
Details
About
This app provides a versatile interval timer for various training styles like HIIT and Tabata, integrating seamlessly with Apple Watch and iPhone. It offers detailed workout tracking, custom workout creation, and performance analytics to help users achieve their fitness goals.
What's New in Intervals
4.3
February 18, 2026
NEW! Detailed TRIMP 30 Days Chart (requires Pro) - Improved Workout editor - Improved Workout watch sync
MoreSubscription plans
All Pro features (yearly)
Get Statistics, History, Charts and more...
User reviews
Developer apps
FAQ
What is Intervals?
Intervals is a training timer app designed for HIIT, Tabata, and other interval-based workouts. It integrates with Apple Watch and iPhone to provide real-time tracking, custom workout creation, and performance analytics.
Does Intervals have ads?
No, Intervals does not contain advertisements. The app is free to use with optional Pro features available via subscription.
What devices does Intervals support?
Intervals is supported on both iPhone and Apple Watch. The workout feature requires an Apple Watch to track heart rate and training data.
How much does Intervals cost?
The base version of Intervals is free. Pro features are available through a subscription with options for monthly ($2.99/P1M) or yearly ($12.99/P1Y) plans, the latter including a 7-day free trial.
Can I create custom workouts in Intervals?
Yes, Intervals features a comprehensive workout editor that allows you to create custom workouts with blocks and steps for various interval structures like HIIT and Tabata. The Pro subscription offers an advanced editor with added warm-up and cooldown phases.
How does Intervals use my health data?
Intervals uses data from Apple Health (HealthKit) to display energy burned, record your workouts, and show your current heart rate. All workouts are saved in Apple Health for detailed insights.
What are the Pro features in Intervals?
Pro features include access to specialized timers for additional sports, an advanced workout editor, Apple Watch workout export, and enhanced statistics and history analysis. These features require a Pro subscription.
How often is Intervals updated?
Intervals was last updated on February 18, 2026, with version 4.3. The app is regularly updated to introduce new features and improvements.












