UEi Apps vs Arzel Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UEi Apps
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.
- 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
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This app is an integrated solution, which supports the status of UEi product's applications and UEi product's device: Co Checker, Dual Pressure, COA2, 525 DMM, DL429, DL429B, DL599, etc.
Arzel Pro
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.
- App-controlled zoning panel
- Create up to 16 zones
- One-tap equipment settings
- Bluetooth configuration
- System diagnostics
- Software updates
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The Pro Panel is the future of zoning control technology, from Arzel Zoning Technology. This universal HVAC zoning panel is app-controlled and more customizable than ever. Create up to 16 zones, install with one-tap equipment settings, and use the Arzel Pro app for easy setup and diagnostics. The Arzel Pro app configures the Pro Panel using a Bluetooth connection. Connect your device to the Pro Panel to see current system information or to configure a new panel. The app also allows you to update the Pro Panel software if an update is available. This app is intended for HVAC contractors. Home and building owners can control the Pro Panel using the thermostats installed with the system.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | UEi Apps | Arzel Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (7 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 40 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Kane Asia Inc. | Arzel Technology, Inc. |
In-app purchases
UEi Apps
No in-app purchases
Arzel Pro
No in-app purchases
