Comparison

Interval Flow vs PerfectWOD Timer

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

Head to head
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/

About

PerfectWOD Timer

This app simplifies workout timing with customizable presets for various interval training styles. It offers audible cues for round transitions and displays your timer on the lock screen and Dynamic Island for easy monitoring.

Highlights
  • Customizable timer presets
  • Audible cues for rounds
  • Live Activity on lock screen
  • Dynamic Island integration
  • AMRAP, For Time, EMOM, Tabata timers
  • Round count button
  • Background operation
Read full description

PerfectWod Timer makes timing your workouts a breeze! With custom timer presets for AMRAP, For Time, EMOM and Tabata workouts - you're fully in control! Our 3..2..1 timer will give you an audible queue when your rounds are starting and finishing and Live Activity support on your lock screen and Dynamic Island will showcase keep your timer on screen even when you navigate away from the app! This is what you get: • big and clear display • simple navigation • motivational sound support • timer for "AMRAP" workouts • timer for "EMOM" workouts • timer for "For Time" workouts • timer for "Tabata" workouts • count button to count your rounds during the workout • landscape mode for even bigger numbers • runs in background Have fun sweating with SmartWOD!

Screenshots

Interval Flow4 screens
PerfectWOD Timer3 screens

Verdict

The call

The clearest difference is monetization model: PerfectWOD Timer at free against Interval Flow's subscription. PerfectWOD Timer also leads on rating (5.0 vs 4.7) and review sentiment (67% vs 48%). Interval Flow's advantage is ratings volume (168 vs 5). On price, 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

Both are free to download. Interval Flow sells 10 in-app purchases, starting at $4.99 per 3 months and PerfectWOD Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PerfectWOD Timer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Interval Flow has 168 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 48% of Interval Flow's written reviews are positive against 67% of PerfectWOD Timer's.

UpkeepUpdate frequency

Interval Flow ships an update fortnightly, PerfectWOD Timer every 4 days. The most recent releases landed on September 5, 2026 and June 5, 2026 respectively.

Scorecard5 real differences · 5 level
Interval Flow versus PerfectWOD Timer: the parameters behind the verdict, then further details
ParameterInterval FlowPerfectWOD Timer
PriceFreeFree
Rating4.7 (168 ratings)5.0 (5 ratings) — better
Positive reviews48.1% of reviews66.7% of reviews — better
Number of ratings168 — better5
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size20 MB7 MB
Age rating4+4+
DeveloperBence KaposztaSawyer Billings

Customer experience

Interval Flow

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

PerfectWOD Timer

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

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
1 purchases

PerfectWOD Timer

One-time1
  • Workout Library$1.99

Questions

Is Interval Flow free?
Interval Flow is free to download, with in-app purchases available.
Is PerfectWOD Timer free?
PerfectWOD Timer is free to download, with in-app purchases available.
Which has better reviews, Interval Flow or PerfectWOD Timer?
PerfectWOD Timer is rated higher. Interval Flow averages 4.7 out of 5 from 168 ratings, while PerfectWOD Timer averages 5.0 from 5 ratings.
Do Interval Flow or PerfectWOD Timer have ads?
Neither Interval Flow nor PerfectWOD Timer shows ads.
Which is updated more often, Interval Flow or PerfectWOD Timer?
Interval Flow ships an update fortnightly, and PerfectWOD Timer every 4 days. Most recently, Interval Flow was updated on September 5, 2026 and PerfectWOD Timer on June 5, 2026.

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