# MasterElec vs NEC Electrical Load Calculator

The clearest difference is review sentiment: NEC Electrical Load Calculator at 100% against MasterElec's 0%. NEC Electrical Load Calculator also leads on rating (5.0 vs 4.6) and monetization model (free vs freemium). MasterElec's advantage is ratings volume (9 vs 3). On price, update cadence, ads and in-app purchases 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 Electrical Load Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

NEC Electrical Load Calculator holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 0% of MasterElec's written reviews are positive against 100% of NEC Electrical Load Calculator's.

MasterElec ships an update every 2 months, NEC Electrical Load Calculator every 4 weeks. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | MasterElec | NEC Electrical Load Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/masterelec-nec-code-guide/id6760912109/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nec-electrical-load-calculator/id6785889421/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Freemium | **Free** |
| Size | 29 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 Electrical Load Calculator

[App page](https://appshunter.io/ios/app/nec-electrical-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, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NEC LOAD PRO | $9.99 | one-time |


## Frequently asked questions

### Is MasterElec free?

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

### Is NEC Electrical Load Calculator free?

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

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

NEC Electrical Load Calculator is rated higher. MasterElec averages 4.6 out of 5 from 9 ratings, while NEC Electrical Load Calculator averages 5.0 from 3 ratings.

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

Neither MasterElec nor NEC Electrical Load Calculator shows ads.

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

MasterElec ships an update every 2 months, and NEC Electrical Load Calculator every 4 weeks. Most recently, MasterElec was updated on November 9, 2026 and NEC Electrical Load Calculator on November 13, 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.*