# BioSign HRV vs Sonjas Nähstübchen

The clearest difference is update cadence: BioSign HRV at fortnightly against Sonjas Nähstübchen's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BioSign HRV ships an update fortnightly, Sonjas Nähstübchen every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | BioSign HRV | Sonjas Nähstübchen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/biosign-hrv/id1609779336/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 187 MB | 138 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [BioSign GmbH](https://appshunter.io/developer/1519501157) | [Charles Imilkowski](https://appshunter.io/developer/1896708405) |

## 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


### Sonjas Nähstübchen

[App page](https://appshunter.io/ios/app/sonjas-nahstubchen/id6773430346)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BioSign HRV free?

BioSign HRV is free to download, with no in-app purchases.

### Is Sonjas Nähstübchen free?

Sonjas Nähstübchen is free to download, with no in-app purchases.

### Do BioSign HRV or Sonjas Nähstübchen have ads?

Neither BioSign HRV nor Sonjas Nähstübchen shows ads.

### Which is updated more often, BioSign HRV or Sonjas Nähstübchen?

BioSign HRV ships an update fortnightly, and Sonjas Nähstübchen every 2 months. Most recently, BioSign HRV was updated on October 24, 2026 and Sonjas Nähstübchen on October 24, 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.*