Intervalla

HIIT & Tabata Timer

Free · Designed for iPad. Not verified for macOS.

Tabata, AMRAP & custom intervals with live heart rate and audio cues that work with your screen locked. Free. No ads. No account required. Free. No ads. No account required. Intervalla is a precision interval timer built for serious training. Whether you follow the classic Tabata protocol, push through an AMRAP session, or design your own custom intervals — this app keeps you on pace with a clean, distraction-free interface. THREE TRAINING MODES • Tabata — 20s work / 10s rest with configurable rounds • AMRAP — As many reps as possible in one timed block • Custom — Set your own work, rest, rounds, warm-up and cool-down LIVE HEART RATE Connect any Bluetooth Low Energy heart rate monitor (Polar, Garmin, Wahoo, etc.) and see your BPM in real-time. Switch to HR mode for a live sparkline graph that tracks your intensity throughout the session. After your workout, get a full summary with avg/max/min BPM and time in each heart rate zone. WORKS WITH YOUR SCREEN LOCKED Put your phone in your pocket and train. Audio cues play reliably in the background, and your heart rate monitor stays connected — even with the screen off. DESIGNED FOR FOCUS • Circular progress ring with phase-specific colors • Distinct audio cues for work, rest, and transitions • Lock controls to prevent accidental taps mid-workout • Dark interface that's easy to read mid-workout SAVE YOUR FAVORITES Save up to 5 custom presets and start any workout with a single tap. Three built-in presets included to get you started immediately. AUDIO THAT WORKS Plays through the silent switch on iOS — never miss a cue. Different tones for work start, rest start, countdown, and workout complete. SHARE WORKOUTS Create a workout and share it with friends, training partners, or your community. One link opens a ready-to-run timer. COMPLETELY FREE No ads, no subscriptions, no account required. Just open and train. Built with care in Norway.

Ratings & Reviews

  • 5.0
    out of 5
    3 Ratings

Heart Rate Monitoring — Connect your Bluetooth heart rate monitor and see your BPM live during workouts. Switch to HR mode for a real-time sparkline, and get a post-workout summary with heart rate zones. Share & Import Workouts — Share your custom workouts as links. Friends can import them with one tap. Background Audio — Audio cues now play reliably with the screen locked. Your heart rate monitor stays connected too. Lock Controls — Lock the controls during a session to prevent accidental taps. New look and feel with the Intervalla rebrand.

Version 1.2.0

The developer, Ljosning, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Identifiers
    • Usage Data

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Provider
  • LJOSNING AS
Size
  • 3.1 MB
Category
  • Health & Fitness
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
Languages
  • English
Age Rating
4+
Copyright
  • © 2026 Ljosning AS
  • Developer Website
  • Privacy Policy