# Airzone Cloud vs U

The clearest difference is rating: Airzone Cloud at 4.2 against U's 1.0. Airzone Cloud also leads on in-app purchases (none vs 3) and review sentiment (34% vs 0%). U's advantage is iOS requirement (12.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. U sells 3 in-app purchases, starting at $2.99 per 7 days. Airzone Cloud asks for nothing beyond the download.

Airzone Cloud holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Airzone Cloud has 317 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 34% of Airzone Cloud's written reviews are positive against 0% of U's.

Airzone Cloud ships an update every 2 weeks, U every 9 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Airzone Cloud | U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (317 ratings)](https://appshunter.io/ios/app/airzone-cloud/id968067256/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/u-bacnet/id6751057296/reviews) |
| Number of ratings | **317** | 1 |
| Positive reviews | **33.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 99 MB | 31 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Corporacion Empresarial Altra SL](https://appshunter.io/developer/669410460) | [IMMA MOLINA](https://appshunter.io/developer/1833286076) |

## What reviewers say

### Airzone Cloud

[App page](https://appshunter.io/ios/app/airzone-cloud/id968067256)

Control your home's heating and cooling systems remotely from your smart devices. Adjust temperatures by room, set schedules, and create custom scenes for comfort and energy savings. Manage user access and monitor conditions from anywhere.

**Highlights:** Remote climate control, Room-specific temperature adjustment, Weekly scheduling, Custom scene creation, User management with permissions, Voice control integration

**Features:** macOS Compatibility

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-bacnet/id6751057296)

This tool helps building automation professionals discover and interact with BACnet/IP devices on their local network. It allows users to scan for devices, view objects, and read properties through an intuitive interface.

**Highlights:** Automatic BACnet/IP device scanning, View and filter discovered devices, Browse device objects, Read device properties, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| U-BACnet Premium | $2.99 | per 7 days |
| U-BACnet Premium | $9.99 | per month |
| U-BACnet Premium | $99.99 | per year |


## Frequently asked questions

### Is Airzone Cloud free?

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

### Is U free?

U is free to download, with in-app purchases available.

### Which has better reviews, Airzone Cloud or U?

Airzone Cloud is rated higher. Airzone Cloud averages 4.2 out of 5 from 317 ratings, while U averages 1.0 from 1 ratings.

### Do Airzone Cloud or U have ads?

Neither Airzone Cloud nor U shows ads.

### Which is updated more often, Airzone Cloud or U?

Airzone Cloud ships an update every 2 weeks, and U every 9 days. Most recently, Airzone Cloud was updated on November 6, 2026 and U on October 30, 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.*