# KernelHairs vs Keito eHealth

The clearest difference is update cadence: Keito eHealth at monthly against KernelHairs's every 3 months. KernelHairs's advantage is iOS requirement (12.0 vs 15.0). 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.

KernelHairs ships an update every 3 months, Keito eHealth monthly. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KernelHairs | Keito eHealth |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 44 MB | 54 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [徐州科诺医疗仪器设备有限公司](https://appshunter.io/developer/1281841881) | [Keito](https://appshunter.io/developer/1351318202) |

## What reviewers say

### KernelHairs

[App page](https://appshunter.io/ios/app/kernelhairs/id1446514350)

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

**In-app purchases:** none


### Keito eHealth

[App page](https://appshunter.io/ios/app/keito-ehealth/id1546250400)

Track your health metrics like weight, height, BMI, blood pressure, and more. This app connects to Keito devices, allowing you to view and monitor your measurements over time. Easily identify yourself on equipment using barcodes or QR codes.

**Highlights:** Track weight, height, BMI, Monitor blood pressure, pulse, SpO2, Record temperature measurements, Connects with Keito devices, Identify on equipment via barcode/QR code, View measurement evolution

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

**In-app purchases:** none


## Frequently asked questions

### Is KernelHairs free?

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

### Is Keito eHealth free?

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

### Do KernelHairs or Keito eHealth have ads?

Neither KernelHairs nor Keito eHealth shows ads.

### Which is updated more often, KernelHairs or Keito eHealth?

KernelHairs ships an update every 3 months, and Keito eHealth monthly. Most recently, KernelHairs was updated on October 11, 2026 and Keito eHealth on October 24, 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.*