Comparison

Polar Flow vs iTHRVE chakra

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

Head to head
About

Polar Flow

This app helps you track daily activity, analyze workouts with detailed metrics, and gain insights into sleep patterns and recovery. It allows for device management, route planning, and seamless syncing with other popular fitness platforms.

Highlights
  • Activity Tracking
  • Training Analysis
  • Sleep Insights
  • Training Load & Recovery
  • Device & Profile Management
  • Wireless Syncing
  • Third-Party Service Integration
Features
Read full description

Polar Flow: Your Personal Sports, Fitness, and Health Companion The exclusive app designed to maximize the potential of your Polar devices. Key Features: Activity Tracking: Monitor your daily activity, steps, calories burned, and distance to stay motivated throughout the day. Training Analysis: Dive deep into your workouts with detailed data on heart rate, speed, pace, distance, power, and more. Understand the impact of each session and optimize your training routines. Sleep Insights: Discover how well you sleep with advanced sleep tracking. Get feedback on sleep stages and quality to improve your rest and recovery. See how sleep boosts your day and track skin temperature changes. Training Load & Recovery: Understand how your training sessions strain your body and get recommendations on recovery time to prevent overtraining. Manage your watch and profile: Customize and manage your Polar device, Sports profiles for different activities, Routes, and Training Targets. Wireless Syncing: Automatically sync data from your Polar devices for real-time updates, notifications, and other insights. Stay Connected: Connect your profile and sync your data with Strava, TrainingPeaks, Adidas, komoot, and many other services. Why Choose Polar Flow? Personalized Guidance: Receive personalized feedback and guidance and understand your progress. Comprehensive Ecosystem: Integrates seamlessly with Polar watches, heart rate monitors, and more for a holistic experience. User-Friendly Interface: Navigate your data effortlessly with our intuitive and clean design. Notification support: Your Polar watch will receive the same notifications as your phone screen—incoming calls, messages, and app notifications. Secure and Private: Your data is safely stored and protected, giving you peace of mind as you focus on your journey. Polar Flow app allows you to share some of your wellness data with Apple Health. This includes details of your training, your heart rate, and steps. Please note Polar Flow app is not intended for medical or diagnostic use. Get Started Today! Download Polar Flow and unlock the full potential of your Polar devices. You can find more info at https://www.polar.com/flow Connect with us! Instagram: www.instagram.com/polarglobal Facebook: www.facebook.com/polarglobal YouTube: www.youtube.com/polarglobal Find out more about Polar products at https://www.polar.com/en/products

About

iTHRVE chakra

This app visualizes heart rate data as chakra and sacred geometry graphs. It translates heartbeats per minute into musical keys and displays chakra resonance based on your heart's signature. Requires compatible heart rate sensors.

Highlights
  • Heart rate data visualization
  • Chakra resonance graphs
  • Sacred geometry displays
  • Real-time heart activity monitoring
  • Musical key signature calculation
  • Bluetooth sensor integration
Features
Read full description

itHRVe chakras app is designed to receive data from your heart rate and translates them into graphs related to chakras and sacred geometry. itHRVe chakras collects and displays in real-time informations on heart activity (through Polar H7 or H10 chest strap sensors). We convert the actual Heartbeats per minute as displayed in the HRV to calculate a musical fundamental key signature of your heart. The chakras graph displays the resonance of your chakras according to the key signature of your heart rate. This app only provides the ability to receive and display hardware data (HRV sensors) via Bluetooth, This app is not a medical device, is not intended for medical use, and does not provide diagnostic features. The hardware (HRV sensors ) via Bluetooth involved in this application is used only in a jurisdiction that complies with applicable laws and regulations and is not intended as a substitute for medical advice or diagnostic results. Users of the hardware are solely responsible for ensuring compliance with relevant laws, regulations and standards.

Screenshots

Polar Flow4 screens
iTHRVE chakra4 screens

Verdict

The call

The clearest difference is price: Polar Flow at Free against iTHRVE chakra's $4.99. Polar Flow also leads on rating (4.6 vs 3.8) and update cadence (monthly vs every 10 months). iTHRVE chakra's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). On review sentiment, 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

Polar Flow is free to download; iTHRVE chakra costs $4.99 up front. Polar Flow sells 1 in-app purchase, starting at $8.99 per month. iTHRVE chakra asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Polar Flow holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Polar Flow has 50K ratings behind it against 12, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

UpkeepUpdate frequency

Polar Flow ships an update monthly, iTHRVE chakra every 10 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Polar Flow versus iTHRVE chakra: the parameters behind the verdict, then further details
ParameterPolar FlowiTHRVE chakra
PriceFree — better$4.99
Rating4.6 (50K ratings) — better3.8 (12 ratings)
Positive reviews49.6% of reviews50.0% of reviews — better
Number of ratings50K — better12
Update frequencyMonthly — betterEvery 10 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size189 MB31 MB
Age rating4+9+
DeveloperPolar ElectroPatrick Botte

Customer experience

Polar Flow

All ratings50,010 ratings
Positive91.3%
Neutral4.5%
Negative4.2%
Written reviews2,215 reviews
Positive49.6%
Neutral11.2%
Negative39.2%

iTHRVE chakra

All ratings12 ratings
Positive58.3%
Neutral25.0%
Negative16.7%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

Bugs and requests

Polar Flow

Reported bugs

3 issues
  • App crashes during syncing
  • Inconsistent data sync between watch and app
  • Firmware updates causing loss of user data

Requested features

4 requests
  • Ability to manually edit workout data
  • Integration with more third-party apps
  • More advanced training programs and coaching
  • Improved sleep tracking and analysis

iTHRVE chakra

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Polar Flow

Subscriptions1
  • Polar Fitness Program1 Month trial$8.991 Month
None

iTHRVE chakra

No in-app purchases

Questions

Is Polar Flow free?
Polar Flow is free to download, with in-app purchases available.
Is iTHRVE chakra free?
iTHRVE chakra costs $4.99, with no in-app purchases.
Which has better reviews, Polar Flow or iTHRVE chakra?
Polar Flow is rated higher. Polar Flow averages 4.6 out of 5 from 50K ratings, while iTHRVE chakra averages 3.8 from 12 ratings.
Do Polar Flow or iTHRVE chakra have ads?
Neither Polar Flow nor iTHRVE chakra shows ads.
Which is updated more often, Polar Flow or iTHRVE chakra?
Polar Flow ships an update monthly, and iTHRVE chakra every 10 months. Most recently, Polar Flow was updated on October 28, 2026 and iTHRVE chakra on October 24, 2026.

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