# UEi Apps vs Arzel Pro

The clearest difference is rating: Arzel Pro at 5.0 against UEi Apps's 2.4. UEi Apps's advantage is ratings volume (7 vs 2) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Arzel Pro holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | UEi Apps | Arzel Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (7 ratings)](https://appshunter.io/ios/app/uei-apps/id1332548961/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/arzel-pro/id6670562268/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 40 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kane Asia Inc.](https://appshunter.io/developer/1542732944) | [Arzel Technology, Inc.](https://appshunter.io/developer/644309533) |

## What reviewers say

### UEi Apps

[App page](https://appshunter.io/ios/app/uei-apps/id1332548961)

This utility app connects to various UEi devices, allowing users to monitor their status and manage associated applications. It supports a range of diagnostic tools for professional use.

**Highlights:** Supports UEi product status monitoring, Integrates with UEi device applications, Compatible with Co Checker, Dual Pressure, COA2, 525 DMM, DL429, DL429B, DL599, Provides device status updates

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

**In-app purchases:** none


### Arzel Pro

[App page](https://appshunter.io/ios/app/arzel-pro/id6670562268)

This app allows HVAC contractors to configure and manage a universal zoning panel. It offers easy setup, diagnostics, and software updates via a Bluetooth connection. Homeowners control the system through installed thermostats.

**Highlights:** App-controlled zoning panel, Create up to 16 zones, One-tap equipment settings, Bluetooth configuration, System diagnostics, Software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UEi Apps free?

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

### Is Arzel Pro free?

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

### Which has better reviews, UEi Apps or Arzel Pro?

Arzel Pro is rated higher. UEi Apps averages 2.4 out of 5 from 7 ratings, while Arzel Pro averages 5.0 from 2 ratings.

### Do UEi Apps or Arzel Pro have ads?

Neither UEi Apps nor Arzel Pro shows ads.

### Which is updated more often, UEi Apps or Arzel Pro?

UEi Apps ships an update every 3 months, and Arzel Pro every 3 months. Most recently, UEi Apps was updated on October 24, 2026 and Arzel Pro on October 24, 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.*