Comparison

Best Interval Timer vs Fytix

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

Fytix

Features
Read full description

Fytix — your workout assistant that builds a personalized training and nutrition plan just for you. Whether you're losing fat, building muscle, or just staying active, Fytix adapts to your goals, fitness level, and schedule. No generic programs. No guesswork. SMART WORKOUT PLANNING • Personalized training plans based on your goals, experience, and available days • Step-by-step exercise guidance for every session • Support for gym, home, and hybrid training NUTRITION COACHING • Daily macro targets calculated for your body and goal • Meal guidance that adjusts as your progress changes PROGRESS TRACKING • Log workouts, body stats, and daily check-ins • Weekly progress summaries to keep you on track • Streak and consistency tracking ADAPTIVE COACHING • Your plan evolves as you progress • Log injuries or setbacks — the coach adjusts • Weekly plan recalculations based on your results BUILT FOR YOUR LIFESTYLE • Clean, fast interface • Reminders for workouts, check-ins, and rest days • Apple Health integration Start your transformation today — your coach is ready. Legal Information • Terms of Use (EULA): https://www.fytix.app/terms • Privacy Policy: https://www.fytix.app/privacy By using Fytix, you agree to our Terms of Use and Privacy Policy.

Screenshots

Best Interval Timer4 screens
Fytix4 screens

Verdict

The call

The clearest difference is ads: Fytix at none against Best Interval Timer's shown. Fytix also leads on update cadence (weekly vs every 12 months). 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.

UpkeepUpdate frequency

Best Interval Timer ships an update every 12 months, Fytix weekly. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Best Interval Timer versus Fytix: the parameters behind the verdict, then further details
ParameterBest Interval TimerFytix
PriceFreeFree
Rating4.6 (81 ratings) — better—
Positive reviews89.3% of reviews—
Number of ratings81 — better—
Update frequencyEvery 12 monthsWeekly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size19 MB52 MB
Age rating4+4+
Developer倩 赵Globax International Holding B.V.

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

Fytix

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Best Interval Timer

No in-app purchases

None

Fytix

No in-app purchases

Questions

Is Best Interval Timer free?
Best Interval Timer is free to download, with no in-app purchases.
Is Fytix free?
Fytix is free to download, with no in-app purchases.
Do Best Interval Timer or Fytix have ads?
Best Interval Timer shows ads; Fytix does not.
Which is updated more often, Best Interval Timer or Fytix?
Best Interval Timer ships an update every 12 months, and Fytix weekly. Most recently, Best Interval Timer was updated on October 18, 2026 and Fytix on October 2, 2026.

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