Intervals One: Interval Timer
Ninety Six Software Ltd Health & Fitness iPhoneiPadiPod touch
Intervals One: Interval Timer is a free Health & Fitness app for iPhone and iPad by Ninety Six Software Ltd. Requires iOS 17.0. Updated September 26, 2026.
- Price
- Free
- on the App Store
- Size
- 64 MB
- Age 4+
- Updated
- Sep 26
- 2026 · v1.0.2
Screenshots
About Intervals One: Interval Timer
Intervals One – Your Interval Training Coach The interval timer designed for real workouts. Crystal-clear voice guidance, effortless setup, and intelligent features that adapt to how you train. No clutter. No complexity. Just smart interval training that helps you build better workouts and stay focused. TWO MODES. INFINITE POSSIBILITIES. Simple Mode: Perfect for quick sessions. Set your timing for all exercises at once, hit start, and let the voice guidance coach you through every phase. Ideal for consistent HIIT, Tabata, circuits, or bodyweight training. Premium users can customize each exercise stage with specific movements, reps, and effort levels. Advanced Mode: Complete control. Customize every exercise with individual timings per round, choose specific movements from our exercise library, set rep targets or effort levels, and build structured training programs that match your goals. WHY ATHLETES CHOOSE INTERVALS ONE Clear Voice Coaching: Professional voiceovers - announce every phase, exercise, and transition. Train eyes-free with clear, motivating guidance that keeps you in the zone. Intuitive Design: Create workouts in seconds with our distraction-free interface. No complicated builders or endless menus - just fast, focused setup that gets you moving. Works Everywhere: Train offline, indoors, or outdoors. No internet required once downloaded. Works perfectly with AirPods, speakers, or silent mode with haptics. PERFECT FOR - HIIT & Tabata intervals - AMRAP (As Many Reps As Possible) - Circuit training - Bodyweight workouts - Strength & conditioning - Cardio intervals - Functional fitness - CrossFit-style training SMART COACHING FEATURES - Next exercise cues so you're always prepared - Halfway alerts to pace yourself - Round completion announcements - Customizable countdown timers - Haptic feedback for silent training - Adjustable audio cues - Round recovery periods PRIVACY FIRST Your workout data stays yours. No account required. Optional iCloud sync keeps your workouts and history private and secure across your devices. START FREE Get unlimited basic interval workouts with full timing customization and premium voice guidance - completely free. Upgrade to Premium when you're ready for exercise selection, rep tracking, and advanced per-round customization. Download Intervals One and experience smarter interval training today. Privacy Policy: https://www.ninetysixsoftware.co.uk/hiit-privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.0.2 · Updated September 26, 2026
• Refreshed voiceovers for every exercise • Smarter workout name suggestions with Apple Intelligence, now with improved quality on iOS 27 • Faster, more reliable iCloud sync • Bug fixes and performance improvements
App privacy
The developer, Ninety Six Software Ltd, 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:
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Analytics
Alternatives to Intervals One: Interval Timer
Looking for apps like Intervals One: Interval Timer? Here are 6 similar apps on the App Store. The highest rated is Lenjo: AI Fitness Coach (5.0/5), and all 6 are free to download.
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IntervalFlow: HIIT Timer
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Lenjo: AI Fitness Coach
5.0
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HealthMirror: Auto Sync
5.0
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Rest: Gym Timer & Workout Log
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HIIT Timer Pro – Intervals
5.0
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Gym Timer: Workout & Get Ready
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Intervals One: Interval Timer | – | Free | September 26, 2026 | |
| IntervalFlow: HIIT Timer | – | Free | Sep 21, 2026 | Compare |
| Lenjo: AI Fitness Coach | 5.0 / 5 (1) | Free | Oct 20, 2026 | Compare |
| HealthMirror: Auto Sync | 5.0 / 5 (1) | Free | Jun 18, 2026 | Compare |
| Rest: Gym Timer & Workout Log | – | Free | Oct 23, 2026 | Compare |
| HIIT Timer Pro – Intervals | 5.0 / 5 (1) | Free | Jun 14, 2026 | Compare |
| Gym Timer: Workout & Get Ready | – | Free | Sep 9, 2026 | Compare |