Comparison

Interval Timer vs RoundTimer

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 interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

Highlights
  • Customizable work and rest periods
  • Set number of sets and rounds
  • Background operation support
  • Music playback compatibility
  • Apple Watch integration
  • Heart rate monitoring (Apple Watch)
Features
Read full description

This app is handy interval timer that helps you keep track of your work and rest periods during your HIIT interval training and workouts. The application is very easy to use, enter the Work, Rest, Sets, Rounds and start workout. You can listen to music during workouts or use the timer in the background. There is also app on the Apple Watch that will allow you to monitor your heart rate during workouts. Apple Watch app features: - iCloud sync with iPhone - integration with the Health app - monitoring heart rate during workouts

About

RoundTimer

Features
Read full description

The interval timer that works the way your workout does. RoundTimer is a premium interval timer built for athletes who train with Tabata, boxing rounds, EMOM, AMRAP, and custom circuits. One price, no ads, no subscriptions - ever. TIMER SOUNDS PLAY OVER YOUR MUSIC The #1 complaint about other timer apps? They pause your Spotify. RoundTimer plays workout sounds alongside your music, never interrupting it. BEAUTIFUL TIMER SCREEN - Circular progress ring with phase-colored glow - "Next phase" preview so you always know what's coming - Half-time alerts to keep you on track - Countdown beeps in the final 3 seconds BUILT-IN PRESETS + CUSTOM BUILDER - Tabata (20s/10s x 8 rounds) - Boxing (3min/1min x 12 rounds) - EMOM & AMRAP templates - Create unlimited custom timers with work, rest, warmup & cooldown TRACK YOUR PROGRESS - Workout history with date, duration, and rounds - Weekly activity summary with day streak - Celebrate completions with animated stats QUICK START Set work, rest & rounds - start a timer instantly without saving a preset. SHARE YOUR WORKOUTS Share preset configurations or completed workout stats with your training partners. LIVE ACTIVITY See your timer countdown on the lock screen while your phone is locked. No accounts. No data collection. No network requests. Just the best interval timer on iPhone.

Screenshots

Interval Timer4 screens
RoundTimer4 screens

Verdict

The call

The clearest difference is price: Interval Timer at Free against RoundTimer's $4.99. Interval Timer also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.0). RoundTimer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence 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

Interval Timer is free to download; RoundTimer costs $4.99 up front. Interval Timer sells 1 one-off in-app purchase. RoundTimer asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Timer versus RoundTimer: the parameters behind the verdict, then further details
ParameterInterval TimerRoundTimer
PriceFree — better$4.99
Rating4.9 (250 ratings) — better—
Positive reviews84.1% of reviews—
Number of ratings250 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size12 MB2 MB
Age rating4+4+
DeveloperYosyp HameliakTal Shtark

Bugs and requests

Interval Timer

Reported bugs

9 issues
  • App pauses when phone is locked
  • Sound notifications are inconsistent
  • App doesn't run in background
  • Watch app not opening or syncing
  • In-app purchase issues
Show 4 more
  • Timer not counting when phone is locked
  • Voice/sound stops during exercises
  • Incorrect number of sets displayed
  • App crashes or freezes

Requested features

12 requests
  • Option for different/upbeat voice
  • Ability to reorder saved timers
  • Larger font size option
  • Vibrate option
  • Naming individual sets/exercises
Show 7 more
  • Audio configuration for set completion
  • Syncing workouts with health apps
  • Option to keep app running when phone is locked
  • Customizable warm-up per saved timer
  • Option for giant font size for numbers
  • Ability to move saved timers
  • More sound options

RoundTimer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Interval Timer

One-time1
  • Remove Ads$4.99
None

RoundTimer

No in-app purchases

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is RoundTimer free?
RoundTimer costs $4.99, with no in-app purchases.
Do Interval Timer or RoundTimer have ads?
Interval Timer shows ads; RoundTimer does not.
Which is updated more often, Interval Timer or RoundTimer?
Interval Timer ships an update every 2 months, and RoundTimer every 2 months. Most recently, Interval Timer was updated on October 27, 2026 and RoundTimer on October 24, 2026.

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