# BioSign HRV vs Nergy

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.

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 28, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BioSign HRV | Nergy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/biosign-hrv/id1609779336/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/nergy/id6758839128/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 187 MB | 902 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BioSign GmbH](https://appshunter.io/developer/1519501157) | [Nergy Technologies FZ-LLC](https://appshunter.io/developer/1875244816) |

## What reviewers say

### BioSign HRV

[App page](https://appshunter.io/ios/app/biosign-hrv/id1609779336)

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:** Vision Pro support

**In-app purchases:** none


### Nergy

[App page](https://appshunter.io/ios/app/nergy/id6758839128)

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

**In-app purchases:** none


## Frequently asked 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 28, 2026 and Nergy on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*