# Span Installer vs Generac Field Pro

The clearest difference is rating: Span Installer at 3.7 against Generac Field Pro's 3.1. Generac Field Pro's advantage is review sentiment (11% vs 0%). On price, ratings volume, update cadence and ads there is nothing between them.

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

Span Installer holds the better App Store score, 3.7 against 3.1. Both are backed by a comparable volume of ratings — 13 and 26 respectively. Written reviews complicate that: 0% of Span Installer's written reviews are positive against 11% of Generac Field Pro's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Span Installer | Generac Field Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (13 ratings)](https://appshunter.io/ios/app/span-installer/id1477128965/reviews)** | [3.1 (26 ratings)](https://appshunter.io/ios/app/generac-field-pro/id6550921902/reviews) |
| Number of ratings | 13 | **26** |
| Positive reviews | 0.0% of reviews | **11.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 104 MB | 71 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Span.io, Inc](https://appshunter.io/developer/1477128844) | [Generac Power Systems, Inc.](https://appshunter.io/developer/829129500) |

## What reviewers say

### Span Installer

[App page](https://appshunter.io/ios/app/span-installer/id1477128965)

This app streamlines the installation and servicing of new and existing SPAN panels. It offers enhanced navigation, an improved breaker labeling process, and integrated troubleshooting support. Users can also confirm communications with battery systems and program setpoints for energy management.

**Highlights:** Faster new SPAN Panel commissioning, Simplified user navigation, Improved breaker labeling, Integrated troubleshooting and support, Confirm hardware communications, Program setpoints with SPAN PowerUp

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Span Installer free?

Span Installer is free to download, with no in-app purchases.

### Is Generac Field Pro free?

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

### Which has better reviews, Span Installer or Generac Field Pro?

Span Installer is rated higher. Span Installer averages 3.7 out of 5 from 13 ratings, while Generac Field Pro averages 3.1 from 26 ratings.

### Do Span Installer or Generac Field Pro have ads?

Neither Span Installer nor Generac Field Pro shows ads.

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

Span Installer ships an update fortnightly, and Generac Field Pro fortnightly. Most recently, Span Installer was updated on September 30, 2026 and Generac Field Pro on October 6, 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.*