# KHR vs Sensor Bio

The clearest difference is update cadence: Sensor Bio at weekly against KHR's fortnightly. KHR's advantage is iOS requirement (15.1 vs 18.0). 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.

KHR ships an update fortnightly, Sensor Bio weekly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | KHR | Sensor Bio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sensor-bio/id6745620963/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 47 MB | 179 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Laina Enterprises, Inc.](https://appshunter.io/developer/1588943641) | [Sensr Biotech, LLC](https://appshunter.io/developer/1812560181) |

## What reviewers say

### KHR

[App page](https://appshunter.io/ios/app/khr/id6743888324)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is KHR free?

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

### Is Sensor Bio free?

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

### Do KHR or Sensor Bio have ads?

Neither KHR nor Sensor Bio shows ads.

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

KHR ships an update fortnightly, and Sensor Bio weekly. Most recently, KHR was updated on October 7, 2026 and Sensor Bio on October 15, 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.*