# Smart Building Controller vs CyO

The clearest difference is update cadence: CyO at monthly against Smart Building Controller's every 5 months. CyO also leads on iOS requirement (10.0 vs 13.4). 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.

Smart Building Controller ships an update every 5 months, CyO monthly. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Smart Building Controller | CyO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Size | 27 MB | 157 MB |
| Requires iOS | 13.4 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Minh Phuc Nguyen](https://appshunter.io/developer/1442056130) | [CYFEER Joint Stock Company](https://appshunter.io/developer/776846346) |

## What reviewers say

### Smart Building Controller

[App page](https://appshunter.io/ios/app/smart-building-controller/id1502069502)

**Features:** Vision Pro support

**In-app purchases:** none


### CyO

[App page](https://appshunter.io/ios/app/cyo/id1616104593)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Building Controller free?

Smart Building Controller is free to download, with no in-app purchases.

### Is CyO free?

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

### Do Smart Building Controller or CyO have ads?

Neither Smart Building Controller nor CyO shows ads.

### Which is updated more often, Smart Building Controller or CyO?

Smart Building Controller ships an update every 5 months, and CyO monthly. Most recently, Smart Building Controller was updated on September 25, 2026 and CyO on September 19, 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.*