Interval Timer for Fitness
HIIT & Workout Timer
Free · In-App Purchases · Designed for iPhone. Not verified for macOS.
Perfect for HIIT, Tabata, and interval training! Track your workouts with Live Activities on your Lock Screen and Dynamic Island. Works reliably in the background.
A powerful, reliable interval training timer designed for HIIT, Tabata, circuit training, and any workout routine that requires precise timing.
PERFECT FOR YOUR WORKOUTS
Whether you're doing high-intensity interval training (HIIT), Tabata circuits, boxing rounds, or any custom workout routine, this timer keeps you on track with precision timing and multi-sensory cues.
KEY FEATURES
• Create Custom Presets
Build your perfect workout with warm-up, work, rest, and cool-down intervals. Configure duration, rounds, and save unlimited presets for quick access.
• Live Activity Support
See your workout progress right on your Lock Screen and Dynamic Island (iPhone 14 Pro+). No need to unlock your phone to check remaining time.
• Reliable Background Operation
The timer continues accurately when your phone is locked, backgrounded, or interrupted by calls. Wall-clock anchored timing prevents drift.
• Multi-Sensory Cues
Get notified when intervals change with:
- Voice announcements (optional)
- Haptic feedback patterns
- Audio tones
- Local notifications with controls
• Smart Notifications
Local notifications let you control your workout without opening the app. Skip, go back, or pause/resume directly from the notification.
• Works While Locked
Keep your phone locked during workouts. The timer runs reliably in the background with Live Activities showing your progress.
• Favourite Presets
Mark your go-to workouts as favourites for instant access. Perfect for recurring training sessions.
• Full Customisation
- Set rounds (1-99)
- Configure countdown before start (0/3/5 seconds)
- Toggle voice cues, haptics, and audio tones
- Choose silent switch behaviour
- Colour-code your intervals
• Export & Import
Share your workout presets with friends or back up your configurations as JSON files.
• Accessible Design
Full VoiceOver support, Dynamic Type, and high contrast design ensure everyone can use the timer effectively.
COMMON USE CASES
• HIIT Training
Perfect for high-intensity interval training with customisable work and rest periods.
• Tabata Workouts
Classic 20 seconds work, 10 seconds rest, 8 rounds configuration (and any variation you need).
• Circuit Training
Create complex workout circuits with different exercises and timing.
• Boxing & Martial Arts
Configure round timers with rest periods for boxing, kickboxing, or martial arts training.
• CrossFit & Functional Fitness
Design WODs (Workouts of the Day) with precise timing for EMOMs, AMRAPs, and more.
• Yoga & Stretching
Use for timed holds and transitions in yoga or flexibility routines.
• Running Intervals
Sprint intervals, tempo runs, or any running workout requiring timed segments.
DESIGNED FOR RELIABILITY
Unlike many timer apps that suffer from drift or fail when backgrounded, this app uses wall-clock anchored timing and proper iOS background modes to ensure accuracy. Your workout won't be interrupted by incoming calls, notifications, or switching apps.
PRO SUBSCRIPTION
Unlock premium features:
• Unlimited custom presets
• 20+ professional workout templates
• Custom categories
• Watch complications
Available as monthly (£2.99), yearly (£29.99), or lifetime (£99.99) subscription. Free trial available.
PRIVACY FOCUSED
No account required. No data collection. All presets stored locally with optional iCloud sync.
Whether you're a fitness enthusiast, personal trainer, or athlete, this timer provides the reliability you need for effective training.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Performance improvements and bug fixes.
The developer, Reuben Enterprises Ltd, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Reuben Enterprises Ltd
- Size
- 13 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later. - Apple Watch
Requires watchOS 11.6 or later.
- iPhone
- Languages
English and 3 more
- English, French, German, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime USD 49.99
- Yearly USD 22.99
- Monthly USD 1.99
- Copyright
- © 2026 Reuben Enterprises Ltd. All rights reserved.