Comparison

Best Interval Timer vs HIITLY

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

HIITLY

This interval timer app allows for quick setup of custom workouts with adjustable intervals, rest periods, and rounds. It offers voice cues or beeps, background functionality, and detailed workout history to track progress. Ideal for HIIT, Tabata, and circuit training.

Highlights
  • Customizable intervals, rest, and rounds
  • Voice cues or beeps
  • Background functionality
  • Detailed workout history and stats
  • Repeat past workouts
  • Unlimited custom timer creation
Features
Read full description

A simple and beautiful interval timer built for your workouts. Set it up in seconds: Just drag to customize your intervals workout, rest, rounds, and more. Tap to start. That’s it. Your music stays in control: ∙ Continue using your favorite music apps during workouts. ∙ Choose between voice cues or beeps for each interval. ∙ Multitask freely — audio guides keep you on track even when you switch apps or follow an online workout. No more manual tracking: ∙ Access detailed history and stats to monitor your progress. ∙ Instantly repeat past workouts without setting them up again. Perfect for HIIT, Tabata, Stretch and circuit training. The app is designed for high-intensity interval training with features made for serious results: Display rounds, cycles, and durations clearly. Built-in interval stopwatch. Fully functional in the background. Create and save unlimited custom timers. Voice guidance to keep you focused. Got ideas to make the app better? Tap “Contact Support” in the app and share them with us — we’re always working to improve our Interval Timer!

Screenshots

Best Interval Timer4 screens
HIITLY4 screens

Verdict

The call

The clearest difference is ads: HIITLY at none against Best Interval Timer's shown. HIITLY also leads on update cadence (every 6 days vs every 12 months) and rating (5.0 vs 4.6). Best Interval Timer's advantage is ratings volume (81 vs 2). On price, in-app purchases, device support and iOS requirement 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

HIITLY 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, HIITLY every 6 days. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
Best Interval Timer versus HIITLY: the parameters behind the verdict, then further details
ParameterBest Interval TimerHIITLY
PriceFreeFree
Rating4.6 (81 ratings)5.0 (2 ratings) — better
Positive reviews89.3% of reviews—
Number of ratings81 — better2
Update frequencyEvery 12 monthsEvery 6 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size19 MB27 MB
Age rating4+4+
Developer倩 赵Matys Bouziane

Customer experience

Best Interval Timer

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

HIITLY

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

HIITLY

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Best Interval Timer

No in-app purchases

None

HIITLY

No in-app purchases

Questions

Is Best Interval Timer free?
Best Interval Timer is free to download, with no in-app purchases.
Is HIITLY free?
HIITLY is free to download, with no in-app purchases.
Which has better reviews, Best Interval Timer or HIITLY?
HIITLY is rated higher. Best Interval Timer averages 4.6 out of 5 from 81 ratings, while HIITLY averages 5.0 from 2 ratings.
Do Best Interval Timer or HIITLY have ads?
Best Interval Timer shows ads; HIITLY does not.
Which is updated more often, Best Interval Timer or HIITLY?
Best Interval Timer ships an update every 12 months, and HIITLY every 6 days. Most recently, Best Interval Timer was updated on October 11, 2026 and HIITLY on September 24, 2026.

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