IntervalTimer Duo
HIIT, Pomodoro & Yoga Timer
Free · In-App Purchases
NEW: Share timer presets via link! Alternate between two timers with set tracking. Live Activity on Lock Screen. Widgets for quick access. Perfect for HIIT and Pomodoro.
IntervalTimer Duo is a simple and easy-to-use interval timer app for iPhone and iPad that alternates between two customizable timers.
【Key Uses】
• HIIT (High-Intensity Interval Training)
• Pomodoro Technique (work and break cycles)
• Cooking timing management
• Stretching and yoga routines
• Study and rest cycle management
【Features】
• Automatically alternate between two timers
• Each timer adjustable from 1 to 60 minutes
• Preset feature to save and instantly recall favorite settings (1 preset free; unlimited presets: Premium)
• Share presets via link — let friends import your timer setup in one tap (Premium)
• Set counter to track progress toward your target sets (Premium)
• Audio notifications and vibration when timers end
• Live Activity shows remaining time on Lock Screen and Dynamic Island (Premium)
• Home screen widgets for quick timer access and control
• Customizable alert sounds (extra sounds: Premium)
• Simple and intuitive interface
【Preset Sharing】
• Share your favorite timer configurations via link
• Recipients can import presets with a single tap
• Sync routines with your team or workout partners
【Ease of Use】
• One-tap start, pause, and reset
• Quick time setting with preset buttons
• Visual circular progress bars show remaining time
• Second timer can be enabled/disabled as needed
• Set counter tracks completed sets toward your goal
【Free & Premium】
The app is free to download and use. After installing, all premium features are unlocked for a 14-day free trial. When the trial ends, premium features require a one-time purchase (pay once, use forever) — a Universal Purchase shared between iOS and macOS.
Free forever:
• Two timers running alternately (1 to 60 minutes each)
• One saved preset
• Basic alert sounds
• Audio and vibration notifications when timers end
• Circular progress bar
• Home screen widgets
Premium (one-time purchase, or during the free trial):
• Unlimited presets
• Preset sharing via link
• Set counter
• Additional premium alert sounds
• Live Activity on Lock Screen and Dynamic Island
【Compatibility】
• iOS 18.0 and later (iPhone and iPad)
• Available in English, Japanese, French, German, and Spanish
【Universal Purchase】
If you own the macOS version, you can use the iOS version at no additional cost.
A simple yet fully-featured interval timer app that's perfect for any timing needs.
Privacy Policy: https://techback.info/interval-timer/ios/privacy-policy.html
Terms of Use (EULA): https://techback.info/interval-timer/ios/terms-of-use.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
v1.2.2 — Stability improvements and refinements
• Fixed an issue where the Live Activity could occasionally become unstable when starting a timer
• Improved handling of purchase status (expiration and refunds)
• Added guidance about storage limits when importing presets
• Various bug fixes and stability improvements
The developer, kosuke konuma, 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
- Provider
- kosuke konuma
- Size
- 10.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 26.1 or later.
- iPhone
Requires iOS 26.1 or later. - iPad
Requires iPadOS 26.1 or later. - Mac
Requires macOS 12.0 or later. - Apple Vision
Requires visionOS 26.1 or later.
- iPhone
- Languages
English and 4 more
- English, French, German, Japanese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Full Version R59.99
- Copyright
- © 2026 nwpo