# Generac Field Pro vs Arzel Pro

The clearest difference is rating: Arzel Pro at 5.0 against Generac Field Pro's 3.0. Generac Field Pro's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (25 vs 1). On price, ads, in-app purchases and monetization model 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 3.0. That said, the two scores are not equally well evidenced: Generac Field Pro has 25 ratings behind it against 1, so its average is the more settled of the two.

Generac Field Pro ships an update fortnightly, Arzel Pro every 3 months. The most recent releases landed on September 18, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Generac Field Pro | Arzel Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (25 ratings)](https://appshunter.io/ios/app/generac-field-pro/id6550921902/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arzel-pro/id6670562268/reviews)** |
| Number of ratings | **25** | 1 |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | Free |
| Size | 71 MB | 11 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Generac Power Systems, Inc.](https://appshunter.io/developer/829129500) | [Arzel Technology, Inc.](https://appshunter.io/developer/644309533) |

## What reviewers say

### Generac Field Pro

[App page](https://appshunter.io/ios/app/generac-field-pro/id6550921902)

Streamline the installation, servicing, and registration of energy systems. Features guided workflows, smart firmware updates, and comprehensive diagnostics for efficient system management.

**Highlights:** Guided commissioning workflow, Smart firmware updates, Full system testing, Product diagnostics, In-app activation and registration

**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 Generac Field Pro free?

Generac Field Pro 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, Generac Field Pro or Arzel Pro?

Arzel Pro is rated higher. Generac Field Pro averages 3.0 out of 5 from 25 ratings, while Arzel Pro averages 5.0 from 1 ratings.

### Do Generac Field Pro or Arzel Pro have ads?

Neither Generac Field Pro nor Arzel Pro shows ads.

### Which is updated more often, Generac Field Pro or Arzel Pro?

Generac Field Pro ships an update fortnightly, and Arzel Pro every 3 months. Most recently, Generac Field Pro was updated on September 18, 2026 and Arzel Pro on June 26, 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.*