# Generac Field Pro vs Electrical Load Calc NEC

The clearest difference is price: Generac Field Pro at Free against Electrical Load Calc NEC's $0.99. Generac Field Pro also leads on in-app purchases (none vs 1) and ratings volume (26 vs 4). Electrical Load Calc NEC's advantage is update cadence (every 3 days vs fortnightly) and chart position (#163 vs unranked). On rating, ads and device support there is nothing between them.

Generac Field Pro is free to download; Electrical Load Calc NEC costs $0.99 up front. Electrical Load Calc NEC sells 1 one-off in-app purchase. Generac Field Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.1 for Generac Field Pro against 3.0 for Electrical Load Calc NEC. That said, the two scores are not equally well evidenced: Generac Field Pro has 26 ratings behind it against 4, so its average is the more settled of the two.

Generac Field Pro ships an update fortnightly, Electrical Load Calc NEC every 3 days. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Generac Field Pro | Electrical Load Calc NEC |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.1 (26 ratings)](https://appshunter.io/ios/app/generac-field-pro/id6550921902/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/electrical-load-calc-nec/id6763250945/reviews) |
| Number of ratings | **26** | 4 |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#163** |
| Size | 71 MB | 34 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Generac Power Systems, Inc.](https://appshunter.io/developer/829129500) | [Rizvan Adzhoian](https://appshunter.io/developer/1891746079) |

## 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


### Electrical Load Calc NEC

[App page](https://appshunter.io/ios/app/electrical-load-calc-nec/id6763250945)

**Currently charting:** #163 Top Paid · Utilities (US App Store)

Calculate residential electrical service sizes accurately using NEC standards. This tool provides step-by-step breakdowns, references official articles, and supports multiple NEC editions for electricians and engineers.

**Highlights:** NEC 220.82 Optional Method calculations, Support for NEC 2023 and NEC 2026, Step-by-step breakdown with article references, Appliance presets and custom entry, Service size recommendations, PASS/FAIL check against panel capacity

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $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 Electrical Load Calc NEC free?

Electrical Load Calc NEC costs $0.99, and also offers in-app purchases.

### Which has better reviews, Generac Field Pro or Electrical Load Calc NEC?

Generac Field Pro is rated higher. Generac Field Pro averages 3.1 out of 5 from 26 ratings, while Electrical Load Calc NEC averages 3.0 from 4 ratings.

### Do Generac Field Pro or Electrical Load Calc NEC have ads?

Neither Generac Field Pro nor Electrical Load Calc NEC shows ads.

### Which is updated more often, Generac Field Pro or Electrical Load Calc NEC?

Generac Field Pro ships an update fortnightly, and Electrical Load Calc NEC every 3 days. Most recently, Generac Field Pro was updated on October 14, 2026 and Electrical Load Calc NEC on October 18, 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.*