Next Up - Interval Timer
Alysha Kwok Health & Fitness iPhoneiPadiPod touch
Next Up - Interval Timer is a free Health & Fitness app for iPhone and iPad by Alysha Kwok. Rated 4.7/5 from 2,833 ratings. Requires iOS 13.0.
- Rating
- 4.7
- 2.8K ratings
- Price
- Free
- on the App Store
- Size
- 22 MB
- Age 4+
- Updated
- Feb 15
- 2026 · v9.1.1
Screenshots
About Next Up - Interval Timer
Customize Your Intervals, Your Way A fully customizable interval timer: Create your intervals. Specify reps, sets, colours and sounds. Tailor it to your purpose and needs. Minimal design and easy to use. Options for rep-based intervals and images. Display options: Choose to run your timer in a detailed view that auto-scrolls through intervals or a full-screen mode for a larger, easily visible display. Both modes support portrait and landscape orientations. Visual details: In detailed view, running intervals and sets are highlighted, providing a clear visual cue. For intervals with multiple reps, the highlighted area indicates the percentage completed. Set optional background colours on intervals for a visual cue. Light and dark mode versions are available and will adapt to your preferences set on your device. Quick actions: Set an interim interval that will automatically be added between intervals. Optionally, end your timer with the interim interval. Skip or backtrack through intervals using intuitive arrow buttons. Swipe actions allow for easy deletion and duplication of intervals and sets. --- Interval Timer features: • Interval timers: Create timers with unlimited intervals. • Description, Length, and Reps: Set the details of each interval, customizing it to your precise requirements. • Interim Intervals: Quickly set up timers by adding interim intervals that run between each interval. • Interval Sets: Group intervals into sets and specify the desired number of set reps. • Interval Customization: Differentiate intervals with background colors. • Time Display: View countdown of each interval and total remaining time, with an option to display total elapsed time. • Progress and Highlighting: View progress with highlighted current intervals and reps completed. • Start from Any Interval: Choose which interval to start the timer from, providing maximum control. • User-friendly Actions: Effortlessly manage intervals with swipe actions for deletion and duplication. Duplicate button allows for easy copying of intervals, sets, and timers. Arrow buttons enable smooth navigation between intervals. • Background Notifications: Run timers in the background and receive alerts for interval changes and timer completion. • Organize with Folders: Create folders to organize and easily access your timers. • Orientation and Display: Enjoy portrait and landscape orientations, and full-screen mode for a larger timer display. • Light and Dark Mode: Seamlessly switch between light and dark mode to suit your preference. Upgrade features include: • Unlimited timers: Create as many timers as you like. • Sound Options: Enable countdown beeps, set interval/timer sounds, and/or enable text to speech. • Rep-based Intervals: Option to create intervals based on reps instead of time to offer maximum flexibility. • More Interval Customization: Differentiate intervals with images/photos and sounds. • Edit received timers: Flexibility to modify all timers. Subscription - syncing and sharing timers: • Sync and Share: Sync timers across devices and choose to share timers and folders with other users. Sharing via email includes a direct download link and instructions. --- Privacy Policy: https://alysha.dev/interval-timer-privacy-policy Terms of Use: https://alysha.dev/interval-timer-terms-of-use
Ratings & reviews
4.7
2.8K ratings
What’s new
Version 9.1.1 · Updated February 15, 2026
Quick fix. Additional fixes to the recently launched features.
App privacy
The developer, Alysha Kwok, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
Used for: Analytics, App Functionality
Alternatives to Next Up - Interval Timer
Looking for apps like Next Up - Interval Timer? Here are 6 similar apps on the App Store. The highest rated is Tabata Pro HIIT Interval Timer (4.9/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Next Up - Interval Timer | 4.7 / 5 (2,833 ratings) | Free | February 15, 2026 | |
| Interval Timer X Workout Timer | 4.8 / 5 (690) | Free | Jul 5, 2026 | Compare |
| Tabata Pro HIIT Interval Timer | 4.9 / 5 (17,670) | Free | Sep 17, 2026 | Compare |
| Exercise Timer: Interval Timer | 4.8 / 5 (1,025) | Free | Apr 25, 2026 | Compare |
| Intervals Pro: HIIT Timer | 4.8 / 5 (13,687) | Free | Sep 17, 2026 | Compare |
| Seconds Interval Timer | 4.7 / 5 (23,752) | Free | Oct 8, 2026 | Compare |
| Interval Timer: Run Walk, HIIT | 4.5 / 5 (535) | Free | Oct 6, 2026 | Compare |