# Universal HVAC Control vs CTviewer+

Universal HVAC Control and CTviewer+ are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Universal HVAC Control | CTviewer+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | — |
| Monetization | Free | — |
| Size | 74 MB | 217 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangdong Meizhi Compressor Co., Ltd.](https://appshunter.io/developer/1441287281) | [YU BO HAN](https://appshunter.io/developer/1714916214) |

## What reviewers say

### Universal HVAC Control

[App page](https://appshunter.io/ios/app/universal-hvac-control/id6471648333)

Control your smart air conditioner remotely for comfort, efficiency, and safety. Customize sleep settings and schedule automatic temperature changes. Offers a new user experience with special functions and interactive design.

**Highlights:** Remote air conditioner control, Customizable sleep curves, Time scheduling for auto-switching, Smart Wi-Fi module compatibility, New user experience with interactive design

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

**In-app purchases:** none


### CTviewer+

[App page](https://appshunter.io/ios/app/ctviewer-plus/id6777899393)

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

**In-app purchases:** none


## Frequently asked questions

### Is Universal HVAC Control free?

Universal HVAC Control is free to download, with no in-app purchases.

### Is CTviewer+ free?

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

### Do Universal HVAC Control or CTviewer+ have ads?

Neither Universal HVAC Control nor CTviewer+ shows ads.

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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.*