Intervals Pro vs Interval Timer for Fitness
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Intervals Pro
Create and follow custom interval training routines for various fitness activities. This app offers extensive customization for intervals, alerts, and goals, with seamless integration for Apple Watch and Apple Health.
- Highly customizable intervals (time/distance)
- Spoken interval names and prompts
- Standalone Apple Watch workouts
- Workout history with Apple Health
- Home screen widgets for quick launch
- Bluetooth heart rate monitor support
- Siri Shortcuts integration
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Custom Interval Training at its best for iPhone, Apple Watch and iPad. Featured by Apple and recommended by fitness instructors, personal trainers, marathon runners, and coaches. Let Intervals Pro guide you through any type of interval workout: HIIT, running, strength training, yoga, stretching, circuit training, boxing, MMA, elliptical, rehabilitation, meditation, 7-minute workouts, and many more. FEATURED BY • Apple - App of the Day in 132 Countries • Apple - Workout with Apple Watch, Quick HIIT Workouts • Women's Health Magazine • COACH Magazine • SixColors.com HIGHLIGHTS • Highly Customizable • Home Screen Widgets to quickly launch timers • Spoken interval names and prompts • Customizable alert sounds • Standalone Apple Watch workouts. Leave your iPhone at home! • Workout History using Apple Health data • View an Apple Watch workout live on your iPhone! • Run in the background with the screen locked • Play music or podcasts using the app of your choice • Bluetooth heart rate monitor support for Apple Watch or iPhone • Fill your Activity Rings • Siri Shortcuts • Share timers with friends • Time and Distance Goals • Running Pace and Heart Rate Targets • Auto pause and resume • Send completed workouts to Strava • Confetti! PERSONALIZE YOUR WORKOUT • Customize the Name, Duration, Alert, and Color for each interval • Customize Alert Sounds and Voice Prompts to guide you through your workout • Set a Countdown Alert and vibrations when the interval is about to end • Optional halfway alert • Set target heart rate ranges for each interval • Set time and distance goals FLEXIBLE INTERVAL DURATIONS • Time based (e.g., 45 seconds) • Distance-based (e.g., 0.5 MI or KM) • Count up intervals keep running until your ready for the next interval • Estimated time or distance. Count down time or distance to zero and then continue the interval, counting up until you're ready to move on. THE BEST APPLE WATCH INTERVAL TIMER • Leave your phone at home with our standalone Apple Watch app • Control your music or podcasts on the "Now Playing" screen • View an Apple Watch workout live on your iPhone • Alert Sounds and Voice Prompts to guide you through your workout • Configurable haptic alert countdown that taps you on the wrist when the interval is ending • Track heart rate, calories, distance, and pace • Route tracking for running, walking, and cycling • Workouts contribute to the Apple Watch Activity Rings WORKOUT HISTORY USING APPLE HEALTH • Intervals Pro has the best Apple Health integration of any interval training app • Track heart rate, calories, distance, and pace • Route tracking for running, walking, and cycling • Detailed stats for every interval • All your data is safely stored in Apple Health GREAT FOR RUNNING AND CYCLING • Interval duration can be set to either a specified time or distance • Display current pace, pace for the interval, or pace for the entire run • Configure heart rate ranges per interval • Analyze each interval of your run in the workout history MULTIPLE VOICES AND LANGUAGES • Select the language and voice to use for all spoken alerts. • Spoken alerts are localized to 10 languages. Chinese (simplified), Danish, Dutch, French, German, Italian, Norwegian, Polish, Spanish, and Swedish. Get Intervals Pro today, and your workouts will never be the same! SUBSCRIPTION INFO Intervals Pro is free to download and has a free timer. To create multiple timers and unlock all the features of the app, you may choose between a monthly or yearly auto-renewing subscription option. Upon confirmation of the purchase, payment will be charged to your credit card through your iTunes account. Subscription renews automatically unless canceled at least 24 hours before the end of the subscription period. Subscriptions can be managed and auto-renewal turned off in Account Settings in the App Store app. Privacy Policy and Terms of Service: https://intervalspro.com/privacy-policy.html
Interval Timer for Fitness
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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 • Countdown Cues Set multiple cues before each segment ends, with independent vibration and beep counts. Edit and preview cues on iPhone, then sync them to Apple Watch. Tap Start when ready and skip segments on either device. • 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 Timer progress stays accurate when you switch apps. Locked-screen countdown alerts depend on notification permissions and settings. The app shows when only part of a workout can be covered. Watch cue sounds use media volume. 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://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://reubenenterprises.com/privacy PRIVACY FOCUSED No account required. All your presets are stored locally on your device. Optional iCloud sync keeps your workouts backed up across your devices.
Screenshots
Verdict
The clearest difference is update cadence: Intervals Pro at weekly against Interval Timer for Fitness's every 3 weeks. Intervals Pro also leads on iOS requirement (17.5 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Intervals Pro sells 8 in-app purchases, starting at $2.99 per month and Interval Timer for Fitness sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Intervals Pro ships an update weekly, Interval Timer for Fitness every 3 weeks. The most recent releases landed on November 9, 2026 and October 24, 2026 respectively.
| Parameter | Intervals Pro | Interval Timer for Fitness |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (14K ratings) — better | — |
| Positive reviews | 84.5% of reviews | — |
| Number of ratings | 14K — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 17.5 — better | 26.0 |
| Further details — not scored | ||
| Size | 66 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Intervals, LLC | Reuben Enterprises Ltd |
Bugs and requests
Intervals Pro
Reported bugs
2 issues- Workout data not syncing correctly
- App crashes or freezes on certain devices
Requested features
3 requests- More customization options for interval displays
- Ability to batch delete or manage workout history
- Integration with more third-party fitness apps
Interval Timer for Fitness
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Intervals Pro
- Monthly Membership7 Days trial$2.991 Month
- Yearly Membership7 Days trial$19.991 Year
- Generous Tip$0.99
- Awesome Tip$1.99
- Massive Tip$4.99
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- Amazing Tip$9.99
- Intervals Pro (Legacy)$69.99
- Lifetime Access$69.99
Interval Timer for Fitness
- Monthly$1.991 Month
- Yearly$19.991 Year
- Lifetime$39.99
Questions
Is Intervals Pro free?
Is Interval Timer for Fitness free?
Do Intervals Pro or Interval Timer for Fitness have ads?
Which is updated more often, Intervals Pro or Interval Timer for Fitness?
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