# Camera Heart Rate Variability vs iSeat

The clearest difference is price: iSeat at Free against Camera Heart Rate Variability's $6.99. Camera Heart Rate Variability's advantage is iOS requirement (12.0 vs 14.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

iSeat 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 2 months, iSeat every 5 weeks. The most recent releases landed on September 27, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Camera Heart Rate Variability | iSeat |
| --- | --- | --- |
| 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 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 32 MB | 24 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [A.S.M.A. B.V.](https://appshunter.io/developer/1066843463) | [karma medical products co. ltd](https://appshunter.io/developer/1649874278) |

## What reviewers say

### Camera Heart Rate Variability

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

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


### iSeat

[App page](https://appshunter.io/ios/app/iseat/id6478748568)

**Features:** macOS Compatibility

**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 iSeat free?

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

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

Neither Camera Heart Rate Variability nor iSeat shows ads.

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

Camera Heart Rate Variability ships an update every 2 months, and iSeat every 5 weeks. Most recently, Camera Heart Rate Variability was updated on September 27, 2026 and iSeat on September 19, 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.*