Interval Workout & HIIT Timer
Massive Interface LLC Health & Fitness iPhoneiPadiPod touch
Interval Workout & HIIT Timer is a free Health & Fitness app for iPhone and iPad by Massive Interface LLC. Rated 5.0/5 from 1 ratings. Requires iOS 26.2.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 17 MB
- Age 4+
- Updated
- Sep 29
- 2026 · v2026.09.3
Screenshots
About Interval Workout & HIIT Timer
Time HIIT workouts, Tabata rounds, stretches, and yoga holds with custom work, rest, and transition intervals. Set your routine and follow the cues so you can focus on each movement. 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. INTERVAL TIMER PRO The standard Interval Timer is free. HIIT, Tabata, and Live Activities / Dynamic Island require Interval Timer Pro, available as a weekly auto-renewing subscription or a one-time lifetime purchase. Eligible new subscribers can try the weekly plan free for 3 days. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://stretchytimerdotcom.onrender.com/privacy.html
What’s new
Version 2026.09.3 · Updated September 29, 2026
Bug fixes and performance improvements.
App privacy
The developer, Massive Interface LLC, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Interval Workout & HIIT Timer
Looking for apps like Interval Workout & HIIT Timer? Here are 6 similar apps on the App Store. The highest rated is SimplyTimer-Interval Timer App (5.0/5), and all 6 are free to download.
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Stretch Timer - Flexibility
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Rest Timer - WaitWaitGo!
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IRG Physical & Hand Therapy
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OMEGA BENEFIT STRATEGIES
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SimplyTimer-Interval Timer App
5.0
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Simple Stretch Timer
4.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Interval Workout & HIIT Timer | 5.0 / 5 (1 rating) | Free | September 29, 2026 | |
| Stretch Timer - Flexibility | – | Free | Mar 20, 2026 | Compare |
| Rest Timer - WaitWaitGo! | 4.9 / 5 (18) | Free | Jan 14, 2025 | Compare |
| IRG Physical & Hand Therapy | 4.0 / 5 (2) | Free | Jun 17, 2026 | Compare |
| OMEGA BENEFIT STRATEGIES | 4.1 / 5 (31) | Free | Sep 5, 2026 | Compare |
| SimplyTimer-Interval Timer App | 5.0 / 5 (3) | Free | Apr 6, 2026 | Compare |
| Simple Stretch Timer | 4.8 / 5 (24) | Free | May 27, 2025 | Compare |