Tabata Timer and HIIT Timer vs Interval(x)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tabata Timer and HIIT Timer
This interval training app automates your exercise, rest, and cooldown periods for various workouts like Tabata, HIIT, and sprints. It offers customizable intervals, voice guidance, and music integration to enhance focus and workout efficiency. Track your progress with Apple Health integration.
- Automated exercise and rest intervals
- Customizable workout presets
- Voice and beep guidance
- Music integration
- Apple Health support
- Color-coded display
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Tabata Stopwatch Pro is the ultimate Tabata Interval Timer that works for 'all' your interval training needs. You can use it with Tabata, HIIT, kettlebells, bodyweight exercises, interval running, sprints, etc. Tabata Stopwatch Pro is a universal (both iPhone and iPad) feature packed interval timer for people who follow the Tabata training method. The main thing the Tabata app will aid you with is automating your exercise, rest, cooldown and other intervals. As simple as this sounds, it has a profound effect on your workout. You will be able to concentrate much better, won’t have to constantly count and honestly the whole workout just goes by faster. Try it with your Tabata, HIIT, kettlebells, bodyweight exercises, interval running, sprints, and other workouts. Designed with both beginners and advanced users in mind Tabata Stopwatch Pro comes ready to use with basic Tabata already set up for you. As you gain more experience you can customize all intervals to match your pace. You may even create and store your own interval presets to quickly change to different workouts. The app is loaded with beeps that help identify what part of a workout you are in, interval beeps for example tell you when a new interval has started. Tabata Stopwatch Pro also has voice support that announces intervals to further help you focus on your workout. Oh and what would an exercise app be without music, select your favorite tracks and enjoy that workout. The Apple Health app is supported and the Tabata app will write your workout times, calorie burned estimates and heart rates (needs a heart rate monitor and Pro purchase) after each workout. By far the best app for Tabata training available for your iPhone and iPad, this Tabata Timer app is well over a decade old with millions of downloads worldwide. Try out TSP you might really like it. Doesn't Include: - The free version limits the number of workouts every 7 days. - Self support with FAQs available on the help page linked below. Includes: + Pro grade Tabata timer. + Ready to use out of the box. Classic Tabata already set up for you. + Simple to use, just push play. + Works on both iPhone and iPad. + Comes with 2 beautiful themes. + Color coded display visible from afar. Colors represent the amount of energy you are using in an interval. + Customize initial countdown and warmup time. + Customize exercise, rest, recovery and cooldown intervals. + Adjust the number of sets and cycles to match your pace. + Jump between intervals in the middle of a workout as needed. + Build presets to support your multiple interval training needs (Pro purchase needed). + Pause your workouts if needed. + Works with the screen locked and in your pocket. + Interval beeps for each individual interval. Need a separate beep to mark when it's time to rest, no problem. + Interval vibration. + Continuous beeps. + Three second beeps. + Halfway beeps. + Voice assist so that you focus on your workout and not the screen. + Workout to music from your iPod. + Set music to pause to hear beeps and voice assist clearly. + Shuffle tracks or albums to suit your taste and workout. + Apple Health support. Pro Features Subscription: Some features of the app require a paid Pro Features In App Subscription. These include unlimited number of workouts, no ads, access to announcement settings, the ability to use chest strap heart rate monitors and more sounds. Learn more about these by clicking on the GET PRO button in the app settings on the top right. Health Disclaimer: Exercising can be extremely stressful for the body, please consult your doctor, trainer or coach before using this app. This app does not aim to teach, coach or guide you with fitness, exercises or working out. It is a utility for people (adults only) who already know what they are doing and why. Further, calculations for workout times, calories burned and heart rates when working out are only approximations and should not be used for any medical purposes.
Interval(x)
An open-source interval timer designed for precision and privacy. Configure work and rest periods with millisecond accuracy for training or daily routines. It offers a transparent, data-free experience for users who value control and simplicity.
- Open Source Transparency
- Zero Data Collection
- Millisecond Interval Precision
- Customizable Work/Rest Periods
- Lightweight and Power-Efficient
- Privacy-First Design
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Interval(x): Open Source Precision for Engineers Engineered for precision and transparency, Interval(x) is the ultimate interval timer for those who value control, simplicity, and privacy. Built by engineers for engineers, this app delivers unmatched timing accuracy without the frills—or the data collection. Why Engineers Love Interval(x): Open Source: Fully transparent and modifiable—because we believe in community-driven development. Zero Data Collection: Your data is yours. Interval(x) operates without tracking, analytics, or unnecessary permissions. Customizable and Precise: Configure work/rest intervals down to the millisecond to match your exact training needs. Efficient Design: Lightweight, power-efficient, and designed for those who demand performance. Privacy-First, Community-Driven Interval(x) is a privacy-focused tool that doesn't track your activity or collect your data. Its open-source codebase is available for review and contributions, ensuring transparency and trust. Whether you're training for endurance, strength, or just optimizing your daily routine, Interval(x) provides the precision and simplicity you need without sacrificing your privacy. Download Interval(x) today and experience fitness on your terms. Power your workouts with open source freedom and engineering-grade accuracy.
Screenshots
Verdict
The clearest difference is in-app purchases: Interval(x) at none against Tabata Timer and HIIT Timer's 2. Interval(x) also leads on ads (none vs shown) and rating (5.0 vs 4.8). Tabata Timer and HIIT Timer's advantage is ratings volume (74K vs 1) and iOS requirement (15.0 vs 18.1). On price 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. Tabata Timer and HIIT Timer sells 2 in-app purchases, starting at $19.99 per year. Interval(x) asks for nothing beyond the download.
Interval(x) holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tabata Timer and HIIT Timer has 74K ratings behind it against 1, so its average is the more settled of the two.
Tabata Timer and HIIT Timer ships an update every 3 weeks, Interval(x) every 10 days. The most recent releases landed on October 7, 2026 and September 18, 2026 respectively.
| Parameter | Tabata Timer and HIIT Timer | Interval(x) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (74K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 79.4% of reviews | — |
| Number of ratings | 74K — better | 1 |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.1 |
| Further details — not scored | ||
| Size | 27 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Anuj Seth | ShapeHaven Innovations LLC |
Customer experience
Tabata Timer and HIIT Timer
Interval(x)
Bugs and requests
Tabata Timer and HIIT Timer
Reported bugs
3 issues- App freezing or crashing on some devices
- Purchased pro version not restoring properly
- Inconsistent behavior when switching between apps
Requested features
5 requests- Ability to label and customize individual intervals
- Option to create more complex interval sequences
- Integration with wearable devices and fitness trackers
- Customizable audio alerts and voice prompts
- Improved workout history and progress tracking
Interval(x)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tabata Timer and HIIT Timer
- Pro Features Subscription$19.991 Year
- Pro Features$19.99
Interval(x)
No in-app purchases
Questions
Is Tabata Timer and HIIT Timer free?
Is Interval(x) free?
Which has better reviews, Tabata Timer and HIIT Timer or Interval(x)?
Do Tabata Timer and HIIT Timer or Interval(x) have ads?
Which is updated more often, Tabata Timer and HIIT Timer or Interval(x)?
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