ClearHiiT: Interval Timer
Tabata, Treadmill & Circuit
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
Treadmill pace guidance, voice cues over your music, folders per client — one time purchase, no subscription, ever.
**HIIT Timer** is a clean, reliable interval timer built for serious workouts. Whether you're training yourself or coaching others, HIIT Timer keeps every workout on track without distractions.
Train with HIIT, Tabata, running intervals, circuit training, treadmill sessions, or indoor cycling. Build, organise, and complete every workout with confidence.
No clutter. No subscriptions. Just your workout, on time, every time.
Organise Your Workouts
Keep your workouts organised with folders. Group sessions by training style, fitness goal, or athlete, and create separate workout libraries for yourself, clients, friends, or family.
Build Better Workouts
Create a workout in seconds with quick-start presets, or build one from scratch with complete control over every interval. Set warm-ups, work intervals, recovery periods, cooldowns, and transitions exactly how you want them.
Train Without Interruption
Press Start and focus on your workout while clear voice prompts guide you through every transition.
Audio cues and extended voice prompts play over your music, podcast, or audiobook, so you always know what's coming next without constantly checking your screen.
Choose Your Workout Mode
**Standard**
A flexible interval timer for HIIT, Tabata, strength training, boxing, rowing, bodyweight workouts, and more.
**Treadmill**
Set target speed and incline for every interval, so you always know exactly what to set for each work or recovery phase.
**Circuit**
Name every exercise and follow your circuit without having to remember what's next.
**Spin**
Set target difficulty and power for every interval, giving each effort a clear goal.
Train With Confidence
Lock your phone, put it in your pocket, and focus on your workout. HIIT Timer continues running reliably in the background, delivering every cue when you need it.
When the final interval ends, all that's left is the satisfaction of finishing a great workout.
Train From Your Wrist
With the Apple Watch app, start and follow workouts directly from your wrist, with live synchronisation to your iPhone.
Features
• Organise workouts into folders
• Create separate workout libraries for yourself, clients, friends, or family
• Unlimited custom workouts
• Quick-start workout presets
• Full control over every workout phase
• Four workout modes: Standard, Treadmill, Circuit, and Spin
• Per-interval treadmill speed and incline guidance
• Named exercises for circuit workouts
• Per-interval difficulty and power targets for Spin workouts
• Extended voice prompts and audio cues over your music
• Minimal voice prompts option
• Countdown flash before every interval
• Reliable background timing with the screen locked
• Apple Watch app with live iPhone synchronisation
• Tidal and Daybreak themes
• Available in English, Spanish, and French
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
improved onboarding and personalisation
The developer, George Gaskin, 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
- George Gaskin
- Size
- 33.3 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
English and 2 more
- English, French, Spanish
- Age Rating
13+
- 13+
- In-App Purchases
Yes
- Lifetime Unlock $3.99
- Copyright
- © 2026 - George Gaskin