Comparison

Best Interval Timer Pro vs Interval Flow

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 Pro

This app acts as a personal coach, guiding you through various workouts with customizable interval timers. It supports multiple exercise types and allows for unlimited routine creation, ensuring you can focus on your fitness goals without tracking time.

Highlights
  • Customizable interval timers
  • Unlimited routine creation
  • Pre-set editable routines
  • Background and multitasking support
  • Vibration and sound alerts
  • Music playback support
Features
Read full description

Best Interval Timer is a simple but powerful training app, default routines together with your customized routines will help doing your workouts and fitness. This app is like your personal coach, when you are boxing, MMA, jogging, running, Tabata, swimming, pushups, sit ups, yoga, cycling, exercise, stretching, circuit training, and workout etc, just focus on your workout without having to worry about time, Best Interval Timer will lead you to finish them perfectly. You can create unlimited interval timers which could include warm-up, high/low intensity, cool down and rest time etc, you can custom how many sets you wish to do. Eight free editable routines: MMA, Yoga, Pushups, Boxing, Rope Skipping, Dumbbell, Situps and Jogging. Key Features: ⁃ 8 editable default routines. ⁃ Create unlimited your own routines. ⁃ 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 unlimited reminders to alert you doing your workout or anything else. ⁃ Supports universal version. If you have any question or suggestion, please send email to our support userfeed@vip.tom.com.

About

Interval Flow

This app revolutionizes fitness routines with deep customization and advanced tracking for various activities like HIIT, Yoga, and CrossFit. It allows users to create, share, and follow personalized workouts with features like color-coded intervals, real-time progress tracking, and voice assistance.

Highlights
  • Color-coded intervals
  • Customizable circuits
  • Real-time progress tracking
  • Voice assist and search
  • Exercise library
  • Workout sharing
Features
Read full description

Interval Flow: Experience a Workout Revolution Interval Flow is your ultimate fitness companion, designed to transform your workout experience with deep customization and advanced tracking. This versatile app is perfect for a wide range of activities including HIIT, TABATA, CrossFit, Yoga, Pilates, Meditation, and more. With Interval Flow, you can stay focused on your fitness goals while the app handles the details. Key Features: - Color-Coded Intervals: Customize your workout visually with color-coded intervals. Set distinct colors for warm-ups, high-intensity bursts, rest periods, and more, to easily navigate through your routine. - Exercise Library: Build your workouts with ease! Add new exercises or select from the existing ones to tailor your workout to your specific needs. - Real-Time Progress Tracking: Keep a live tab on your workout progress. The dynamic interval list updates in real-time, ensuring you know exactly where you are in your routine. - Customizable Circuits: Create the perfect workout sequence by arranging various exercises into repeatable circuits tailored to your fitness level and goals. - Personalized Interval Warnings: Get timely alerts before an interval ends. Customize the warning sounds to suit your style, ensuring smooth transitions without missing a beat. - Interactive Workflow: Enjoy crafting your workouts with a user-friendly interface that’s as intuitive as it is functional. Setting up your ideal workout regime is now as engaging as the workout itself. - Voice Assist: Let our advanced voice assist guide you through your exercises, announcing what’s next so you can remain focused on your form and intensity. - Voice Search: Quickly find your favorite workouts using voice commands, making your preparation seamless and hands-free. - AirShare: Share your custom workouts with friends or clients effortlessly using AirDrop, enhancing connectivity and interaction. Why Choose Interval Flow? With Interval Flow, you don't just exercise, you experience a revolution in workout efficiency and enjoyment. The app’s intuitive interface and comprehensive customization options make it the optimal companion for anyone serious about fitness. Whether you're powering through a high-intensity session or seeking tranquility in yoga, Interval Flow adapts to your pace and preference. Unlock your potential with Interval Flow – where your workout meets innovation. Interval Flow Subscription: The app includes a 1 month long auto-renewable subscription with a 3-day free trial, which will unlock premium features, like unlimited workouts, timer program editing and autoplay and costs $4.99/ month. It will be charged to your credit card through your iTunes account and will automatically renew unless you canceled at least 24 hours before the end of the current period. Any unused portion of a free trial period will be forfeited when you purchase the subscription. Though your subscription for the current month cannot be canceled, you can turn auto-renewal off in your account settings after purchase. See the instructions here: https://support.apple.com/en-us/HT202039 You can read the terms of use and privacy policy here: https://kapi90.github.io/hiit_timer_privacy_policy.html End User License Agreement (EULA) of the App Store applies: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Best Interval Timer Pro4 screens
Interval Flow4 screens

Verdict

The call

The clearest difference is price: Interval Flow at Free against Best Interval Timer Pro's $0.99. Interval Flow also leads on update cadence (fortnightly vs every 13 months) and ratings volume (168 vs 14). Best Interval Timer Pro's advantage is review sentiment (88% vs 48%) and iOS requirement (16.0 vs 18.6). On rating, ads, 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

Interval Flow is free to download; Best Interval Timer Pro costs $0.99 up front. Best Interval Timer Pro sells 3 in-app purchases, starting at $0.99 per month and Interval Flow sells 10 in-app purchases, starting at $4.99 per 3 months. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Best Interval Timer Pro against 4.7 for Interval Flow. That said, the two scores are not equally well evidenced: Interval Flow has 168 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 88% of Best Interval Timer Pro's written reviews are positive against 48% of Interval Flow's.

UpkeepUpdate frequency

Best Interval Timer Pro ships an update every 13 months, Interval Flow fortnightly. The most recent releases landed on September 27, 2026 and September 5, 2026 respectively.

Scorecard6 real differences · 4 level
Best Interval Timer Pro versus Interval Flow: the parameters behind the verdict, then further details
ParameterBest Interval Timer ProInterval Flow
Price$0.99Free — better
Rating4.8 (14 ratings) — better4.7 (168 ratings)
Positive reviews88.0% of reviews — better48.1% of reviews
Number of ratings14168 — better
Update frequencyEvery 13 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.6
Further details — not scored
Size12 MB20 MB
Age rating4+4+
Developer倩 赵Bence Kaposzta

Customer experience

Best Interval Timer Pro

All ratings14 ratings
Positive92.9%
Neutral7.1%
Negative0.0%
Written reviews25 reviews
Positive88.0%
Neutral4.0%
Negative8.0%

Interval Flow

All ratings168 ratings
Positive93.5%
Neutral2.4%
Negative4.2%
Written reviews27 reviews
Positive48.1%
Neutral18.5%
Negative33.3%

In-app purchases

3 purchases

Best Interval Timer Pro

Subscriptions3
  • Premium - 1 month7 Days trial$0.991 Month
  • Premium - 6 months1 Month trial$5.496 Months
  • Premium - 1 year3 Months trial$9.991 Year
10 purchases

Interval Flow

Subscriptions8
  • 3 Month$4.993 Months
  • 1 Month$9.991 Month
  • 1 Month, 3 day trial3 Days trial$9.991 Month
Show 5 more
  • Annual7 Days trial$14.991 Year
  • 1 Year discounted$25.951 Year
  • 1 Year, 3 day trial3 Days trial$39.991 Year
  • 1 Year$39.991 Year
  • 1 Year Intro month1 Month trial$39.991 Year
One-time2
  • Free Lifetime subscriptionFree
  • Lifetime$24.99

Questions

Is Best Interval Timer Pro free?
Best Interval Timer Pro costs $0.99, and also offers in-app purchases.
Is Interval Flow free?
Interval Flow is free to download, with in-app purchases available.
Which has better reviews, Best Interval Timer Pro or Interval Flow?
Best Interval Timer Pro is rated higher. Best Interval Timer Pro averages 4.8 out of 5 from 14 ratings, while Interval Flow averages 4.7 from 168 ratings.
Do Best Interval Timer Pro or Interval Flow have ads?
Neither Best Interval Timer Pro nor Interval Flow shows ads.
Which is updated more often, Best Interval Timer Pro or Interval Flow?
Best Interval Timer Pro ships an update every 13 months, and Interval Flow fortnightly. Most recently, Best Interval Timer Pro was updated on September 27, 2026 and Interval Flow on September 5, 2026.

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