# Airzone Pro Cloud vs Unit Converter HVAC

The clearest difference is price: Airzone Pro Cloud at Free against Unit Converter HVAC's $0.99. Airzone Pro Cloud also leads on in-app purchases (none vs 1). Unit Converter HVAC's advantage is iOS requirement (13.0 vs 15.5). On update cadence, ads and device support there is nothing between them.

Airzone Pro Cloud is free to download; Unit Converter HVAC costs $0.99 up front. Unit Converter HVAC sells 1 one-off in-app purchase. Airzone Pro Cloud asks for nothing beyond the download.

Airzone Pro Cloud ships an update every 2 weeks, Unit Converter HVAC every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Airzone Pro Cloud | Unit Converter HVAC |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 48 MB | 34 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Corporacion Empresarial Altra SL](https://appshunter.io/developer/669410460) | [Rizvan Adzhoian](https://appshunter.io/developer/1891746079) |

## What reviewers say

### Airzone Pro Cloud

[App page](https://appshunter.io/ios/app/airzone-pro-cloud/id6737261732)

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

**In-app purchases:** none


### Unit Converter HVAC

[App page](https://appshunter.io/ios/app/unit-converter-hvac/id6764647825)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Airzone Pro Cloud free?

Airzone Pro Cloud is free to download, with no in-app purchases.

### Is Unit Converter HVAC free?

Unit Converter HVAC costs $0.99, and also offers in-app purchases.

### Do Airzone Pro Cloud or Unit Converter HVAC have ads?

Neither Airzone Pro Cloud nor Unit Converter HVAC shows ads.

### Which is updated more often, Airzone Pro Cloud or Unit Converter HVAC?

Airzone Pro Cloud ships an update every 2 weeks, and Unit Converter HVAC every 3 weeks. Most recently, Airzone Pro Cloud was updated on October 27, 2026 and Unit Converter HVAC on October 28, 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.*