Comparison

Interval 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

This app provides a customizable interval timer for various workout types, including HIIT and Tabata. It features a minimalist design, audio guidance, rep counting, and workout history tracking. You can use your favorite music apps while training.

Highlights
  • Customizable timers and presets
  • Audio guidance and beep sounds
  • Rep counting functionality
  • Workout history and calendar view
  • Minimalist and glanceable design
  • Music app integration
Features
Read full description

Core is a professional interval timer for your daily workouts! - Workout with music: just use your favorite music apps while training. - Count Reps: can be used as a counter to count your workout reps. - Minimalist design: elegant interface and glanceable from afar. - Customizable timers: simple to create your own timers and save presets. - Audio Guide: beep sounds to use in noisy environments and voice guidance. - Workout history: keep track of your workout with stats and calendar view. - Suitable for all kinds of interval training: HIIT, Tabata, boxing, yoga, calisthenics, CrossFit, cardio exercises, circuit training and etc. This app includes optional auto-renewable subscriptions: Monthly ($1.99), Yearly ($7.99). Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. Current subscription may not be canceled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. Privacy policy: https://xydigital.studio/Privacy-Policy-4e08709f9d9144558415c7776536786d Terms of use: https://xydigital.studio/Terms-of-Use-5d480081e6624643a7ac87cc87caf9f9 If you have any ideas to improve the App, please contact us via coretimerapp@gmail.com. Your feedback is highly valued!

About

Round Timer

This interval timer offers extensive customization for workouts, training, or any timed activity. Features include custom presets, sound libraries, voice announcements, and detailed session tracking. Enjoy an intuitive, ad-free experience designed for flexibility.

Highlights
  • Customizable colors
  • Custom presets
  • Rich sound library
  • Voice announcements
  • Proximity sensor support
  • Shake-to-pause
  • Detailed session summaries
Features
Read full description

Round is the ultra-customizable interval timer designed to supercharge anything you do. It’s packed with features like customizable colors, custom presets, a rich library of sounds, voice announcements, proximity sensor support, shake-to-pause, and precise time entry. Track your sessions with detailed summaries, enable tick sounds, and enjoy an intuitive, ad-free interface. Perfect for any activity, from sports to work.

Screenshots

Interval Timer4 screens
Round Timer4 screens

Verdict

The call

Interval Timer and Round Timer both sit at 5.0 stars, but that hides the real split: 100% of Interval Timer's written reviews are positive against 67% of Round Timer's. Interval Timer also leads on iOS requirement (9.0 vs 15.0). Round Timer's advantage is monetization model (free vs free with in-app purchases) and ratings volume (14 vs 3). 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. Interval Timer sells 3 in-app purchases, starting at $1.99 per month and Round Timer sells 1 one-off in-app purchase. 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 — 5.0 for Interval Timer against 4.9 for Round Timer. Both are backed by a comparable volume of ratings — 3 and 14 respectively. Written reviews are what separate them: 100% of Interval Timer's written reviews are positive against 67% of Round Timer's.

UpkeepUpdate frequency

Interval Timer ships an update every 3 weeks, Round Timer every 2 weeks. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer versus Round Timer: the parameters behind the verdict, then further details
ParameterInterval TimerRound Timer
PriceFreeFree
Rating5.0 (3 ratings) — better4.9 (14 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings314 — better
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size91 MB18 MB
Age rating4+4+
DeveloperYating LuYauhen Bahdanovich

Customer experience

Interval Timer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Round Timer

All ratings14 ratings
Positive92.9%
Neutral7.1%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

3 purchases

Interval Timer

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$7.991 Year
One-time1
  • Lifetime$9.99
1 purchases

Round Timer

One-time1
  • Round Pro$0.99

Questions

Is Interval Timer free?
Interval 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 or Round Timer?
Interval Timer is rated higher. Interval Timer averages 5.0 out of 5 from 3 ratings, while Round Timer averages 4.9 from 14 ratings.
Do Interval Timer or Round Timer have ads?
Neither Interval Timer nor Round Timer shows ads.
Which is updated more often, Interval Timer or Round Timer?
Interval Timer ships an update every 3 weeks, and Round Timer every 2 weeks. Most recently, Interval Timer was updated on September 23, 2026 and Round Timer on September 20, 2026.

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