Comparison

WorkOther 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

WorkOther

Create and customize your own workouts directly on your Apple Watch. Track your progress and monitor your fat-burning heart rate zone for improved weight loss efficiency. Integrates with HealthKit to sync your workout data.

Highlights
  • Create custom workouts
  • Use workouts on Apple Watch
  • Fat burning heart rate indication
  • Weight loss efficiency improvement
  • HealthKit integration
Features
Read full description

Have you ever bothered looking for appropriate workouts on your watch? If so, why not create ones by yourself? WorkOther helps you do that, you can create custom workouts on it and use them on Apple Watch, which makes your Watch the all-round workout tracker. Another feature worth mentioning is fat burning heart rate indication, It ensures your exercise intensity is enough for burning fat, so as to improve weight loss efficiency. HealthKit WorkOther requires the HealthKit permission to read your heart rate while doing exercises with Apple Watch, and write workout data into Health app.

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

WorkOther3 screens
Interval Flow4 screens

Verdict

The call

The clearest difference is in-app purchases: WorkOther at none against Interval Flow's 10. WorkOther also leads on review sentiment (58% vs 48%) and iOS requirement (15.0 vs 18.6). Interval Flow's advantage is update cadence (fortnightly vs every 2 months). On price, rating, ratings volume and ads 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. WorkOther asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for WorkOther against 4.7 for Interval Flow. Both are backed by a comparable volume of ratings — 200 and 168 respectively. Written reviews are what separate them: 58% of WorkOther's written reviews are positive against 48% of Interval Flow's.

UpkeepUpdate frequency

WorkOther ships an update every 2 months, Interval Flow fortnightly. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

Scorecard5 real differences · 5 level
WorkOther versus Interval Flow: the parameters behind the verdict, then further details
ParameterWorkOtherInterval Flow
PriceFreeFree
Rating4.6 (200 ratings)4.7 (168 ratings) — better
Positive reviews57.7% of reviews — better48.1% of reviews
Number of ratings200 — better168
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size35 MB20 MB
Age rating4+4+
Developer晓东 林Bence Kaposzta

Customer experience

WorkOther

All ratings200 ratings
Positive89.0%
Neutral4.5%
Negative6.5%
Written reviews52 reviews
Positive57.7%
Neutral11.5%
Negative30.8%

Interval Flow

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

User reviews

WorkOther

From 200 App Store ratings

What we love

  • 👍 Records custom workouts
  • 👍 Integrates with Fitness app
  • 👍 Useful for non-standard exercises
  • 👍 Good idea for tracking activities
  • 👍 Seamless with Apple Watch/iPhone

Room to improve

  • 🐛 App crashes frequently
  • 🐛 Watch app not installed
  • 🐛 Poor responsiveness/stuck
  • 🐛 Exercises stop after minutes
  • 🐛 No GPS/distance tracking

Interval Flow

From 168 App Store ratings

What we love

  • 👍 Nicely designed with good features
  • 👍 Unique and brilliantly for keeping fit
  • 👍 Simplicity gets it done

Room to improve

  • 🐛 App crashes on launch
  • 🐛 App doesn't remember interval settings
  • 🐛 App rearranges workout order
  • 🐛 Cannot see questionnaire properly
  • 🐛 Robot voice with no visual instructions

Bugs and requests

WorkOther

Reported bugs

22 issues
  • Watch app not installed
  • Exercises stop after minutes
  • Poor responsiveness, frequently stuck
  • App crashes automatically
  • Watch app closes unexpectedly
Show 17 more
  • Syncing workout to Watch not working
  • Watch app installation issues
  • Watch app not configuring
  • AirPods Pro disconnects during workout
  • Custom workouts show as 'Other' on Watch
  • App crashes when receiving notifications
  • Watch app not installed
  • Exercises stop after minutes
  • Poor responsiveness, frequently stuck
  • App crashes automatically
  • Watch app closes unexpectedly
  • Syncing workout to Watch not working
  • Watch app installation issues
  • Watch app not configuring
  • AirPods Pro disconnects during workout
  • Custom workouts show as 'Other' on Watch
  • App crashes when receiving notifications

Requested features

28 requests
  • Add custom workout icons
  • Sync custom workouts to WeChat
  • Add GPS/distance tracking
  • Allow choosing GPS or not
  • Associate geographical information
Show 23 more
  • Option to disable voice prompt volume
  • Add weekly/monthly single item statistics
  • Allow use with iTunes or Spotify
  • Add calorie display on home screen
  • Record number of repetitions
  • Allow switching measurement units
  • Disable voice prompts
  • Add calorie display in overview
  • Support modifying workout item icons
  • Allow custom workout icons
  • Sync custom workouts to WeChat
  • Add GPS/distance tracking
  • Allow choosing GPS or not
  • Associate geographical information
  • Option to disable voice prompt volume
  • Add weekly/monthly single item statistics
  • Allow use with iTunes or Spotify
  • Add calorie display on home screen
  • Record number of repetitions
  • Allow switching measurement units
  • Disable voice prompts
  • Add calorie display in overview
  • Support modifying workout item icons

Interval Flow

Reported bugs

10 issues
  • Programs deleted after update
  • App crashes when adding a program
  • Show/Hide Instructions adds time to interval
  • App defaults to unused workout
  • Cannot permanently skip to end of timed activity
Show 5 more
  • Intervals revert to previous settings
  • App won't remember order of custom circuit interval programs
  • Blank screen after download
  • Cannot get program to open
  • Cannot see bottom of screen on questionnaire

Requested features

5 requests
  • Increase repetitions to 20
  • Streamline adding intervals
  • Make it possible to hide unused workouts
  • Add music integration or option
  • Provide visual instructions for moves

In-app purchases

None

WorkOther

No 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

Questions

Is WorkOther free?
WorkOther is free to download, with no in-app purchases.
Is Interval Flow free?
Interval Flow is free to download, with in-app purchases available.
Which has better reviews, WorkOther or Interval Flow?
Interval Flow is rated higher. WorkOther averages 4.6 out of 5 from 200 ratings, while Interval Flow averages 4.7 from 168 ratings.
Do WorkOther or Interval Flow have ads?
Neither WorkOther nor Interval Flow shows ads.
Which is updated more often, WorkOther or Interval Flow?
WorkOther ships an update every 2 months, and Interval Flow fortnightly. Most recently, WorkOther was updated on October 17, 2026 and Interval Flow on October 6, 2026.

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