Comparison

HIIT vs Round Timer

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

Head to head
About

HIIT

This app offers short, high-intensity interval training (HIIT) workouts that can be done anywhere with no equipment. It provides scientifically proven exercises, custom timer templates, and progress tracking to help users achieve fitness results quickly.

Highlights
  • Short, high-intensity workouts
  • Customizable timer templates
  • Step-by-step instructions
  • Calendar and weight tracking
  • Voice and video guidance
  • Apple Health integration
Features
Read full description

Get our HIIT Workout app to get results FAST! Just 4 minutes of high intensity tabata intervals training will make you sweat and get your heart pumping. Replace long cardio workouts with shorter and more effective HIIT workouts. No equipment needed. Workout anytime,anywhere. No excuses. Features: • Scientifically proven short high intensity workouts to improve your health. • Custom templates so you can build your own timers. • Step by step instructions suitable for beginners and intermediates alike. • Calendar and weight tracker to track your progress. • Voice and video instructions. It's like having a personal trainer in your pocket. • This app is integrated with Apple Health to track your workouts,calories and weight. Free,quick and effective. What are you waiting for? Download the app,and get sweating! 7M - We heart fitness! SUBSCRIPTION PRICING AND TERMS We offer the following auto-renewing subscriptions: $29.99 per year $2.99 per week These prices are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends,the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Read more about our terms and conditions here: Terms of Use: https://7mfitness.com/terms-of-use/ Privacy Policy: https://7mfitness.com/privacy-policy/

About

Round Timer

This app provides a simple and customizable timer for interval training like HIIT, Tabata, and EMOM. It offers audio cues, background operation, and integrates with Apple Watch for health tracking. Pre-built routines and workout reminders help users stay consistent with their fitness goals.

Highlights
  • Customizable interval timer
  • Audio alerts for rounds
  • Background operation
  • Apple Watch integration
  • Workout reminders
  • Pre-built routines
Features
Read full description

A simple and beautiful timer for your HIIT, Tabata and EMOM workouts. Features: • Listen to your music while using the app • Plays sounds to alert for the beginning of a new round • Easy to change timer settings • Default setup is an 8-round Tabata workout • Works in background • Supports landscape mode • The Apple Watch app Integrates with the Health app to track your heart rate and energy used • Workout reminders to help you stay consistent • Pre-built routines for quick workout setup • Free app Start using IMMEDIATELY without tedious setup found in other apps. The intervals are simple to change to suit any kind of training you want. Distinct colors represent exercise phases for easy recognition. High intensity interval training (HIIT) has several benefits over traditional cardio programs including: • burns a large number of calories in a short period of time • increases your metabolic rate even after you've finished exercising • helps you lose weight with the least amount of time spent in the gym Download the app now and give it a try! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HIIT4 screens
Round Timer4 screens

Verdict

The call

The clearest difference is ratings volume: HIIT at 31K against Round Timer's 296. HIIT also leads on review sentiment (91% vs 73%). Round Timer's advantage is device support (4 vs 2). On price, rating, update cadence and ads 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. HIIT sells 11 in-app purchases, starting at $2.99 per 7 days and Round Timer sells 8 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for HIIT against 4.8 for Round Timer. That said, the two scores are not equally well evidenced: HIIT has 31K ratings behind it against 296, so its average is the more settled of the two. Written reviews are what separate them: 91% of HIIT's written reviews are positive against 73% of Round Timer's.

UpkeepUpdate frequency

HIIT ships an update monthly, Round Timer every 3 weeks. The most recent releases landed on September 26, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level
HIIT versus Round Timer: the parameters behind the verdict, then further details
ParameterHIITRound Timer
PriceFreeFree
Rating4.8 (31K ratings)4.8 (296 ratings)
Positive reviews90.8% of reviews — better73.3% of reviews
Number of ratings31K — better296
Update frequencyMonthlyEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.015.0 — better
Further details — not scored
Size159 MB39 MB
Age rating4+4+
DeveloperFast Builder LimitedMiklos Pavel

Customer experience

HIIT

All ratings31,065 ratings
Positive96.7%
Neutral2.4%
Negative0.8%
Written reviews382 reviews
Positive90.8%
Neutral3.1%
Negative6.0%

Round Timer

All ratings296 ratings
Positive95.9%
Neutral1.7%
Negative2.4%
Written reviews15 reviews
Positive73.3%
Neutral6.7%
Negative20.0%

Bugs and requests

HIIT

Reported bugs

2 issues
  • Some videos or links not working
  • Occasional crashes or performance issues

Requested features

4 requests
  • Option to create custom workouts
  • More workout types beyond just HIIT
  • Integration with fitness tracking apps
  • Ability to save favorite workouts

Round Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

HIIT

Subscriptions11
  • Lock-in our cheapest price!3 Days trial$2.997 Days
  • 7M Pro$2.997 Days
  • Get Yearly Premium!$9.991 Year
Show 8 more
  • Interval Timer Pro + Workouts$12.991 Month
  • Interval Timer X premium7 Days trial$19.993 Months
  • 7M Pro$19.993 Months
  • Get Monthly Premium!$19.991 Month
  • Get Yearly Premium!$19.991 Year
  • Interval Timer X premium$29.991 Year
  • 7M Pro7 Days trial$29.991 Year
  • Interval Timer Pro + Workouts7 Days trial$39.991 Year
8 purchases

Round Timer

Subscriptions2
  • Monthly$3.991 Month
  • Yearly7 Days trial$19.991 Year
One-time6
  • Premium featuresFree
  • Remove Ads$1.99
  • Custom sounds$1.99
Show 3 more
  • Premium features$4.99
  • Premium features$9.99
  • Premium features$14.99

Questions

Is HIIT free?
HIIT is free to download, with in-app purchases available.
Is Round Timer free?
Round Timer is free to download, with in-app purchases available.
Which has better reviews, HIIT or Round Timer?
HIIT and Round Timer are both rated 4.8 out of 5 on the App Store, from 31K and 296 ratings respectively.
Do HIIT or Round Timer have ads?
Both HIIT and Round Timer show ads.
Which is updated more often, HIIT or Round Timer?
HIIT ships an update monthly, and Round Timer every 3 weeks. Most recently, HIIT was updated on September 26, 2026 and Round Timer on September 12, 2026.

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