# Mechanical FE Prep vs FE Exam AI Prep

The clearest difference is update cadence: Mechanical FE Prep at every 5 days against FE Exam AI Prep's every 2 weeks. Mechanical FE Prep also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mechanical FE Prep sells 1 one-off in-app purchase and FE Exam AI Prep sells 2 in-app purchases, starting at $39.99 per month. Whichever you choose, the download price is not the number that matters.

Mechanical FE Prep ships an update every 5 days, FE Exam AI Prep every 2 weeks. The most recent releases landed on July 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Mechanical FE Prep | FE Exam AI Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mechanical-fe-prep/id1585519077/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EnginPeers LLC](https://appshunter.io/developer/1368846655) | [Hangzhou Star Vision Technology Co., Ltd](https://appshunter.io/developer/6779572852) |

## What reviewers say

### Mechanical FE Prep

[App page](https://appshunter.io/ios/app/mechanical-fe-prep/id1585519077)

Prepare for Mechanical Engineering courses and the Fundamentals of Engineering exam with this comprehensive mobile study tool. Access over 15 engineering topics, practice exams, and detailed test analysis to master the material and pass with confidence.

**Highlights:** 15+ Engineering topics, Practice exams, Test analysis, Flashcards, Subject review, Exam prep

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


### FE Exam AI Prep

[App page](https://appshunter.io/ios/app/fe-exam-ai-prep/id6779572850)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $39.99 | per month |
| Pro Annual | $249.99 | per year |


## Frequently asked questions

### Is Mechanical FE Prep free?

Mechanical FE Prep is free to download, with in-app purchases available.

### Is FE Exam AI Prep free?

FE Exam AI Prep is free to download, with in-app purchases available.

### Do Mechanical FE Prep or FE Exam AI Prep have ads?

Neither Mechanical FE Prep nor FE Exam AI Prep shows ads.

### Which is updated more often, Mechanical FE Prep or FE Exam AI Prep?

Mechanical FE Prep ships an update every 5 days, and FE Exam AI Prep every 2 weeks. Most recently, Mechanical FE Prep was updated on July 26, 2026 and FE Exam AI Prep on September 9, 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.*