Comparison

HIIToMeter high intensity interval training meter vs Restrr

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

Head to head
About

HIIToMeter high intensity interval training meter

This app provides a visual guide for high-intensity interval training, helping users maximize fat burning and metabolism. It offers customizable workout durations and intensities, with Apple Health integration for heart rate data and Apple Watch support for real-time feedback.

Highlights
  • Visual progress tracking for HIIT
  • Customizable workout durations (10, 20, 30 mins)
  • Adjustable intensity levels (low, medium, high)
  • Apple Health integration for heart rate
  • Apple Watch companion app support
  • Haptic feedback for intensity changes
Features
Read full description

Enjoy a visual progress of your High Intensity Interval Training workout with HIIToMeter. Workout in less but intense bursts of time to maximize fat burning and boosted metabolism. Choose between durations of 10 minutes, 20 minutes or 30 minutes workout in low, medium or high intensities to tailor your workout session. HIIToMeter integrates with the Apple Health app to record heart-rate data. Your watch buzzes when it is time to speed up or slow down your intensity. Your heart rates' visual representation gives you a yellow or orange circles in the center indicating which workout zone you need to target on the HIIToMeter. Make the most out of your High Intensity Interval Training with the HIIToMeter app. SUPPORTS APPLE WATCH and APPLE WATCH NIKE+ Get your perfect workout partner—on your wrist. The HIIToMeter app supports all generations of Apple Watches, with a simple experience designed for High Intensity Interval Training. Swipe right on the main screen to select a goal, activate Advanced mode, or adjust the type of activity before you start off. For optimal user experience this app is recommended to be used alongside its Apple Watch companion app.

About

Restrr

Optimize your strength training and HIIT workouts with a smart rest countdown and automatic set counter. Stay focused with customizable notifications and live activity integration. Train more efficiently and effectively.

Highlights
  • Smart rest countdown
  • Automatic set counter
  • Live Activities & Dynamic Island integration
  • Customizable notifications
  • Workout optimization
Read full description

Tired of guessing your rest periods and losing track of sets? Gym Timer is the essential tool for every serious athlete and gym-goer. Designed to keep your strength training, muscle building, and HIIT workouts on track, our app ensures you make the most of every second. Stop wasting time and start training with purpose. Features That Optimize Your Workout - Smart Rest Countdown: Our clear, easy-to-read rest countdown ensures you hit your next set at the perfect time, every time. - Automatic Set Counter: Focus on your reps, not your count. The app automatically tracks your sets, making your workout seamless. - Live Activities & Dynamic Island: Stay connected to your workout timer directly from your lock screen or Dynamic Island. A quick glance is all you need. - Customizable Notifications: Get notified with a sound or vibration the moment your rest period is over. You'll never miss a beat. Whether you're a beginner or a seasoned lifter, the Gym Rest Timer is the personal coach you've been waiting for. It's more than just a timer—it's your key to a more efficient, focused, and effective workout. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HIIToMeter high intensity interval training meter2 screens
Restrr4 screens

Verdict

The call

The clearest difference is rating: HIIToMeter high intensity interval training meter at 5.0 against Restrr's 3.0. HIIToMeter high intensity interval training meter also leads on in-app purchases (none vs 3) and update cadence (every 5 days vs every 3 months). On price, ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Restrr sells 3 in-app purchases, starting at $1.99 per month. HIIToMeter high intensity interval training meter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HIIToMeter high intensity interval training meter holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

HIIToMeter high intensity interval training meter ships an update every 5 days, Restrr every 3 months. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
HIIToMeter high intensity interval training meter versus Restrr: the parameters behind the verdict, then further details
ParameterHIIToMeter high intensity interval training meterRestrr
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (2 ratings)
Positive reviews—0.0% of reviews
Number of ratings12 — better
Update frequencyEvery 5 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS10.0 — better18.5
Further details — not scored
Size26 MB19 MB
Age rating4+4+
DeveloperShrujan HanumantharayappaMatija Gunther

Customer experience

HIIToMeter high intensity interval training meter

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Restrr

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

HIIToMeter high intensity interval training meter

No in-app purchases

3 purchases

Restrr

Subscriptions2
  • Monthly$1.991 Month
  • Annual$8.991 Year
One-time1
  • Lifetime$3.99

Questions

Is HIIToMeter high intensity interval training meter free?
HIIToMeter high intensity interval training meter is free to download, with no in-app purchases.
Is Restrr free?
Restrr is free to download, with in-app purchases available.
Which has better reviews, HIIToMeter high intensity interval training meter or Restrr?
HIIToMeter high intensity interval training meter is rated higher. HIIToMeter high intensity interval training meter averages 5.0 out of 5 from 1 ratings, while Restrr averages 3.0 from 2 ratings.
Do HIIToMeter high intensity interval training meter or Restrr have ads?
Neither HIIToMeter high intensity interval training meter nor Restrr shows ads.
Which is updated more often, HIIToMeter high intensity interval training meter or Restrr?
HIIToMeter high intensity interval training meter ships an update every 5 days, and Restrr every 3 months. Most recently, HIIToMeter high intensity interval training meter was updated on October 1, 2026 and Restrr on September 24, 2026.

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