Comparison

HWPO Training 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

HWPO Training

Access a variety of fitness programs designed for different lifestyles and goals, inspired by a 5x CrossFit Games Champion. Track progress, view coaching videos, and engage with a supportive community. Programs cater to all skill levels, from quick gym sessions to elite competition training.

Highlights
  • Variety of fitness programs
  • Personalized progress tracking
  • Real-time leaderboard
  • Coaching videos by Mat Fraser
  • Exercise demos
  • Members-only support platform
  • Community engagement
Features
Read full description

HWPO Training encompasses fitness programs created for a community of HARD WORKERS, inspired by 5x CrossFit Games Champion, Mat Fraser’s motto “Hard Work Pays Off”. The HWPO Training app offers a variety of programs to suit different lifestyles, goals, equipment accessibility, and skill levels. Whether you need to be in and out of the gym in 45 minutes or you’re training to be an elite-level competitor, HWPO Training has a workout program for you. Athletes can track their progress using personalized sessions based on individual performance metrics and celebrate their achievements on the real-time leaderboard. The app also provides coaching videos by Mat Fraser himself, as well as our team of world-class expert coaches, guiding members through every training session and providing demos of each exercise. Our HARD WORKERS also gain access to our members-only support platform, where they can ask questions, receive feedback, watch exclusive content and engage with others in the community around the world. No matter how or where you move, all we ask is that you live out our core values in and out of the gym: SHOW UP. Do today what others won’t so tomorrow you can do what others can’t. WORK HARD. Define success for yourself and be relentless in your pursuit of it; it’s about the process. MAKE YOURSELF PROUD. Do things with intention and set an example of HARD WORK for those around you.

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

HWPO Training4 screens
Interval Flow4 screens

Verdict

The call

The clearest difference is in-app purchases: HWPO Training at none against Interval Flow's 10. HWPO Training also leads on review sentiment (80% vs 48%) and ratings volume (3.2K vs 168). Interval Flow's advantage is update cadence (fortnightly vs monthly). On price, ads 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. HWPO Training asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HWPO Training holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: HWPO Training has 3.2K ratings behind it against 168, so its average is the more settled of the two. Written reviews point the same way: 80% of HWPO Training's written reviews are positive against 48% of Interval Flow's.

UpkeepUpdate frequency

HWPO Training ships an update monthly, Interval Flow fortnightly. The most recent releases landed on September 23, 2026 and September 5, 2026 respectively.

Scorecard7 real differences · 3 level
HWPO Training versus Interval Flow: the parameters behind the verdict, then further details
ParameterHWPO TrainingInterval Flow
PriceFreeFree
Rating4.9 (3.2K ratings) — better4.7 (168 ratings)
Positive reviews79.7% of reviews — better48.1% of reviews
Number of ratings3.2K — better168
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size122 MB20 MB
Age rating4+4+
DeveloperHWPOBence Kaposzta

Customer experience

HWPO Training

All ratings3,249 ratings
Positive97.1%
Neutral1.0%
Negative1.9%
Written reviews172 reviews
Positive79.7%
Neutral3.5%
Negative16.9%

Interval Flow

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

Bugs and requests

HWPO Training

Reported bugs

3 issues
  • Sound issues with videos
  • Workouts not loaded on time
  • Incompatibility with older devices

Requested features

6 requests
  • In-app timer for AMRAP and interval workouts
  • Ability to adjust prescribed weights/reps
  • Progression tracking for lifts and other metrics
  • Ability to move between workout days without calendar
  • Alternate workout options for missing equipment
Show 1 more
  • Gymnastics progression videos and techniques

Interval Flow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

HWPO Training

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 HWPO Training free?
HWPO Training 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, HWPO Training or Interval Flow?
HWPO Training is rated higher. HWPO Training averages 4.9 out of 5 from 3.2K ratings, while Interval Flow averages 4.7 from 168 ratings.
Do HWPO Training or Interval Flow have ads?
Neither HWPO Training nor Interval Flow shows ads.
Which is updated more often, HWPO Training or Interval Flow?
HWPO Training ships an update monthly, and Interval Flow fortnightly. Most recently, HWPO Training was updated on September 23, 2026 and Interval Flow on September 5, 2026.

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