Comparison

Interval Timer vs TMR Interval Timer & Stopwatch

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

TMR Interval Timer & Stopwatch

Features
Read full description

TMR is the one interval timer for all your needs — simple, flexible, and powerful. Create fully customized timers or choose from dozens of ready-made presets: Pomodoro, Tabata, HIIT, EMOM, AMRAP, Boxing Round Timer, Study Sessions, Focus Blocks, Yoga Intervals, and more. Key Features: • Extensive library of professional presets for work, training, rest, and focus • Fast creation and saving of personalized timers • Full customization of all parameters: rounds, intervals, rest periods, sounds, and alerts • Favorites — quick access to your most-used timers • Versatile for Pomodoro, HIIT, Boxing, Tabata, Study, Focus, and any other routines • Runs in the background TMR helps you manage your time efficiently — from everyday tasks to high-intensity workouts. Read our full Terms of Service and Privacy Policy: https://zdravo.mobi/docs/Terms_and_Conditions.pdf https://zdravo.mobi/docs/Privacy_Policy.pdf

Screenshots

Interval Timer4 screens
TMR Interval Timer & Stopwatch4 screens

Verdict

The call

The clearest difference is ads: TMR Interval Timer & Stopwatch at none against Interval Timer's shown. TMR Interval Timer & Stopwatch also leads on update cadence (every 9 days vs every 2 months). Interval Timer's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 17.6). On price 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 sells 1 one-off in-app purchase and TMR Interval Timer & Stopwatch sells 8 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Interval Timer ships an update every 2 months, TMR Interval Timer & Stopwatch every 9 days. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Interval Timer versus TMR Interval Timer & Stopwatch: the parameters behind the verdict, then further details
ParameterInterval TimerTMR Interval Timer & Stopwatch
PriceFreeFree
Rating4.9 (246 ratings) — better—
Positive reviews83.5% of reviews—
Number of ratings246 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size12 MB17 MB
Age rating4+4+
DeveloperYosyp HameliakAliaksei Kruchkou

In-app purchases

1 purchases

Interval Timer

One-time1
  • Remove Ads$4.99
8 purchases

TMR Interval Timer & Stopwatch

Subscriptions8
  • Weekly TMR Pro3 Days trial$0.997 Days
  • TMR Pro Monthly7 Days trial$3.991 Month
  • TMR Pro Monthly3 Days trial$3.991 Month
Show 5 more
  • TMR Pro Weekly$5.997 Days
  • Annual TMR Pro3 Days trial$10.991 Year
  • TMR Pro Annually7 Days trial$19.991 Year
  • TMR Pro Annually3 Days trial$19.991 Year
  • Annual TMR Pro$34.991 Year

Questions

Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Is TMR Interval Timer & Stopwatch free?
TMR Interval Timer & Stopwatch is free to download, with in-app purchases available.
Do Interval Timer or TMR Interval Timer & Stopwatch have ads?
Interval Timer shows ads; TMR Interval Timer & Stopwatch does not.
Which is updated more often, Interval Timer or TMR Interval Timer & Stopwatch?
Interval Timer ships an update every 2 months, and TMR Interval Timer & Stopwatch every 9 days. Most recently, Interval Timer was updated on October 19, 2026 and TMR Interval Timer & Stopwatch on October 7, 2026.

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