# PrepFE vs PPI

The clearest difference is rating: PPI at 4.6 against PrepFE's 2.6. PPI also leads on in-app purchases (none vs 6) and update cadence (every 2 weeks vs every 36 months). PrepFE's advantage is iOS requirement (13.0 vs 15.6). On price, review sentiment, ads and device support there is nothing between them.

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

PPI holds the better App Store score, 4.6 against 2.6. Both are backed by a comparable volume of ratings — 8 and 35 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

PrepFE ships an update every 36 months, PPI every 2 weeks. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PrepFE | PPI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (8 ratings)](https://appshunter.io/ios/app/prepfe-electrical-and-computer/id1519333024/reviews) | **[4.6 (35 ratings)](https://appshunter.io/ios/app/ppi-kaplan/id1631085663/reviews)** |
| Number of ratings | 8 | **35** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 288 MB | 57 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PrepFE, Inc.](https://appshunter.io/developer/1499557437) | [Kaplan](https://appshunter.io/developer/426399130) |

## 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 |


### PPI

[App page](https://appshunter.io/ios/app/ppi-kaplan/id1631085663)

This mobile companion app provides on-the-go access to Kaplan's PPI online courses and learning hub. It syncs with your desktop account, offering Qbank quizzes, video lectures, flashcards, and progress tracking for test preparation.

**Highlights:** Qbank quizzes, Detailed question explanations, Video library, Flashcards, Progress tracking, Free trial access

**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 PPI free?

PPI is free to download, with no in-app purchases.

### Which has better reviews, PrepFE or PPI?

PPI is rated higher. PrepFE averages 2.6 out of 5 from 8 ratings, while PPI averages 4.6 from 35 ratings.

### Do PrepFE or PPI have ads?

Neither PrepFE nor PPI shows ads.

### Which is updated more often, PrepFE or PPI?

PrepFE ships an update every 36 months, and PPI every 2 weeks. Most recently, PrepFE was updated on September 30, 2026 and PPI on October 15, 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.*