Comparison

CirclesFit vs Interval Timer

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

Head to head
About

CirclesFit

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Get ready to push your limits and maximize your fitness results with CirclesFit. Stay motivated, improve your strength and endurance, and become the fittest version of yourself with this app.

About

Interval Timer

Features
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Your ultimate workout companion for HIIT, Tabata, circuit training, and any interval-based workout. Designed to be simple, powerful, and distraction-free โ€” so you can focus on your training, not your phone. Set up your workout in seconds. Customize every detail of your interval timer with just a few taps: set your Work and Rest durations, number of Exercises, Rounds, and Round Reset time. The app instantly calculates your total workout time so you always know what you're getting into. Stay focused while you train. A bold, full-screen countdown with a circular progress ring keeps you on track. Always know which phase you're in โ€” Work or Rest โ€” along with your current exercise, round, and total time remaining. Audio cues alert you to every transition so you never have to glance at the screen. Track your consistency. The built-in Workout History tracks your Total Workouts, Total Time, and current Streak. A color-coded calendar lets you see your training days at a glance, and tapping any date reveals a detailed breakdown of every session โ€” including work/rest intervals, exercises, and rounds. Build the habit. Watch your streak grow day by day. Nothing beats seeing a wall of green on your calendar. Why you'll love it: - Clean, intuitive dark-themed interface - Fully customizable Work, Rest, Rounds, Exercises & Round Reset - Large, glanceable timer with circular progress indicator - Audio cues for seamless hands-free transitions - Pause, resume & skip controls mid-workout - Workout history with calendar view & daily streaks This app offers subscription plans. If you choose to subscribe, your payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current billing period. You can manage or cancel your subscription at any time in your App Store account settings. https://sites.google.com/view/polyhootprivacypolicy/privacy-policy https://sites.google.com/view/polyhootprivacypolicy/Terms

Screenshots

CirclesFit4 screens
Interval Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: CirclesFit at none against Interval Timer's 2. Interval Timer's advantage is update cadence (every 2 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Interval Timer sells 2 in-app purchases, starting at $1.99 per month. CirclesFit asks for nothing beyond the download.

UpkeepUpdate frequency

CirclesFit ships an update every 7 months, Interval Timer every 2 days. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

Scorecard2 real differences ยท 4 level
CirclesFit versus Interval Timer: the parameters behind the verdict, then further details
ParameterCirclesFitInterval Timer
PriceFreeFree
Update frequencyEvery 7 monthsEvery 2 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS13.013.0
Further details โ€” not scored
Size2 MB55 MB
Age rating4+4+
DeveloperVelocidev GmbHPratik Khomane

In-app purchases

None

CirclesFit

No in-app purchases

2 purchases

Interval Timer

Subscriptions1
  • PRO ACCESS$1.991 Month
One-time1
  • Lifetime Access$12.99

Questions

Is CirclesFit free?
CirclesFit is free to download, with no in-app purchases.
Is Interval Timer free?
Interval Timer is free to download, with in-app purchases available.
Do CirclesFit or Interval Timer have ads?
Neither CirclesFit nor Interval Timer shows ads.
Which is updated more often, CirclesFit or Interval Timer?
CirclesFit ships an update every 7 months, and Interval Timer every 2 days. Most recently, CirclesFit was updated on October 27, 2026 and Interval Timer on October 8, 2026.

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