# Sensor Bio vs Phaes

The clearest difference is in-app purchases: Sensor Bio at none against Phaes's 4. Phaes's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Phaes sells 4 in-app purchases, starting at $3.99 per month. Sensor Bio asks for nothing beyond the download.

Sensor Bio ships an update weekly, Phaes every 9 days. The most recent releases landed on September 29, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Sensor Bio | Phaes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/sensor-bio/id6745620963/reviews)** | — |
| Number of ratings | **9** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Ad-supported | — |
| Size | 178 MB | 51 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sensr Biotech, LLC](https://appshunter.io/developer/1812560181) | [Silver Mountain Technologies, LLC](https://appshunter.io/developer/1827473089) |

## What reviewers say

### Sensor Bio

[App page](https://appshunter.io/ios/app/sensor-bio/id6745620963)

This platform uses biosensors to remotely monitor key health metrics like heart rate, HRV, and sleep stages. It provides personalized insights and is designed for general fitness and wellness purposes.

**Highlights:** Clinical-grade biometrics, Validated heart rate and HRV tracking, Detailed sleep stage analysis, Remote monitoring capabilities, Personalized health insights

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

**In-app purchases:** none


### Phaes

[App page](https://appshunter.io/ios/app/phaes/id6771756758)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insights monthly | $3.99 | per month |
| Monthly | $9.99 | per month |
| Yearly Insights | $29.99 | per year |
| Yearly | $69.99 | per year |


## Frequently asked questions

### Is Sensor Bio free?

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

### Is Phaes free?

Phaes is free to download, with in-app purchases available.

### Do Sensor Bio or Phaes have ads?

Neither Sensor Bio nor Phaes shows ads.

### Which is updated more often, Sensor Bio or Phaes?

Sensor Bio ships an update weekly, and Phaes every 9 days. Most recently, Sensor Bio was updated on September 29, 2026 and Phaes on September 13, 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.*