UEi HUB vs Arzel Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UEi HUB
This utility app connects to specific test kits via Bluetooth to display real-time tool values. It calculates and shows refrigerant, air, and vacuum parameters in your chosen units, with features for monitoring superheat and subcooling. Easily switch between different measurements and manage refrigerant lists for efficient job site data collection.
- Bluetooth connectivity to HUB test kits
- Real-time tool value display
- Refrigerant, air, and vacuum parameter calculations
- Superheat and subcooling monitoring
- Customizable refrigerant favorites list
- Intuitive swipe interface for measurement switching
- Drag and drop connection process
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UEi HUB is the companion app for all HUB test kits. Enable Bluetooth on your mobile device to read tool values from your HUB probes (WOT2, WPC1, WPC2, WPP1, WHP1, WVG2), WRS, COA2, DTHA2, Analyzer, EPC. In addition to measurement values HUB calculates and displays important refrigerant side, air side and vacuum parameters all in your preferred units. Monitor Superheat and Subcooling for any of the included refrigerants. Add refrigerants to your favorites list to quickly change between them on the refrigerant side display. Smoothly transition between vacuum, refrigerant side or air side values with a swipe of the display. With the simple drag and drop connection process, and ample wireless range HUB makes it easy to get the system information you need without being tied to a fixed location on the job site.
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 HUB's 1.7. UEi HUB's advantage is update cadence (every 2 weeks vs every 3 months) and ratings volume (11 vs 2). On price, ads, in-app purchases and monetization model 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 1.7. That said, the two scores are not equally well evidenced: UEi HUB has 11 ratings behind it against 2, so its average is the more settled of the two.
UEi HUB ships an update every 2 weeks, Arzel Pro every 3 months. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.
| Parameter | UEi HUB | Arzel Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (11 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 11.5% of reviews | — |
| Number of ratings | 11 — better | 2 |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 108 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Kane Asia Inc. | Arzel Technology, Inc. |
In-app purchases
UEi HUB
No in-app purchases
Arzel Pro
No in-app purchases
