# MasterElec vs NEC Load Calculator

The clearest difference is monetization model: NEC Load Calculator at free against MasterElec's freemium. NEC Load Calculator also leads on update cadence (monthly vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. MasterElec sells 2 in-app purchases, starting at $4.99 per 7 days and NEC Load Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for MasterElec against 5.0 for NEC Load Calculator. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

MasterElec ships an update every 3 months, NEC Load Calculator monthly. The most recent releases landed on September 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MasterElec | NEC Load Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/masterelec-nec-code-guide/id6760912109/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/nec-load-calculator/id6785889421/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Freemium | **Free** |
| Size | 28 MB | 12 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TWOSCRIPTS LABS INC.](https://appshunter.io/developer/1861222980) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### MasterElec

[App page](https://appshunter.io/ios/app/masterelec-nec-code-guide/id6760912109)

A voice-powered assistant for electricians that provides offline access to NEC references and professional calculators. Quickly get answers to code questions and perform calculations without needing an internet connection.

**Highlights:** Voice-first interface for queries, 100% offline functionality, NEC reference access, Professional electrical calculators, Bookmark and export calculations, Free daily voice queries

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Susbcription | $4.99 | per 7 days |
| Annual Subscription | $39.99 | per year |


### 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 |


## Frequently asked questions

### Is MasterElec free?

MasterElec is free to download, with in-app purchases available.

### Is NEC Load Calculator free?

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

### Which has better reviews, MasterElec or NEC Load Calculator?

MasterElec and NEC Load Calculator are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do MasterElec or NEC Load Calculator have ads?

Neither MasterElec nor NEC Load Calculator shows ads.

### Which is updated more often, MasterElec or NEC Load Calculator?

MasterElec ships an update every 3 months, and NEC Load Calculator monthly. Most recently, MasterElec was updated on September 23, 2026 and NEC Load Calculator on September 28, 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.*