INTVL – Interval Timer

INTVL is the interval timer built for athletes who demand precision.

Whether you're crushing a HIIT session, powering through Tabata rounds, or timing your boxing drills — INTVL keeps you in the zone with clear audio cues, voice coaching, and haptic feedback so you never miss a beat.

PRECISION TIMER
Frame-perfect countdown with color-coded intervals. Large, high-contrast display visible from across the room. Loud audio cues that cut through gym noise. Haptic vibrations so you can feel every transition. Background mode keeps the timer running even when your phone is locked.

DRAG & DROP WORKOUT BUILDER
Design custom workout sequences with an intuitive drag & drop interface. Add work, rest, prepare, and cooldown phases. Set rounds, adjust durations, and preview your total workout time — all before you start. Save unlimited presets for your favorite routines.

VOICE COACH
Built-in voice coaching announces interval changes, countdowns, and motivational cues. Adjustable speech rate and language-aware — speaks in your device language. Train without looking at your screen.

WORKOUT LIBRARY
Browse preset workouts across HIIT, Tabata, Cardio, Strength, and Yoga categories. Filter by intensity level and duration. Start any workout in seconds, or use presets as templates to customize.

QUICK SETUP
Not ready for the builder? Use Quick Setup to configure work time, rest time, and rounds in 3 taps. Perfect for simple interval sessions.

ANALYTICS & STREAKS
Track your workout history with detailed stats. See calories burned, total work time, and rounds completed. Maintain consistency streaks and visualize your weekly training trends. Stay motivated with insights into your progress.

DESIGNED FOR FOCUS
Pure black OLED-optimized interface designed for zero distraction during intense training. Color-coded phases — green for work, blue for rest, yellow for prepare, orange for cooldown — let you know what's coming at a glance.

BUILT FOR EVERY ATHLETE
Perfect for HIIT, CrossFit, Tabata, boxing, MMA, circuit training, running intervals, cycling, rowing, yoga flows, stretching routines, and any activity that needs precise timing.

INTVL PRO
Unlock the full experience with a free trial:
• Unlimited custom timer presets
• Full workout library access
• Advanced analytics and insights
• Priority support

Download INTVL and take control of your training. Your next personal best starts now.

INTVL Pro – Yearly Subscription
- Full access to all features
- Unlimited interval workouts & custom timers
- Auto-renews yearly – cancel anytime in iPhone Settings

Privacy Policy: https://intvltimer.app/privacy-policy
Terms of Use (EULA): https://intvltimer.app/terms-of-use