# Interval Timer for Fitness — HIIT & Workout Timer > HIIT & Workout Timer (iPhone/iPad app by Reuben Enterprises Ltd.) - Source: https://appshunter.io/ios/app/interval-timer-for-fitness/id6753744662 (this page in markdown: same URL + `.md`) - Developer: [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) - Category: Health & Fitness, Sports - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 18.6 · 12 MB - Languages: American English, French (France), German (Germany), European Spanish - Released: 2025-10-08 - Data updated: 2026-06-02 - User reviews in markdown: https://appshunter.io/ios/app/interval-timer-for-fitness/id6753744662/reviews.md ## What is Interval Timer for Fitness? 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. • Favorite Presets Mark your go-to workouts as favorites for instant access. Perfect for recurring training sessions. • Full Customization - Set rounds (1-99) - Configure countdown before start (0/3/5 seconds) - Toggle voice cues, haptics, and audio tones - Choose silent switch behavior - Color-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 customizable 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 Upgrade to PRO to unlock premium features: • Unlimited custom presets (free users get 5) • Access to 20+ professional workout templates (free users get 5) • Custom categories and organization • Watch complications • Priority for future features PRO is available as a monthly subscription ($2.99/month), yearly subscription ($29.99/year - best value), or lifetime purchase ($99.99). Free trial available. Cancel anytime. Terms: https://your-terms-url.com Privacy: https://your-privacy-policy-url.com PRIVACY FOCUSED No account required. No data collection. All your presets are stored locally on your device. Optional iCloud sync keeps your workouts backed up across your devices. Whether you're a fitness enthusiast, personal trainer, or athlete, this interval timer provides the reliability and features you need for effective training sessions. ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly | $1.99 | per month | | Yearly | $19.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime | $39.99 | one-time | ## Version history (last 5 releases) ### 1.7 — 2026-03-03 Performance improvements and bug fixes. ### 1.6 — 2026-03-02 Performance improvements and bug fixes. ### 1.5 — 2026-02-11 • NEW: PRO Subscription with premium features • Unlimited custom presets for PRO users • Access to 20+ professional workout templates • Custom categories and organization • Improved onboarding experience • Bug fixes and performance improvements ### 1.4 — 2026-01-21 Bug fixes and performance improvements. ### 1.3 — 2026-01-13 Thanks to a report from a user we were able to fix an issue with importing presets. ## Apps similar to Interval Timer for Fitness | App | Rating | Price | Category | | --- | --- | --- | --- | | [Japanese Walking - SlimWalk](https://appshunter.io/ios/app/japanese-walking-slimwalk/id6752240156) | — | Free | Health & Fitness | | [Tap Timer: Activity for Watch](https://appshunter.io/ios/app/tap-timer-activity-for-watch/id6743085630) | 4.0 (2) | Free | Health & Fitness | | [FitRounds: Workout Interval](https://appshunter.io/ios/app/fitrounds-workout-interval/id6753344041) | — | Free | Health & Fitness | | [Tabata Timer: Interval Timer X](https://appshunter.io/ios/app/tabata-timer-interval-timer-x/id6749190383) | — | Free | Health & Fitness | | [Interval Timer - HIIT, Tabata](https://appshunter.io/ios/app/interval-timer-hiit-tabata/id6749797849) | 5.0 (2) | Free | Health & Fitness | | [workout timer: HIIT assistant](https://appshunter.io/ios/app/workout-timer-hiit-assistant/id6741708343) | — | Free | Health & Fitness | ## More apps by Reuben Enterprises Ltd - [LM26](https://appshunter.io/ios/app/lm26/id1165414488) - [uPrint Orders](https://appshunter.io/ios/app/uprint-orders/id1220757133) - [ChoiceMate](https://appshunter.io/ios/app/choicemate/id6743768776) - [Gym LiftTracker](https://appshunter.io/ios/app/gym-lifttracker/id6743951268) - [Your Daily Affirmations](https://appshunter.io/ios/app/your-daily-affirmations/id6744158651) All apps by Reuben Enterprises Ltd: https://appshunter.io/developer/1804593784 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*