# Camera Heart Rate Variability vs HydrosenseAI

The clearest difference is price: HydrosenseAI at Free against Camera Heart Rate Variability's $6.99. HydrosenseAI also leads on update cadence (fortnightly vs every 4 months). Camera Heart Rate Variability's advantage is chart position (#156 vs unranked) and iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

HydrosenseAI is free to download; Camera Heart Rate Variability costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Camera Heart Rate Variability ships an update every 4 months, HydrosenseAI fortnightly. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Camera Heart Rate Variability | HydrosenseAI |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[2.8 (8 ratings)](https://appshunter.io/ios/app/camera-heart-rate-variability/id788460316/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 27.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Best chart rank | **#156** | — |
| Size | 32 MB | 59 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A.S.M.A. B.V.](https://appshunter.io/developer/1066843463) | [Innovosens](https://appshunter.io/developer/1550075388) |

## What reviewers say

### Camera Heart Rate Variability

[App page](https://appshunter.io/ios/app/camera-heart-rate-variability/id788460316)

**Currently charting:** #156 Top Paid · Health & Fitness (US App Store)

Measure heart rate variability using your phone's camera without external devices. Analyze time and frequency domain features to understand cardiac autonomic regulation, stress levels, and training impact.

**Highlights:** Record and plot HRV data, Extract time and frequency domain features, No heart rate monitor required, Configurable time window for analysis, Automatic RR-interval correction, Event annotation and comparison, Data export to iTunes and Dropbox

**Features:** Vision Pro support

**In-app purchases:** none


### HydrosenseAI

[App page](https://appshunter.io/ios/app/hydrosenseai/id6759246981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Camera Heart Rate Variability free?

Camera Heart Rate Variability costs $6.99, with no in-app purchases.

### Is HydrosenseAI free?

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

### Do Camera Heart Rate Variability or HydrosenseAI have ads?

Neither Camera Heart Rate Variability nor HydrosenseAI shows ads.

### Which is updated more often, Camera Heart Rate Variability or HydrosenseAI?

Camera Heart Rate Variability ships an update every 4 months, and HydrosenseAI fortnightly. Most recently, Camera Heart Rate Variability was updated on November 1, 2026 and HydrosenseAI on October 28, 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.*