Comparison

BioSign HRV vs Nergy

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

Head to head
About

BioSign HRV

Monitor heart rate variability (HRV) and engage in biofeedback exercises. Analyze recovery, stress, and daily condition with data insights. Securely store and share your health metrics.

Highlights
  • HRV measurement and biofeedback exercises
  • Qiu+ device configuration and data reading
  • Secure cloud data upload to myQiu
  • Integration into BioSign HRV concept
  • Data privacy and consent-based sharing
Features
Read full description

BioSign HRV – Your app for HRV measurement, biofeedback, and Qiu+ configuration With the BioSign HRV app, you get a powerful and user-friendly tool for mobile HRV monitoring and HRV biofeedback – developed based on over 25 years of research and practical experience. Features at a glance: - Conducting HRV measurements and biofeedback exercises - Configuring and reading data from the Qiu+ - Direct upload of measurement results to myQiu, our secure cloud platform with servers located in Germany - Integration into the proven BioSign HRV concept for self-measurement, analysis, and training Your data is safe with us: Data protection is our highest priority. Your personal measurement data will only be shared with your express consent – ​​e.g., with your coach, therapist, or trainer. Who is the app suitable for? A healthy parasympathetic nervous system is crucial for recovery, resilience, and well-being – and can be visualized through heart rate variability (HRV). This app helps you find answers to questions like these: - How good is my recovery capacity? - How has my HRV changed over time? - What is my current daily condition? - Am I still coping well with stress? - Are my lifestyle changes or therapeutic measures working? - My training supports my health – or am I overtaxing myself? Requirements: A myQiu account with a valid license is required for measurements, biofeedback exercises, and uploading Qiu+ data. The Qiu+ can also be configured without an account. Compatible Sensors: - Kyto HRM - Qiu+ - Polar H7, H9, and H10

About

Nergy

This app allows you to monitor your brain activity and mental states like stress and focus. Engage in biofeedback training and access relaxation experiences to enhance cognitive performance. It also enables mind-controlled interaction with VR and gaming consoles.

Highlights
  • Brain activity monitoring
  • Stress and fatigue tracking
  • Biofeedback neurotraining
  • Relaxation and meditation experiences
  • Mind-controlled VR/gaming interaction
  • Cognitive performance improvement
Read full description

Your brain is the new interface. The BCI companion app helps you monitor brain activity, track stress, fatigue, focus, and other mental states, complete biofeedback-based neurotraining sessions, and access relaxation, meditation, and neuropsychology experiences. It is a powerful new way to improve focus, cognitive endurance, and everyday performance. And that is only the beginning. Connect your BCI device to VR headsets and gaming consoles, use it as an external controller, and interact with digital environments using the power of your mind — like in the best sci-fi films, now made real.

Screenshots

BioSign HRV4 screens
Nergy4 screens

Verdict

The call

The clearest difference is monetization model: BioSign HRV at free against Nergy's ad-supported. Nergy's advantage is update cadence (weekly vs fortnightly). 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for BioSign HRV against 5.0 for Nergy. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

BioSign HRV ships an update fortnightly, Nergy weekly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
BioSign HRV versus Nergy: the parameters behind the verdict, then further details
ParameterBioSign HRVNergy
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size187 MB902 MB
Age rating4+4+
DeveloperBioSign GmbHNergy Technologies FZ-LLC

Customer experience

BioSign HRV

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Nergy

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

BioSign HRV

No in-app purchases

None

Nergy

No in-app purchases

Questions

Is BioSign HRV free?
BioSign HRV is free to download, with no in-app purchases.
Is Nergy free?
Nergy is free to download, with no in-app purchases.
Which has better reviews, BioSign HRV or Nergy?
BioSign HRV and Nergy are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do BioSign HRV or Nergy have ads?
Neither BioSign HRV nor Nergy shows ads.
Which is updated more often, BioSign HRV or Nergy?
BioSign HRV ships an update fortnightly, and Nergy weekly. Most recently, BioSign HRV was updated on September 10, 2026 and Nergy on September 20, 2026.

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