BioSign HRV vs Nergy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Brain activity monitoring
- Stress and fatigue tracking
- Biofeedback neurotraining
- Relaxation and meditation experiences
- Mind-controlled VR/gaming interaction
- Cognitive performance improvement
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
BioSign HRV ships an update fortnightly, Nergy weekly. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.
| Parameter | BioSign HRV | Nergy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 187 MB | 902 MB |
| Age rating | 4+ | 4+ |
| Developer | BioSign GmbH | Nergy Technologies FZ-LLC |
Customer experience
BioSign HRV
Nergy
In-app purchases
BioSign HRV
No in-app purchases
Nergy
No in-app purchases









