Comparison

InnerSync Pro vs Heart Rate Variability +

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

Head to head
About

InnerSync Pro

Features
Read full description

InnerSync Pro. Cardiac coherence in the hands of professionals. You're a practitioner, coach, therapist, or healthcare professional. Your clients count on you for concrete results, not just an impression. InnerSync Pro equips you for exactly that: reliable measurements, clear tracking, precise guidance. Connect a Bluetooth heart sensor. Start a session. Within minutes, you hold a complete, clear analysis in your hands, ready to use with your client right away. DESIGNED FOR YOUR PRACTICE Your entire client base, organized and instantly accessible. Complete history and progress tracking for every client. Your clients get involved: they share their sessions, you follow their progress. Trend graphs to visualize the journey. Session comparison to measure progress. PROFESSIONAL ANALYTICS Tachogram: every beat, every variation. Spectrogram: the autonomic nervous system's evolution over time. Automated interpretations and personalized recommendations. The app translates complexity into clear, actionable insights. ENGAGING SESSIONS Visual, calming breathing guidance. Real-time feedback on coherence quality. Automatic artifact detection. Your data stays reliable. DR DAVID O'HARE TRAININGS Cardiac coherence trainings designed and led by Dr David O'Hare, a physician and world-renowned expert. Learn, refine your skills, certify your approach. Optimized for iPhone and iPad Your data and your clients' data: protected, secure, yours. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.innersync.io/en/privacy-policy

About

Heart Rate Variability +

Read full description

Your personal assistant for monitoring heart rate variability (HRV) and managing stress levels provides deep health analytics to help you understand your current state with insights such as Balance and Stress Score. It offers personalized recommendations and highlights how external factors like caffeine may influence your rhythm. With clear trend visualizations, you can track HRV changes, resting heart rate, and view progress over weeks, months, or even years. Guided breathing exercises are available to reduce stress and improve HRV, with flexible session lengths of 2, 5, or 8 minutes. A built-in health journal stores all measurements with color-coded indicators of your state, from Calm to Overload. The free version includes weekly statistics and limited measurements, while the premium plan unlocks unlimited history, reminders, full breathing sessions, and complete data analysis from your smartwatch. This app contains auto-renewable subscriptions. You can cancel your subscription at any time - 1 week $4.99, - 1 month $12.99, - 1 year $39.99, - Lifetime $59.99. Terms of Use Link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Link: https://docs.google.com/document/d/11KMMY_NyKRM2REvj_FtrgnjyqdYbuY-JBDHjpvFXzqk/edit?usp=sharing Disclaimer: This application is not a medical instrument. It is provided solely for informational purposes and must not be relied upon as a replacement for professional medical advice, diagnosis, or treatment. If you have any concerns about a health condition, consult your physician or another qualified healthcare provider. In the event of a medical emergency, contact your doctor or call emergency services without delay.

Screenshots

InnerSync Pro4 screens
Heart Rate Variability +4 screens

Verdict

The call

The clearest difference is in-app purchases: InnerSync Pro at none against Heart Rate Variability +'s 5. On price, update cadence, 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. Heart Rate Variability + sells 5 in-app purchases, starting at $4.99 per 7 days. InnerSync Pro asks for nothing beyond the download.

UpkeepUpdate frequency

InnerSync Pro ships an update every 2 months, Heart Rate Variability + every 4 months. Both last shipped on October 25, 2026.

Scorecard1 real difference · 5 level
InnerSync Pro versus Heart Rate Variability +: the parameters behind the verdict, then further details
ParameterInnerSync ProHeart Rate Variability +
PriceFreeFree
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size62 MB54 MB
Age rating4+4+
DeveloperAGS SRLMD SOFTWARE SERVICES LTD

In-app purchases

None

InnerSync Pro

No in-app purchases

5 purchases

Heart Rate Variability +

Subscriptions4
  • Weekly$4.997 Days
  • Weekly-Trial3 Days trial$4.997 Days
  • Monthly$12.991 Month
Show 1 more
  • Yearly$39.991 Year
One-time1
  • Lifetime$59.99

Questions

Is InnerSync Pro free?
InnerSync Pro is free to download, with no in-app purchases.
Is Heart Rate Variability + free?
Heart Rate Variability + is free to download, with in-app purchases available.
Do InnerSync Pro or Heart Rate Variability + have ads?
Neither InnerSync Pro nor Heart Rate Variability + shows ads.
Which is updated more often, InnerSync Pro or Heart Rate Variability +?
InnerSync Pro ships an update every 2 months, and Heart Rate Variability + every 4 months. Most recently, InnerSync Pro was updated on October 25, 2026 and Heart Rate Variability + on October 25, 2026.

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