Comparison

Interval Timer □ HIIT Timer 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

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.

Highlights
  • Customizable intervals
  • Workout and rest timers
  • Voice or beep guides
  • Background audio support
  • Workout history and statistics
  • Repeat previous workouts
Features
Read full description

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

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

Interval Timer □ HIIT Timer4 screens
Round Timer4 screens

Verdict

The call

The clearest difference is ads: Interval Timer □ HIIT Timer at none against Round Timer's shown. Interval Timer □ HIIT Timer also leads on ratings volume (86K vs 296). Round Timer's advantage is review sentiment (73% vs 61%). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month 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 Interval Timer □ HIIT Timer against 4.8 for Round Timer. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 86K ratings behind it against 296, 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 73% of Round Timer's.

UpkeepUpdate frequency

Interval Timer □ HIIT Timer ships an update every 5 weeks, Round Timer every 3 weeks. The most recent releases landed on September 24, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level
Interval Timer □ HIIT Timer versus Round Timer: the parameters behind the verdict, then further details
ParameterInterval Timer □ HIIT TimerRound Timer
PriceFreeFree
Rating4.8 (86K ratings)4.8 (296 ratings)
Positive reviews60.7% of reviews73.3% of reviews — better
Number of ratings86K — better296
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.615.0 — better
Further details — not scored
Size34 MB39 MB
Age rating4+4+
DeveloperFloat Tech, LLCMiklos Pavel

Customer experience

Interval Timer □ HIIT Timer

All ratings85,854 ratings
Positive96.7%
Neutral1.2%
Negative2.1%
Written reviews1,810 reviews
Positive60.7%
Neutral6.2%
Negative33.1%

Round Timer

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

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

Round Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Interval Timer □ HIIT Timer

Subscriptions2
  • Premium Pass7 Days trial$1.991 Month
  • Premium Pass7 Days trial$2.991 Month
One-time3
  • Lifetime Pass$14.99
  • Lifetime Pass$19.99
  • Premium Forever Promo$29.99
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 Interval Timer □ HIIT Timer free?
Interval Timer □ HIIT Timer 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, Interval Timer □ HIIT Timer or Round Timer?
Interval Timer □ HIIT Timer and Round Timer are both rated 4.8 out of 5 on the App Store, from 86K and 296 ratings respectively.
Do Interval Timer □ HIIT Timer or Round Timer have ads?
Round Timer shows ads; Interval Timer □ HIIT Timer does not.
Which is updated more often, Interval Timer □ HIIT Timer or Round Timer?
Interval Timer □ HIIT Timer ships an update every 5 weeks, and Round Timer every 3 weeks. Most recently, Interval Timer □ HIIT Timer was updated on September 24, 2026 and Round Timer on September 12, 2026.

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