Interval Timer □ HIIT Timer vs Interval Timer ++
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer □ HIIT Timer
Create custom workout timers with adjustable intervals for exercise and rest. Track your progress with detailed history and statistics, and repeat past workouts easily. Enjoy audio cues without interrupting your music.
- Customizable intervals
- Workout and rest timers
- Voice or beep guides
- Background audio support
- Workout history and statistics
- Repeat previous workouts
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A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you workout. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support' inside the app and let us know! We are always trying to improve Interval Timer This app includes an optional auto-renewable subscription (Premium Pass): Premium Pass beings with a free trial period, then an auto-renewable monthly subscription when trial ends. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hrs before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms
Interval Timer ++
This app provides a customizable interval timer for high-intensity interval training (HIIT) and circuit workouts. Easily set up work, rest, and repeat intervals, track your progress, and integrate with your health data. Enjoy your workouts with background music and notifications.
- Customizable work/rest/repeat intervals
- Supports iPhone and Apple Watch
- Workout history in calendar view
- Health app integration (HealthKit)
- Background notifications
- Listen to music during workouts
- Premium timers for mixed fitness types
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Award-winning app for your daily workouts! Simple set up, intense workout: *** One touch to set up Workout, Rest, and Repeat. *** Supports both iPhone and Apple Watch *** Colorful design, to give you some eye candy while working hard *** Multiple timers for easy access and training *** Premium timers where different fitness types are mixed *** Background notification, so you can keep working out while browsing other apps, or even when screen is locked *** Listen to your favorite music while working out *** See your workout history in calendar view Health App Integration We integrate with the health app (HealthKit) to read and track your steps data and show them in a beautiful way. Feature details: - Workout duration: 2 seconds to 8 minutes - Rest duration: 0 seconds to 8 minutes - Repeat: 20 times (50 times if purchased Premium Subscription) - Premium timers: mix fitness types, including Planks, Jumping Jack, Push Ups, Sit Ups, High Knees, Side Planks, Butt Kicks, Side Lunges, Lunges, etc. - Multiple timers for quick access - Name your timers - Swipe-to-delete timers - Drag-n-drop to reorder custom timers - 10 seconds count down, so you can get into workout position - Count down sound before next workout starts, for you to recover position - Pause and resume workout at any time - Reset at any time if workout was interrupted - Calendar view: shows your work/rest/repeat sessions - Listen to your favorite music in background, while working out the Interval Timer in foreground - Background music will be tuned down when playing workout sounds - Vibration / Haptic feedbacks between workout and rest - Ability to mute all workout sound Users say good works after usage: "I love the simplicity and ease of use of this app. It is almost exactly what I am looking for." "No frills or gimmicks, this app gives it to you straight, which is how interval timers should work IMO." "An eye-candy for your tough workouts." "Mind-blowing on how easy it is to use." "Simple. Does EXACTLY what you need." Also checkout our awesome demo video on Youtube: https://www.youtube.com/watch?v=gO_z8mN1asU Interval Timer Pro (In App Purchase): - Create unlimited number of timers for easy access - Use our premium timers - Repeat workout for more than 20 times • You can subscribe for Interval Timer Pro inside the app; subscriptions are billed monthly or annually at the rate selected depending on the subscription plan. • Alternatively a one-time payment plan is available (this is not a subscription). • Payment will be charged to your iTunes account at confirmation of purchase. • Subscriptions will automatically renew unless auto-renew is cancelled at least 24 hours before the end of current period. • Your account will be charged according to your plan for renewal within 24 hours prior to the end of the current period. • You can manage or turn off auto-renew in your Apple ID account settings at any time after purchase. • To manage your subscriptions or turn off auto-renewal: - Go to Settings > iTunes & App Store - Tap your Apple ID at the top of the screen - Tap View Apple ID. You might need to sign in or use Touch ID. - Tap Subscriptions. - Tap the subscription you want to manage. - Use the options to manage your subscription. • No cancellation of the current subscription is allowed during the active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. We take the security of our customers very seriously. Read our Terms of Service at https://sunnystudio.wordpress.com/2018/08/03/interval-timer-terms-of-us/ and our Privacy Policy at https://sunnystudio.wordpress.com/2018/07/31/interval-timer-privacy-policy/ Attributions: Lock by Maxim Kulikov from the Noun Project Premium by Gregor Cresnar from the Noun Project
Screenshots
Verdict
The clearest difference is ads: Interval Timer □ HIIT Timer at none against Interval Timer ++'s shown. Interval Timer □ HIIT Timer also leads on ratings volume (86K vs 15K). Interval Timer ++'s advantage is review sentiment (78% vs 61%) and iOS requirement (12.0 vs 15.6). On price, rating, update cadence and in-app purchases 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. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month and Interval Timer ++ sells 8 in-app purchases, starting at $0.99 per 2 months. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Interval Timer □ HIIT Timer against 4.8 for Interval Timer ++. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 86K ratings behind it against 15K, so its average is the more settled of the two. Written reviews are what separate them: 61% of Interval Timer □ HIIT Timer's written reviews are positive against 78% of Interval Timer ++'s.
Interval Timer □ HIIT Timer ships an update every 5 weeks, Interval Timer ++ every 3 weeks. Both last shipped on September 24, 2026.
| Parameter | Interval Timer □ HIIT Timer | Interval Timer ++ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (86K ratings) | 4.8 (15K ratings) |
| Positive reviews | 60.7% of reviews | 78.0% of reviews — better |
| Number of ratings | 86K — better | 15K |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Float Tech, LLC | Sunny Studio |
Customer experience
Interval Timer □ HIIT Timer
Interval Timer ++
User reviews
Interval Timer □ HIIT Timer
From 86K App Store ratingsWhat we love
- 🚀 Simple and easy to use
- 👍 Customizable settings
- 🚀 Intuitive interface
- 🚀 Effective for HIIT workouts
- 👍 Helpful voice prompts
Room to improve
- 🔒 Requires subscription after limited free use
- 🐛 Music volume issues with voice prompts
- 🐛 Inconsistent behavior when switching apps
- 🐛 Lack of final workout notification
Interval Timer ++
From 15K App Store ratingsWhat we love
- 👍 Simple and intuitive interface
- 🚀 Straightforward interval timer functionality
- 💡 Customizable timers and workouts
- 🔒 No ads or in-app purchases required
Room to improve
- 🐛 Inconsistent sound and volume issues
- 🐛 Bugs with timer functionality and data sync
- 🔋 High battery consumption when running in background
- 🚫 Limited customization options for timers and workouts
Bugs and requests
Interval Timer □ HIIT Timer
Reported bugs
3 issues- Timer not always accurate
- Favorites/saved workouts feature not working
- Inconsistent behavior when pausing/resuming
Requested features
3 requests- Ability to save and name custom workouts
- More flexibility in exercise/rest time settings
- Option to adjust volume of voice prompts
Interval Timer ++
Reported bugs
3 issues- Timers not working correctly after app updates
- Custom timers not saving or syncing across devices
- Unexpected pausing or stopping of timers during use
Requested features
4 requests- Ability to name and save custom workouts
- Option to adjust rest time for individual exercises
- Countdown beeps or voice cues during intervals
- Integration with Apple Watch and other fitness devices
In-app purchases
Interval Timer □ HIIT Timer
- Premium Pass7 Days trial$1.991 Month
- Premium Pass7 Days trial$2.991 Month
- Lifetime Pass$14.99
- Lifetime Pass$19.99
- Premium Forever Promo$29.99
Interval Timer ++
- Interval Timer Pro7 Days trial$0.992 Months
- Interval Timer Pro3 Days trial$0.997 Days
- Interval Timer Pro$1.997 Days
Show 2 moreShow fewer
- Interval Timer Pro3 Days trial$1.991 Month
- Interval Timer Pro for a Year7 Days trial$5.991 Year
- Premium Timer for One Week$2.99
- Premium Timer for One Year$7.99
- Premium Timer for Entire Life$8.99
Questions
Is Interval Timer □ HIIT Timer free?
Is Interval Timer ++ free?
Which has better reviews, Interval Timer □ HIIT Timer or Interval Timer ++?
Do Interval Timer □ HIIT Timer or Interval Timer ++ have ads?
Which is updated more often, Interval Timer □ HIIT Timer or Interval Timer ++?
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