# PrepFE vs Digital Electronics Guide

The clearest difference is review sentiment: Digital Electronics Guide at 100% against PrepFE's 0%. Digital Electronics Guide also leads on rating (5.0 vs 2.6) and in-app purchases (none vs 6). PrepFE's advantage is ads (none vs shown) and ratings volume (8 vs 2). On price and device support there is nothing between them.

Both are free to download. PrepFE sells 6 one-off in-app purchases. Digital Electronics Guide asks for nothing beyond the download.

Digital Electronics Guide holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 0% of PrepFE's written reviews are positive against 100% of Digital Electronics Guide's.

PrepFE ships an update every 36 months, Digital Electronics Guide every 5 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PrepFE | Digital Electronics Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (8 ratings)](https://appshunter.io/ios/app/prepfe-electrical-and-computer/id1519333024/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/digital-electronics-guide/id6478166232/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 288 MB | 24 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PrepFE, Inc.](https://appshunter.io/developer/1499557437) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### PrepFE

[App page](https://appshunter.io/ios/app/prepfe-electrical-and-computer/id1519333024)

Prepare for your FE exam with practice problems and flashcards. Learn by doing with expert-curated content, track your progress, and identify areas for improvement. Study anytime, anywhere with this mobile resource.

**Highlights:** Practice FE exam questions, Interactive practice exams, Hundreds of practice questions, Detailed step-by-step explanations, Flashcards for key concepts, Progress tracking and weakness analysis, Updated content for new specifications

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Access Renewal | $47.99 | one-time |
| 1 Month Access | $59.99 | one-time |
| 3 Months Access Renewal | $61.99 | one-time |
| 6 Months Access Renewal | $75.99 | one-time |
| 3 Months Access | $79.99 | one-time |
| 6 Months Access | $99.99 | one-time |


### Digital Electronics Guide

[App page](https://appshunter.io/ios/app/digital-electronics-guide/id6478166232)

This app serves as a comprehensive reference for digital electronics, covering essential theory and practical guides. It's designed for students, engineers, and hobbyists to learn and prototype digital circuits with ease. Features include detailed information on logic gates, IC families, and various digital components.

**Highlights:** Logic gate tutorials, IC reference data (TTL 7400, CMOS 4000), Digital circuit design and prototyping, Covers counters, flip-flops, and more, Available in 14 languages, Detailed tutorials and references

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

**In-app purchases:** none


## Frequently asked questions

### Is PrepFE free?

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

### Is Digital Electronics Guide free?

Digital Electronics Guide is free to download, with no in-app purchases.

### Which has better reviews, PrepFE or Digital Electronics Guide?

Digital Electronics Guide is rated higher. PrepFE averages 2.6 out of 5 from 8 ratings, while Digital Electronics Guide averages 5.0 from 2 ratings.

### Do PrepFE or Digital Electronics Guide have ads?

Digital Electronics Guide shows ads; PrepFE does not.

### Which is updated more often, PrepFE or Digital Electronics Guide?

PrepFE ships an update every 36 months, and Digital Electronics Guide every 5 weeks. Most recently, PrepFE was updated on September 30, 2026 and Digital Electronics Guide on October 1, 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.*