IntervalTimer(x‪)‬ 4+

IntervalTimer — Custom Workouts, Real Results
Build a training routine that’s as unique as you are. IntervalTimer lets you create any interval sequence—HIIT, Tabata, EMOM, AMRAP, CrossFit WODs, sprints, yoga flows, rehab drills, meditation bells, study cycles—then coaches you through every rep with precision cues and beautiful share-ready summaries.

Why IntervalTimer?

Made by you, for you – customize blocks (Work, Rest, Cool-down, Configured) or input times manually. Name, color-code, reorder, and repeat sets in seconds.
Mobile-first design – a clean, distraction-free interface optimized for iPhone, Dynamic Island, and Live Activities.
Sound alerts – stay in the zone with subtle alerts, and on-screen progression bars.
Smart analytics – calories burned, total time, streaks, weekly / monthly charts, and Intentions Analysis to see how each workout feeds your goals.
Shareable recaps – tap Share to post a polished stat card to Messages, Instagram, Strava, or anywhere. Reciprocity fuels motivation.
Dark Mode ready – looks sharp in daylight or low-light gyms.
Offline & low-power friendly – perfect for outdoor runs, travel, and garage workouts.
Free & ad-supported – all core features are free today. Tastefully-placed ads will help keep development rolling (ad-free option coming).
Built for Every Training Style

Whether you’re chasing a 5-minute HIIT blast, a 45-minute CrossFit grinder, a focused study Pomodoro, or a gentle yoga flow, IntervalTimer adapts. Save unlimited presets, clone sessions, or import CSV templates from coaches.

Stay Motivated with Insight

• Calories & Heart Rate – track actual effort, not guesses.
• Performance Trends – week / month / quarter charts reveal progress and plateaus.
• Session Streaks – gentle nudges keep momentum alive.
• Intention Tags – label workouts Strength, Endurance, Calm, or create your own.

Privacy & Control

Your data lives on-device unless you choose to sync with Apple Health or share a recap. No hidden trackers.