# Sensor Bio vs FastTrack Fasting Timer

The clearest difference is in-app purchases: Sensor Bio at none against FastTrack Fasting Timer's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FastTrack Fasting Timer sells 2 in-app purchases, starting at $1.99 per month. Sensor Bio asks for nothing beyond the download.

## The numbers

| Metric | Sensor Bio | FastTrack Fasting Timer |
| --- | --- | --- |
| 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 | — |
| Monetization | Ad-supported | — |
| Size | 178 MB | 2 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sensr Biotech, LLC](https://appshunter.io/developer/1812560181) | [Chris Karlin](https://appshunter.io/developer/1879921798) |

## 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


### FastTrack Fasting Timer

[App page](https://appshunter.io/ios/app/fasttrack-fasting-timer/id6759629324)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Sensor Bio free?

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

### Is FastTrack Fasting Timer free?

FastTrack Fasting Timer is free to download, with in-app purchases available.

### Do Sensor Bio or FastTrack Fasting Timer have ads?

Neither Sensor Bio nor FastTrack Fasting Timer shows ads.

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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.*