# Generac Field Pro vs Generator Wattage Calculator

The clearest difference is in-app purchases: Generac Field Pro at none against Generator Wattage Calculator's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Generator Wattage Calculator sells 1 one-off in-app purchase. Generac Field Pro asks for nothing beyond the download.

Generac Field Pro ships an update every 2 weeks, Generator Wattage Calculator monthly. The most recent releases landed on November 8, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Generac Field Pro | Generator Wattage Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (30 ratings)](https://appshunter.io/ios/app/generac-field-pro/id6550921902/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 76 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Generac Power Systems, Inc.](https://appshunter.io/developer/829129500) | [Mithun Edwin](https://appshunter.io/developer/6797961202) |

## What reviewers say

### Generac Field Pro

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

Streamline the installation and servicing of energy systems with guided workflows, smart firmware updates, and comprehensive diagnostics. This tool facilitates full system testing and in-app activation for a faster, more efficient process.

**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


### Generator Wattage Calculator

[App page](https://appshunter.io/ios/app/generator-wattage-calculator/id6803647183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full plan | $2.99 | one-time |


## Frequently asked questions

### Is Generac Field Pro free?

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

### Is Generator Wattage Calculator free?

Generator Wattage Calculator is free to download, with in-app purchases available.

### Do Generac Field Pro or Generator Wattage Calculator have ads?

Neither Generac Field Pro nor Generator Wattage Calculator shows ads.

### Which is updated more often, Generac Field Pro or Generator Wattage Calculator?

Generac Field Pro ships an update every 2 weeks, and Generator Wattage Calculator monthly. Most recently, Generac Field Pro was updated on November 8, 2026 and Generator Wattage Calculator on October 29, 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.*
