# Electric Prep Lite vs NEC Mastery

The clearest difference is in-app purchases: Electric Prep Lite at none against NEC Mastery's 4. NEC Mastery's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. NEC Mastery sells 4 in-app purchases, starting at $9.99 per month. Electric Prep Lite asks for nothing beyond the download.

Electric Prep Lite ships an update every 3 weeks, NEC Mastery fortnightly. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Electric Prep Lite | NEC Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (165 ratings)](https://appshunter.io/ios/app/nec-mastery/id6720711044/reviews)** |
| Number of ratings | — | **165** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 127 MB |
| Requires iOS | 17.6 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Rick Twilling](https://appshunter.io/developer/1790344644) | [Webrich Software Limited](https://appshunter.io/developer/290203591) |

## What reviewers say

### Electric Prep Lite

[App page](https://appshunter.io/ios/app/electric-prep-lite/id6504143119)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Electric Prep Lite free?

Electric Prep Lite is free to download, with no in-app purchases.

### Is NEC Mastery free?

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

### Do Electric Prep Lite or NEC Mastery have ads?

Neither Electric Prep Lite nor NEC Mastery shows ads.

### Which is updated more often, Electric Prep Lite or NEC Mastery?

Electric Prep Lite ships an update every 3 weeks, and NEC Mastery fortnightly. Most recently, Electric Prep Lite was updated on October 17, 2026 and NEC Mastery on October 19, 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.*