Comparison

Best Interval Timer vs Cool Countdown

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

Cool Countdown

This app provides a visually engaging countdown and count-up timer with an authentic design. It's ideal for managing time for various activities, from children's tasks to personal projects, offering animated visuals and customizable durations.

Highlights
  • Stylish design with animated time flow
  • Visual and sound notifications
  • Works in device lock or sleep mode
  • Wide range of time durations (seconds to 100 hours)
  • Counts time past completion
  • User-friendly interface
Features
Read full description

Countdown timer with an authentic design. This perfectly shaped timer is a great way to measure and visualize time. Counts time up and down. It's perfect for when you need your kids to wait patiently for a few minutes or to do homework for a certain length of time. Features: - Stylish design; - Animated time flow and backgrounds; - Visual and sound notifications; - Ability to fire even in device lock or sleep mode; - Wide range of time duration available—from as couple of seconds to 100 hours; - Counts time past timer completion; - User-friendly — even for kids! If you want an excellent visual time indicator for your activities, try the Cool Countdown.

Screenshots

Best Interval Timer4 screens
Cool Countdown4 screens

Verdict

The call

The clearest difference is ads: Cool Countdown at none against Best Interval Timer's shown. Cool Countdown also leads on rating (4.8 vs 4.6) and monetization model (free vs ad-supported). Best Interval Timer's advantage is ratings volume (81 vs 4). 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

Cool Countdown holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Best Interval Timer has 81 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 89% of Best Interval Timer's written reviews are positive against 100% of Cool Countdown's.

UpkeepUpdate frequency

Best Interval Timer ships an update every 12 months, Cool Countdown every 6 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

Scorecard7 real differences · 3 level
Best Interval Timer versus Cool Countdown: the parameters behind the verdict, then further details
ParameterBest Interval TimerCool Countdown
PriceFreeFree
Rating4.6 (81 ratings)4.8 (4 ratings) — better
Positive reviews89.3% of reviews100.0% of reviews — better
Number of ratings81 — better4
Update frequencyEvery 12 monthsEvery 6 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.06.0 — better
Further details — not scored
Size19 MB78 MB
Age rating4+4+
Developer倩 赵Serhii Simkovskyi

Customer experience

Best Interval Timer

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

Cool Countdown

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
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

Cool Countdown

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Best Interval Timer

No in-app purchases

None

Cool Countdown

No in-app purchases

Questions

Is Best Interval Timer free?
Best Interval Timer is free to download, with no in-app purchases.
Is Cool Countdown free?
Cool Countdown is free to download, with no in-app purchases.
Which has better reviews, Best Interval Timer or Cool Countdown?
Cool Countdown is rated higher. Best Interval Timer averages 4.6 out of 5 from 81 ratings, while Cool Countdown averages 4.8 from 4 ratings.
Do Best Interval Timer or Cool Countdown have ads?
Best Interval Timer shows ads; Cool Countdown does not.
Which is updated more often, Best Interval Timer or Cool Countdown?
Best Interval Timer ships an update every 12 months, and Cool Countdown every 6 months. Most recently, Best Interval Timer was updated on October 2, 2026 and Cool Countdown on September 26, 2026.

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