# MyOS by Optiswiss vs Serea Smart Lock

The clearest difference is update cadence: Serea Smart Lock at every 3 months against MyOS by Optiswiss's every 8 months. MyOS by Optiswiss'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.

MyOS by Optiswiss ships an update every 8 months, Serea Smart Lock every 3 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MyOS by Optiswiss | Serea Smart Lock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 20 MB | 53 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suxesiv](https://appshunter.io/developer/531604457) | [PEWAG](https://appshunter.io/developer/1716692699) |

## What reviewers say

### MyOS by Optiswiss

[App page](https://appshunter.io/ios/app/myos-by-optiswiss/id6444931417)

**Features:** macOS Compatibility

**In-app purchases:** none


### Serea Smart Lock

[App page](https://appshunter.io/ios/app/serea-smart-lock/id6472162995)

**In-app purchases:** none


## Frequently asked questions

### Is MyOS by Optiswiss free?

MyOS by Optiswiss is free to download, with no in-app purchases.

### Is Serea Smart Lock free?

Serea Smart Lock is free to download, with no in-app purchases.

### Do MyOS by Optiswiss or Serea Smart Lock have ads?

Neither MyOS by Optiswiss nor Serea Smart Lock shows ads.

### Which is updated more often, MyOS by Optiswiss or Serea Smart Lock?

MyOS by Optiswiss ships an update every 8 months, and Serea Smart Lock every 3 months. Most recently, MyOS by Optiswiss was updated on November 7, 2026 and Serea Smart Lock on November 4, 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.*