Comparison

Best Interval Timer vs Interval Timer One

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Best Interval Timer

This app acts as your personal coach, guiding you through workouts with customizable routines. Focus on your exercise while it manages timing for warm-up, high/low intensity intervals, cool-downs, and rest periods.

Highlights
  • Customizable workout routines
  • Warm-up, intensity, cool-down, rest periods
  • Background and multitasking support
  • Adjustable interval sounds and vibrations
  • Workout practice tracking
  • Landscape and portrait orientation
Features
Read full description

This app is like your personal coach, just focus on your workout without having to worry about time, Best Interval Timer will lead you to finish them perfectly. There is one default routine in this free version, but you can edit it to your own one which include warm-up, high/low intensity, cool down and rest time etc, you can custom as many sets as you wish to do. Key Features: ⁃ One default routine. ⁃ Big readable counting down time. ⁃ Start, pause or reset routine. ⁃ Warm up, low intensity, high intensity, cool down, rest time. ⁃ Support background, foreground playing and multitasking. ⁃ Music plays. ⁃ Vibrate or not. ⁃ 15 interval switch sounds. ⁃ 12 background interval pictures available. ⁃ Show number of times you have practiced of one routine. ⁃ Support landscape and portrait. ⁃ Create one reminder to alert you doing your workout. ⁃ Supports universal version. If you have any question or suggestion, please send email to our support userfeed@vip.tom.com.

About

Interval Timer One

This user-friendly interval timer app simplifies fitness routines by allowing effortless customization of workout durations. It offers intuitive controls for setting intervals, pausing, resuming, and adjusting the timer, ensuring a focused and efficient training experience without unnecessary features.

Highlights
  • Intuitive interval customization
  • Pause and resume functionality
  • Adjust timer forward/backward
  • Uninterrupted timer operation
  • Plays music without disruption
Features
Read full description

Simplify your fitness routine with user-friendly interval timer app. This app skips the confusion and complex settings. Effortlessly set your desired workout duration and start your session hassle-free. Key features of our app include: * Intuitive scrolling and selection options for warm-up, work, rest, and set duration. Customize your intervals to suit your specific workout needs. * Pause and resume functionality allows you to take breaks and maintain control over your interval training, providing flexibility during your sessions. * Easily adjust the timer forward or backward as needed, ensuring a seamless flow without interruptions. * Even if your app gets interrupted during your interval workout, our timer will continue running, allowing you to stay focused. * Enjoy uninterrupted music while working out. Our app ensures that your music plays without disruptions, keeping you motivated throughout your sessions. This app is designed to provide a focused and efficient experience, solely dedicated to serving as an interval timer. It does not attempt to be a dietary planner, workout calendar, workout routine manager, or include any other non-essential features. By eliminating unnecessary complexities, our app ensures a streamlined and hassle-free interval timer experience for your fitness sessions. Discover the simplicity and efficiency of interval training with our app. Take control of your workouts, minimize distractions, and make the most of your training time.

Screenshots

Best Interval Timer4 screens
Interval Timer One3 screens

Verdict

The call

The clearest difference is ads: Interval Timer One at none against Best Interval Timer's shown. Interval Timer One also leads on rating (5.0 vs 4.6) and update cadence (every 2 months vs every 12 months). Best Interval Timer's advantage is ratings volume (81 vs 2). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Interval Timer One holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Best Interval Timer has 81 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Best Interval Timer ships an update every 12 months, Interval Timer One every 2 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 4 level
Best Interval Timer versus Interval Timer One: the parameters behind the verdict, then further details
ParameterBest Interval TimerInterval Timer One
PriceFreeFree
Rating4.6 (81 ratings)5.0 (2 ratings) — better
Positive reviews89.3% of reviews—
Number of ratings81 — better2
Update frequencyEvery 12 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size19 MB2 MB
Age rating4+4+
Developer倩 赵jun hyun

Customer experience

Best Interval Timer

All ratings81 ratings
Positive92.6%
Neutral4.9%
Negative2.5%
Written reviews103 reviews
Positive89.3%
Neutral6.8%
Negative3.9%

Interval Timer One

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Best Interval Timer

Reported bugs

7 issues
  • App stops working after rating notification
  • Buttons don't work after rating notification
  • Crashes when saving timers
  • Crashes when editing exercises
  • Freezes and stops working
Show 2 more
  • Lost all timers after reinstalling
  • Side view unusable

Requested features

10 requests
  • Ability to save multiple intervals/routines
  • Voice cues for start/stop
  • Apple Watch compatibility
  • Larger buttons and text
  • Option to save different schedules (e.g., Tabata)
Show 5 more
  • Fix crashing when saving timers
  • Fix crashing when editing exercises
  • Improve side view usability
  • Remove ads or reduce frequency
  • Option to have cool down at the end of all intervals

Interval Timer One

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Best Interval Timer

No in-app purchases

None

Interval Timer One

No in-app purchases

Questions

Is Best Interval Timer free?
Best Interval Timer is free to download, with no in-app purchases.
Is Interval Timer One free?
Interval Timer One is free to download, with no in-app purchases.
Which has better reviews, Best Interval Timer or Interval Timer One?
Interval Timer One is rated higher. Best Interval Timer averages 4.6 out of 5 from 81 ratings, while Interval Timer One averages 5.0 from 2 ratings.
Do Best Interval Timer or Interval Timer One have ads?
Best Interval Timer shows ads; Interval Timer One does not.
Which is updated more often, Best Interval Timer or Interval Timer One?
Best Interval Timer ships an update every 12 months, and Interval Timer One every 2 months. Most recently, Best Interval Timer was updated on October 2, 2026 and Interval Timer One on October 1, 2026.

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