Fitness: Interval Timer
HIIT, Tabata & Circuit Timer
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Fitness is a customizable interval timer for HIIT, Tabata, circuit training, and your own fitness routines. Set the exercises, work intervals, rest periods, and repeats to fit your session.
A QUICK TIMER THAT REMEMBERS YOUR SETTINGS
Configure preparation time, work, rest, and repetitions, then press Start. Return to your everyday intervals without creating a saved workout.
START WITH A READY-MADE WORKOUT
Choose a Tabata routine or a functional fitness circuit, inspect its exercises, and adjust the timing to your needs.
BUILD AND SAVE YOUR OWN WORKOUTS
Combine exercises, preparation, rest, cooldowns, and repeat blocks in your own sequence. Adjust individual durations and repeat groups of steps. Save separate routines for different training days.
BROWSE EXERCISES OR CREATE YOUR OWN
Find exercises in the fitness library, read their instructions, and add them to your workout. Create custom exercises with your own name, description, and optional photo or video link.
CUSTOMIZE YOUR SESSION
Choose exercise icons and colors, rename steps, and arrange your sequence. Duplicate, move, copy, and paste exercises to build routines from steps you have already configured.
FOLLOW EVERY INTERVAL
See the current exercise, remaining interval time, next step, and time left in the workout. Pause and resume, restart, or move through the sequence. Choose sound cues for your session.
KEEP YOUR TIMER IN VIEW
Follow your workout with Live Activities on the Lock Screen and Dynamic Island. Use widgets to access your timer.
MAKE IT YOURS
Use light mode, dark mode, or your system appearance. Pick an accent color and customize workout and exercise icons.
REVIEW YOUR COMPLETED SESSION
See completed rounds, active time, rest time, total duration, and skipped time in your workout summary.
Use a quick timer for daily intervals or build a saved workout with your own exercises and timing. Fitness keeps your session in one place. This app provides a workout timer and exercise instructions; it does not provide coached video classes.
No ads. No paywall. No subscriptions.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Svyatoslav Boiko, 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
- Seller
- Svyatoslav Boiko
- Size
- 37.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
English and 11 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Ukrainian
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © hassle
