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 app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

Highlights
  • Customizable interval settings
  • Voice assistant with text-to-speech
  • Music ducking for audio integration
  • Save custom workouts
  • Tabata, Rounds, Stopwatch modes
  • Apple Health integration
Features
Read full description

Special timer for interval training. This Interval Timer offers: • Very intuitive interface. After installing this timer you need to press one button to start a tabata workout with classic settings. • Ability to set up prepare, work, rest, rest between sets, cool down time, number of cycles and sets. • Intervals can be configured individually. With this interval training timer you can create any interval workout with any sequence of intervals. • Voice assistant with text-to-speech. • Add descriptions to intervals that will be displayed on the timer screen and will be voiced. • Bright and nice colors. • Ability to lower the volume in your music player while playing the timer sounds (ducking). • List of your saved workouts. • NEW! Quick workout - setup your workout with fast and ease. The opportunity to display mode: - Tabata Protocol. - Rounds. - Stopwatch. - Intervals. Tabata is a form of high-intensity interval training (HIIT): • Workout hard for 20 seconds • Rest for 10 seconds • Complete 8 rounds It's time to train, good luck! Application supports Apple Health to track activity during workout. You can download the app for free. Further use requires a subscription. At our discretion, we may decide to offer you a free trial per the terms displayed in the app. Please note that: When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. Payment will be charged to your Apple ID Account upon confirmation of purchase. Subscription automatically renews and free trial automatically converts into subscription unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Account will be charged for renewal within 24 hours prior to the end of the current subscription period. You can manage your subscriptions and turn off auto-renewal by going to Account Settings after purchase. When canceling a subscription or a free trial, your subscription/free trial will stay active until the end of the current period. Auto-renewal will be disabled, but the current subscription will not be refunded. Terms of Use and Privacy Policy: https://docs.google.com/document/d/1FMzBsd_mSO69xuzkpOKljPPtxRMWMTzt2iGs6wJIhik

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 update cadence: TMR Interval Timer & Stopwatch at every 9 days against Interval Timer's every 4 weeks. On price, ads, in-app purchases and device support 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 12 in-app purchases, starting at $1.99 per month 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 4 weeks, TMR Interval Timer & Stopwatch every 9 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
Interval Timer versus TMR Interval Timer & Stopwatch: the parameters behind the verdict, then further details
ParameterInterval TimerTMR Interval Timer & Stopwatch
PriceFreeFree
Rating4.7 (3.5K ratings) — better—
Positive reviews66.5% of reviews—
Number of ratings3.5K — better—
Update frequencyEvery 4 weeksEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhoneiPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size243 MB17 MB
Age rating4+4+
DeveloperHIIT Apps Sp. z o.o.Aliaksei Kruchkou

Bugs and requests

Interval Timer

Reported bugs

3 issues
  • Workouts disappearing
  • App crashes and freezes
  • Timing issues with intervals

Requested features

4 requests
  • Apple Watch integration
  • More customization options
  • Additional audio cues and prompts
  • Improved workout tracking and history

TMR Interval Timer & Stopwatch

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Interval Timer

Subscriptions8
  • Intervals: monthly membership7 Days trial$1.991 Month
  • Intervals: membership7 Days trial$3.993 Months
  • Intervals: monthly membership$4.991 Month
Show 5 more
  • Intervals: yearly membership$6.991 Year
  • Intervals: yearly membership1 Year trial$9.991 Year
  • Intervals: yearly membership7 Days trial$19.991 Year
  • Intervals: yearly membership7 Days trial$24.991 Year
  • Intervals: membership7 Days trial$24.991 Year
One-time4
  • Intervals | PRO version$14.99
  • Intervals | Membership$14.99
  • Intervals | Membership$34.99
Show 1 more
  • Intervals | Membership$39.99
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?
Neither Interval Timer nor TMR Interval Timer & Stopwatch shows ads.
Which is updated more often, Interval Timer or TMR Interval Timer & Stopwatch?
Interval Timer ships an update every 4 weeks, and TMR Interval Timer & Stopwatch every 9 days. Most recently, Interval Timer was updated on October 17, 2026 and TMR Interval Timer & Stopwatch on October 7, 2026.

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