# NEC Mastery vs Ultimate Electricians Guide

The clearest difference is update cadence: NEC Mastery at every 10 days against Ultimate Electricians Guide's every 2 months. NEC Mastery also leads on ratings volume (164 vs 6). Ultimate Electricians Guide's advantage is review sentiment (100% vs 80%). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. NEC Mastery sells 4 in-app purchases, starting at $9.99 per month and Ultimate Electricians Guide sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for NEC Mastery against 4.8 for Ultimate Electricians Guide. That said, the two scores are not equally well evidenced: NEC Mastery has 164 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 80% of NEC Mastery's written reviews are positive against 100% of Ultimate Electricians Guide's.

NEC Mastery ships an update every 10 days, Ultimate Electricians Guide every 2 months. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | NEC Mastery | Ultimate Electricians Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (164 ratings)](https://appshunter.io/ios/app/nec-mastery/id6720711044/reviews) | [4.8 (6 ratings)](https://appshunter.io/ios/app/ultimate-electricians-guide/id6737288368/reviews) |
| Number of ratings | **164** | 6 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 127 MB | 79 MB |
| Requires iOS | 16 | **15.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Ultimate Electricians Guide LLC](https://appshunter.io/developer/1775779919) |

## What reviewers say

### NEC Mastery

[App page](https://appshunter.io/ios/app/nec-mastery/id6720711044)

Prepare for electrician certification exams with over 8,000 practice questions and detailed explanations. Access a comprehensive quick reference guide and 20 professional NEC calculators for on-the-job use. Track work hours with a built-in log for state board submissions.

**Highlights:** 8000+ exam-style questions, 20 NEC calculators, Quick reference guide, Electrician hour log, 2023/2024 NEC Code updates, Customizable study syllabus, Mock tests and performance tracking

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $9.99 | per month |
| Full Question Bank | $24.99 | per 3 months |
| Full Question Bank | $39.99 | per 6 months |
| Full Question Bank | $59.99 | per year |


### Ultimate Electricians Guide

[App page](https://appshunter.io/ios/app/ultimate-electricians-guide/id6737288368)

Prepare for electrician certification exams with comprehensive video lessons and practice tests. Track your progress and study at your own pace to pass your Journeyman or Master electrician exams with confidence.

**Highlights:** Video lessons, Practice exams, Progress tracking, Updated content, Exam simulation

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IBEW Aptitude Practice Exams | $9.99 | one-time |
| 2023 Practice Journeyman Exams | $49.99 | one-time |
| IBEW Interview Prep Course | $49.99 | one-time |
| 2020 Practice Journeyman Exams | $49.99 | one-time |
| 2017 Practice Journeyman Exams | $49.99 | one-time |
| CA Law and Biz Practice Exams | $49.99 | one-time |
| IBEW Aptitude Test Prep Course | $60.00 | one-time |
| Basic Foremanship | $89.99 | one-time |
| 2023 Journeyman Exam Prep | $349.00 | one-time |
| 2020 Journeyman Exam Prep | $349.00 | one-time |
| 2017 Journeyman Exam Prep | $349.00 | one-time |
| 2023 Master Exam Prep | $349.00 | one-time |
| 2020 Master Exam Prep | $349.00 | one-time |


## Frequently asked questions

### Is NEC Mastery free?

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

### Is Ultimate Electricians Guide free?

Ultimate Electricians Guide is free to download, with in-app purchases available.

### Which has better reviews, NEC Mastery or Ultimate Electricians Guide?

NEC Mastery and Ultimate Electricians Guide are both rated 4.8 out of 5 on the App Store, from 164 and 6 ratings respectively.

### Do NEC Mastery or Ultimate Electricians Guide have ads?

Neither NEC Mastery nor Ultimate Electricians Guide shows ads.

### Which is updated more often, NEC Mastery or Ultimate Electricians Guide?

NEC Mastery ships an update every 10 days, and Ultimate Electricians Guide every 2 months. Most recently, NEC Mastery was updated on September 21, 2026 and Ultimate Electricians Guide on September 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.*