# Access Control by Shelly vs cityOS

The clearest difference is update cadence: cityOS at every 10 days against Access Control by Shelly's every 2 months. 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.

Access Control by Shelly ships an update every 2 months, cityOS every 10 days. Both last shipped on November 12, 2026.

## The numbers

| Metric | Access Control by Shelly | cityOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 10 MB | 99 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHELLY EUROPE EOOD](https://appshunter.io/developer/1521653049) | [EVO electronics LLC](https://appshunter.io/developer/1554293425) |

## What reviewers say

### Access Control by Shelly

[App page](https://appshunter.io/ios/app/access-control-by-shelly/id6474441948)

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

**In-app purchases:** none


### cityOS

[App page](https://appshunter.io/ios/app/cityos/id6744465892)

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

**In-app purchases:** none


## Frequently asked questions

### Is Access Control by Shelly free?

Access Control by Shelly is free to download, with no in-app purchases.

### Is cityOS free?

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

### Do Access Control by Shelly or cityOS have ads?

Neither Access Control by Shelly nor cityOS shows ads.

### Which is updated more often, Access Control by Shelly or cityOS?

Access Control by Shelly ships an update every 2 months, and cityOS every 10 days. Most recently, Access Control by Shelly was updated on November 12, 2026 and cityOS on November 12, 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.*