create classic interval sessions, boxing rounds, EMOM workouts, AMRAP circuits, strength supersets, yoga flows, stretching routines, or recovery timers. Whether your workout is simple or complex, you can build it your way.

CLEAR TIMER EXPERIENCE • Large, focused countdown display • Countdown beeps and round-end signals • Custom mid-round sound cues • Skip, previous, and next controls • Landscape support for focused training • Stopwatch and quick custom timer included

PERSONALIZE EVERY SESSION • Choose workout-end and block-end sounds • Add custom mid-round cues • Pick from multiple clean themes • Choose different ring styles, including segmented rings, rounded gaps, dot markers, unicolor rings, and inner-only designs

SHARE WORKOUTS EASILY • Share workouts by code • Export and scan QR codes • Import workouts from code, QR, or file • Send workout files to friends with premium

PRIVACY-FIRST • No account required • No subscription • Works fully offline • Your workout data stays on your device

FREE VERSION • Save up to 3 workouts • Use the core workout builder and timer • Share and import workouts • Access selected sounds, themes, and ring styles

PREMIUM - ONE-TIME PURCHASE • Unlimited saved workouts • All sounds • All themes • All ring styles • Advanced voice controls with text-to-speech

Create the exact interval timer your training needs - from quick HIIT sessions to full boxing rounds, circuit workouts, yoga flows, and custom recovery routines.