Workout Timer: HIIT Interval
Kang Wen Chiang Health & Fitness iPhoneiPadiPod touchApple Watch
Workout Timer: HIIT Interval is a free Health & Fitness app for iPhone and iPad by Kang Wen Chiang. Requires iOS 17.0. Updated September 27, 2026.
- Price
- Free
- on the App Store
- Size
- 68 MB
- Age 4+
- Updated
- Sep 27
- 2026 · v1.2.1
Screenshots
About Workout Timer: HIIT Interval
Workout Timer is the ultimate interval training companion crafted specifically for iOS 17 and watchOS 10+. Whether you are crushing heavy sets in the gym, doing high-intensity Tabata at home, or running EMOM CrossFit circuits, Workout Timer eliminates distractions so you can focus entirely on the burn. [WHY YOU WILL LOVE WORKOUT TIMER] [Interactive Lock Screen & Dynamic Island] Sweaty hands? Phone mounted across the gym? Control your entire workout directly from the Lock Screen or Dynamic Island with zero phone unlock required. [Standalone Apple Watch App & Bilateral Sync] Fully untethered workout freedom. Precise Taptic haptics buzz your wrist on 3, 2, 1, while HealthKit tracks your heart rate and closes your Apple Fitness rings. [PRO Guided Video Loops (10-Min Core Abs)] Experience Apple Fitness+ quality workout guidance. Every exercise features continuous posture loops and automatically previews the next exercise during rest periods. [Multilingual Voice Coaches & Audio Ducking] Train with coaches in English, Spanish, and Chinese. Listen to your favorite workout playlist on Spotify or Apple Music - audio levels automatically duck when the coach speaks. [One-Time Purchase - No Subscriptions!] We believe in fair software. Unlock the full program once and keep lifetime access forever across all your devices. [PERFECT FOR] - Tabata Protocols (20s Work / 10s Rest) - High Intensity Interval Training (HIIT) - EMOM & CrossFit WODs - Strength Training & Weightlifting Rest Timers - Boxing, MMA & Martial Arts Rounds Download Workout Timer today and make every second count!
What’s new
Version 1.2.1 · Updated September 27, 2026
Version 1.2.1 - Core Improvements and Performance Polish: - 10-Min Abs Core Program (PRO): Official launch! Certified trainer HD video loops with automatic Next-Move previews during rest. Pay once, own forever with Family Sharing. - Apple Watch Sync Enhancements: Improved bilateral connection stability, live heart rate tracking, and haptic response between Apple Watch and iPhone. - In-App UI Polish: Clean in-app version info display in Settings and optimized countdown transitions. - Multilingual Support: Complete localized experiences across English, Traditional Chinese, Simplified Chinese, and Spanish.
App privacy
The developer, Kang Wen Chiang, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Workout Timer: HIIT Interval
Looking for apps like Workout Timer: HIIT Interval? Here are 6 similar apps on the App Store. The highest rated is Setlist Strength Log (5.0/5), and all 6 are free to download.
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Ironbook: Workout Log
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Setlist Strength Log
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Daymoon: Baby Sleep Sounds
5.0
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CoachFit
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Just Weigh
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Step Sergeant
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Workout Timer: HIIT Interval | – | Free | September 27, 2026 | |
| Ironbook: Workout Log | – | Free | Sep 29, 2026 | Compare |
| Setlist Strength Log | 5.0 / 5 (3) | Free | Oct 14, 2026 | Compare |
| Daymoon: Baby Sleep Sounds | 5.0 / 5 (2) | Free | Oct 6, 2026 | Compare |
| CoachFit | – | Free | Sep 28, 2026 | Compare |
| Just Weigh | – | Free | Sep 26, 2026 | Compare |
| Step Sergeant | – | Free | Oct 4, 2026 | Compare |