# MySignals vs Kstyle OS

The clearest difference is rating: Kstyle OS at 3.4 against MySignals's 1.0. Kstyle OS also leads on update cadence (every 2 days vs monthly) and ratings volume (14 vs 1). MySignals's advantage is iOS requirement (8.2 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kstyle OS holds the better App Store score, 3.4 against 1.0. That said, the two scores are not equally well evidenced: Kstyle OS has 14 ratings behind it against 1, so its average is the more settled of the two.

MySignals ships an update monthly, Kstyle OS every 2 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MySignals | Kstyle OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mysignals/id1138747630/reviews) | **[3.4 (14 ratings)](https://appshunter.io/ios/app/kstyle-os/id6503945039/reviews)** |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 14 MB | 248 MB |
| Requires iOS | **8.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Libelium](https://appshunter.io/developer/501974233) | [上海凯斯领拓技术有限公司](https://appshunter.io/developer/1696907877) |

## What reviewers say

### MySignals

[App page](https://appshunter.io/ios/app/mysignals/id1138747630)

Visualize real-time biometric data from connected medical devices. Access historical sensor readings stored in the cloud. This platform supports over 15 different health parameters for comprehensive eHealth projects.

**Highlights:** Real-time biometric visualization, Access historical cloud data, Supports 15+ biometric parameters, Bluetooth Low Energy connectivity, CE/FCC/IC certified, Data storage and real-time viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### Kstyle OS

[App page](https://appshunter.io/ios/app/kstyle-os/id6503945039)

This companion app syncs with a specific smartwatch to display incoming calls and messages. It records and visualizes heart rate and motion data, and allows for smartwatch reminders and alarms. It's designed for general fitness tracking, not medical use.

**Highlights:** Incoming call and SMS/MMS push to smartwatch, Quick reply to rejected calls, Heart rate data recording and visualization, Motion data tracking (steps, distance), Smartwatch reminder and alarm settings, General fitness and health monitoring

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MySignals free?

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

### Is Kstyle OS free?

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

### Which has better reviews, MySignals or Kstyle OS?

Kstyle OS is rated higher. MySignals averages 1.0 out of 5 from 1 ratings, while Kstyle OS averages 3.4 from 14 ratings.

### Do MySignals or Kstyle OS have ads?

Neither MySignals nor Kstyle OS shows ads.

### Which is updated more often, MySignals or Kstyle OS?

MySignals ships an update monthly, and Kstyle OS every 2 days. Most recently, MySignals was updated on October 5, 2026 and Kstyle OS on October 8, 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.*