Comparison

Activity Plus 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

Activity Plus

This app helps you maintain your activity streaks and recover lost ones by closing your rings. It offers global challenges, customizable widgets, and detailed progress insights to keep you motivated and informed about your fitness journey.

Highlights
  • Streak recovery for activity rings
  • Global fitness challenges
  • Customizable home screen widgets
  • Monthly challenges and awards
  • Graphical progress insights
  • Comprehensive activity tracking
  • Audio and video-guided workouts
Features
Read full description

Activity Plus helps you track your activity rings, protect your Move streak, review workouts, compare progress, and stay motivated every day. Follow your Move, Exercise, and Stand goals, recover missed ring days, customize widgets, unlock awards, and see your activity history across iPhone, iPad, and Apple Watch. Main Features: - Siri: Ask Siri to check your activity rings, daily metrics, and nutrition, compare weeks, or open your latest workout. - Energy & Nutrition: Compare calories consumed and burned, and view protein, fat, and carbs from Apple Health. - Protect Your Move Streak: Missed a day? Use Close Rings to recover a previous day and keep your Longest Move Streak on track. - Activity Rings: Track your Move, Exercise, and Stand progress throughout the day. - Home Screen Widgets: Keep rings, steps, distance, workouts, energy, and nutrition in view on your Home Screen. - Awards & Monthly Challenges: Stay motivated with goals, badges, and achievements. - Activity Stats: View steps, distance, and floors together, track progress toward your goals, and review active energy and daily metrics. - Workout Insights: Search your workouts and review routes, pace, distance, energy, and monthly results. - Global Challenges: Compete with friends and users around the world. - Global Leaderboard: Compare Move, Steps, Distance, and Exercise results. - Goal Notifications: Get notified when you reach your daily goals. - Share Your Progress: Share activity rings and workout stats with photos or videos. - Custom Goals: Set personal goals for Move, Exercise, Stand, Distance, Steps, and Floors. - Light & Dark Mode: Choose the look that works best for you. - Custom App Icons: Personalize Activity Plus with your favorite icon. Apple Watch Features: - Use Activity Plus directly on Apple Watch. - Review activity from previous days. - Add activity details to your watch face with complications. - Join the global leaderboard without adding contacts. Privacy: Activity Plus requests access to your Health data, including Activity, Steps, Distance, and Workouts, to show your stats, progress, widgets, goals, and workout history. Nutrition and energy data from Apple Health are also used to display your nutrition and calorie summaries. Terms of Use: https://gaivoronskii.com/activity/terms/ Privacy Policy: https://gaivoronskii.com/activity/privacy-policy/

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

Activity Plus4 screens
Interval Flow4 screens

Verdict

The call

The clearest difference is monetization model: Activity Plus at free with in-app purchases against Interval Flow's subscription. Activity Plus also leads on ratings volume (2K vs 168). On price, rating, review sentiment and update cadence 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. Activity Plus sells 4 in-app purchases, starting at $2.99 per 7 days 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 — 4.6 for Activity Plus against 4.7 for Interval Flow. That said, the two scores are not equally well evidenced: Activity Plus has 2K ratings behind it against 168, so its average is the more settled of the two. Written reviews are what separate them: 51% of Activity Plus's written reviews are positive against 48% of Interval Flow's.

UpkeepUpdate frequency

Activity Plus ships an update every 2 weeks, Interval Flow fortnightly. The most recent releases landed on September 24, 2026 and September 5, 2026 respectively.

Scorecard2 real differences · 8 level
Activity Plus versus Interval Flow: the parameters behind the verdict, then further details
ParameterActivity PlusInterval Flow
PriceFreeFree
Rating4.6 (2K ratings)4.7 (168 ratings) — better
Positive reviews50.9% of reviews — better48.1% of reviews
Number of ratings2K — better168
Update frequencyEvery 2 weeks — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.0 — better18.6
Further details — not scored
Size74 MB20 MB
Age rating4+4+
DeveloperGaivoronski Andrei Vyacheslavovich, IPBence Kaposzta

Customer experience

Activity Plus

All ratings1,979 ratings
Positive88.7%
Neutral3.8%
Negative7.5%
Written reviews173 reviews
Positive50.9%
Neutral15.0%
Negative34.1%

Interval Flow

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

Bugs and requests

Activity Plus

Reported bugs

4 issues
  • Crashes frequently
  • Syncing issues
  • Inaccurate data tracking
  • Compatibility issues with older devices

Requested features

5 requests
  • Add ability to manually log exercises
  • Add water intake tracking
  • Improve widget customization
  • Sync data across devices
  • Add more workout options

Interval Flow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Activity Plus

Subscriptions3
  • Activity+$2.997 Days
  • Activity+$6.991 Month
  • Activity+$29.991 Year
One-time1
  • Close Rings$1.99
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 Activity Plus free?
Activity Plus is free to download, with in-app purchases available.
Is Interval Flow free?
Interval Flow is free to download, with in-app purchases available.
Which has better reviews, Activity Plus or Interval Flow?
Interval Flow is rated higher. Activity Plus averages 4.6 out of 5 from 2K ratings, while Interval Flow averages 4.7 from 168 ratings.
Do Activity Plus or Interval Flow have ads?
Neither Activity Plus nor Interval Flow shows ads.
Which is updated more often, Activity Plus or Interval Flow?
Activity Plus ships an update every 2 weeks, and Interval Flow fortnightly. Most recently, Activity Plus was updated on September 24, 2026 and Interval Flow on September 5, 2026.

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