Ntrvl
Interval and HIIT Timer
Free · Designed for iPhone. Not verified for macOS.
Get to work in seconds with built-in presets and saved workouts. Set your intervals, hit start, and focus on the work. Now with an Apple Watch companion.
Ntrvl is an interval timer for iPhone and Apple Watch. Set up your workout in seconds and go. Haptic feedback, audio cues, and color changes keep you locked in without needing to look at your phone. Whether it's HIIT, circuit training, Tabata, or a simple work/rest routine, Ntrvl handles the timing so you can handle the work.
Every workout can be tracked on Apple Watch and automatically saved to Apple Health, including active calories, heart rate, and workout duration.
Start fast with built-in presets for Tabata, HIIT, EMOM, and Nordic 4x4 or build your own from scratch. Save up to 10 custom workouts and reorder them however you like so your go-to sessions are always one tap away.
- Customizable work and rest intervals
- Built-in presets: Tabata, Nordic 4x4, HIIT, EMOM
- Save up to 10 custom workouts
- Apple Watch companion with full workout controls
- Workout tracking with automatic Apple Health sync
- Drag-to-set time controls
- Haptic, audio, and visual interval cues
- Background audio support (keep your music playing)
- Clean, glanceable interface
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, BRETT GOWERS RODGERS, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- BRETT GOWERS RODGERS
- Size
- 11.5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.2 or later.
- iPhone
Requires iOS 26.2 or later. - Mac
Requires macOS 26.2 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.2 or later. - Apple Watch
Requires watchOS 26.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 | Brett Rodgers