Comparison

Tabata Timer and HIIT Timer vs IRON LAB

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Automated exercise and rest intervals
  • Customizable workout presets
  • Voice and beep guidance
  • Music integration
  • Apple Health support
  • Color-coded display
Features
Read full description

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.

About

IRON LAB

Features
Read full description

With the IRON LAB App, you will have access to workout & nutrition programs designed specifically to help you reach your fitness and health goals! You can follow & track your workouts, your nutrition, your lifestyle habits, measurements and results–all with the help of your coach. FEATURES: - Access training plans and track workouts - Follow along to exercise and workout videos - Track your meals and make better food choices -Follow along on a Nutrition Plan set up for YOU. - Stay on top of your daily habits - Set health and fitness goals and track progress towards your goals - Gain milestone badges for achieving new personal bests and maintaining habit streaks - Message your Coach in real-time - Be part of digital communities to meet people with similar health goals and stay motivated - Track body measurements and take progress photos - Get push notification reminders for scheduled workouts and activities - Connect your Apple Watch to track workouts, steps, habits, and more right from your wrist - Connect to other wearable devices and apps like the Apple Health App, Garmin, Fitbit, MyFitnessPal, and Withings devices to track workouts, sleep, nutrition, and body stats and composition Download the app today!

Screenshots

Tabata Timer and HIIT Timer4 screens
IRON LAB4 screens

Verdict

The call

The clearest difference is in-app purchases: IRON LAB at none against Tabata Timer and HIIT Timer's 2. IRON LAB also leads on ads (none vs shown). Tabata Timer and HIIT Timer's advantage is update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tabata Timer and HIIT Timer sells 2 in-app purchases, starting at $19.99 per year. IRON LAB asks for nothing beyond the download.

UpkeepUpdate frequency

Tabata Timer and HIIT Timer ships an update every 3 weeks, IRON LAB every 2 months. The most recent releases landed on September 27, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Tabata Timer and HIIT Timer versus IRON LAB: the parameters behind the verdict, then further details
ParameterTabata Timer and HIIT TimerIRON LAB
PriceFreeFree
Rating4.8 (74K ratings) — better—
Positive reviews79.6% of reviews—
Number of ratings74K — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.0 — better15.5
Further details — not scored
Size27 MB165 MB
Age rating12+4+
DeveloperAnuj SethIRON LAB INC

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

IRON LAB

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Tabata Timer and HIIT Timer

Subscriptions1
  • Pro Features Subscription$19.991 Year
One-time1
  • Pro Features$19.99
None

IRON LAB

No in-app purchases

Questions

Is Tabata Timer and HIIT Timer free?
Tabata Timer and HIIT Timer is free to download, with in-app purchases available.
Is IRON LAB free?
IRON LAB is free to download, with no in-app purchases.
Do Tabata Timer and HIIT Timer or IRON LAB have ads?
Tabata Timer and HIIT Timer shows ads; IRON LAB does not.
Which is updated more often, Tabata Timer and HIIT Timer or IRON LAB?
Tabata Timer and HIIT Timer ships an update every 3 weeks, and IRON LAB every 2 months. Most recently, Tabata Timer and HIIT Timer was updated on September 27, 2026 and IRON LAB on September 10, 2026.

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