Interval Workout & HIIT Timer
Exercise Train Fitness Repeat
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
The simplest timer for HIIT, Tabata, stretch, and yoga. Set your interval, rest gap, and gym clock to focus on your recovery, mobility, and calm.
Stop checking your watch or counting seconds in your head. Join over 1 million happy users who have turned their fitness habits into reality. Whether you are pushing through a grueling HIIT session, conquering a Tabata circuit, or holding a deep stretch, this minimalist interval timer handles the clock so you can focus on the work.
Consistency is key. From flexibility training and active recovery to high-intensity intervals, we handle the timing so you can keep your mind calm and handle the effort.
KEY FEATURES:
Multiple Timer Modes: Instantly switch between dedicated Tabata, HIIT, and standard interval modes to perfectly match your routine.
Effortless Controls: Quickly dial in your intervals, rest periods, and rounds with simple tap-and-go presets. No complex programming required.
Smart "Gap" Timer: The unique "Interval Gap" feature gives you exactly enough time to switch sides, change equipment, or move into the next pose. Set a custom transition buffer so you never feel rushed.
Focus-Friendly Feedback: Choose gentle audio cues to guide you without looking at the screen, or haptic vibrations for a silent experience perfect for the gym or late nights.
Seamless iOS Integration: Keep an eye on your progress anywhere with full support for Live Activities on the Lock Screen and Dynamic Island.
Background Notifications: Your timer keeps running perfectly, sending you notifications even if the app is in the background.
PERFECT FOR:
HIIT & Tabata: Crush your high-intensity intervals with precise work, rest, and count-in periods.
Yoga & Flexibility: Maintain your yoga asanas consistently and improve your overall flexibility without breaking focus.
Stretching & Recovery: Hold a static stretch for the exact right amount of time to aid in muscle recovery.
Physical Therapy (PT): Manage rehab exercises with precision.
Mobility Work: Open up hips, shoulders, and hamstrings with ease.
SIMPLE BY DESIGN
We believe fitness tools shouldn't be complicated. Experience a calm, clutter-free interface with no confusing menus and no distractions. Just clean, simple controls that help you build a better habit.
Ratings & Reviews
Enhancements
The developer, Massive Interface LLC, 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
- Massive Interface LLC
- Size
- 16.1 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.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Home and Lock Screen Support $0.99
- Live Activities and Dynamic Island $1.99
- Copyright
- © Massive Interface, LLC