# Generac Field Pro vs Cable Tray Fill Calc

The clearest difference is price: Generac Field Pro at Free against Cable Tray Fill Calc's $7.99. Generac Field Pro also leads on update cadence (fortnightly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Generac Field Pro is free to download; Cable Tray Fill Calc costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Generac Field Pro ships an update fortnightly, Cable Tray Fill Calc every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Generac Field Pro | Cable Tray Fill Calc |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[2.9 (28 ratings)](https://appshunter.io/ios/app/generac-field-pro/id6550921902/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 75 MB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Generac Power Systems, Inc.](https://appshunter.io/developer/829129500) | [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858) |

## 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


### Cable Tray Fill Calc

[App page](https://appshunter.io/ios/app/cable-tray-fill-calc/id6761246731)

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

**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 Cable Tray Fill Calc free?

Cable Tray Fill Calc costs $7.99, with no in-app purchases.

### Do Generac Field Pro or Cable Tray Fill Calc have ads?

Neither Generac Field Pro nor Cable Tray Fill Calc shows ads.

### Which is updated more often, Generac Field Pro or Cable Tray Fill Calc?

Generac Field Pro ships an update fortnightly, and Cable Tray Fill Calc every 2 months. Most recently, Generac Field Pro was updated on October 25, 2026 and Cable Tray Fill Calc on October 31, 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.*