# NEC Load Calculator vs Generator Power Advisor

The clearest difference is in-app purchases: Generator Power Advisor at none against NEC Load Calculator's 1. Generator Power Advisor also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (15.0 vs 18.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. NEC Load Calculator sells 1 one-off in-app purchase. Generator Power Advisor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for NEC Load Calculator against 5.0 for Generator Power Advisor. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

NEC Load Calculator ships an update every 3 weeks, Generator Power Advisor every 3 days. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | NEC Load Calculator | Generator Power Advisor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nec-load-calculator/id6785889421/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/generator-power-advisor/id6795178257/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 12 MB | 2 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [MICHAEL E SAUR](https://appshunter.io/developer/6795178259) |

## What reviewers say

### NEC Load Calculator

[App page](https://appshunter.io/ios/app/nec-load-calculator/id6785889421)

This app performs electrical load calculations based on the NEC 2023 code. It offers modules for residential, commercial, motor, and branch circuit calculations, along with panel scheduling and PDF export. Designed for licensed electricians and contractors.

**Highlights:** NEC 2023 load calculations, Residential, commercial, motor, branch circuit modules, Panel schedule editor, Step-by-step calculation results, Panel layout generation, PDF export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NEC LOAD PRO | $7.99 | one-time |


### Generator Power Advisor

[App page](https://appshunter.io/ios/app/generator-power-advisor/id6795178257)

This app helps you determine if your generator can safely power your appliances. It considers factors like fuel type, temperature, and elevation for realistic recommendations, offering clear Safe, Near Limit, or Unsafe guidance.

**Highlights:** Instant load calculations, Support for gasoline and propane, Built-in generator database, Air conditioner startup assistance, Environmental adjustments, Offline operation, Safe/Near Limit/Unsafe recommendations

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

**In-app purchases:** none


## Frequently asked questions

### Is NEC Load Calculator free?

NEC Load Calculator is free to download, with in-app purchases available.

### Is Generator Power Advisor free?

Generator Power Advisor is free to download, with no in-app purchases.

### Which has better reviews, NEC Load Calculator or Generator Power Advisor?

NEC Load Calculator and Generator Power Advisor are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.

### Do NEC Load Calculator or Generator Power Advisor have ads?

Neither NEC Load Calculator nor Generator Power Advisor shows ads.

### Which is updated more often, NEC Load Calculator or Generator Power Advisor?

NEC Load Calculator ships an update every 3 weeks, and Generator Power Advisor every 3 days. Most recently, NEC Load Calculator was updated on October 19, 2026 and Generator Power Advisor on October 9, 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.*