# EnginPrep vs Eng Mechanics

The clearest difference is in-app purchases: Eng Mechanics at none against EnginPrep's 1. Eng Mechanics also leads on rating (4.8 vs 4.4) and review sentiment (75% vs 62%). EnginPrep's advantage is update cadence (every 3 weeks vs every 12 months) and ratings volume (192 vs 4). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. EnginPrep sells 1 one-off in-app purchase. Eng Mechanics asks for nothing beyond the download.

Eng Mechanics holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: EnginPrep has 192 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 62% of EnginPrep's written reviews are positive against 75% of Eng Mechanics's.

EnginPrep ships an update every 3 weeks, Eng Mechanics every 12 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | EnginPrep | Eng Mechanics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (192 ratings)](https://appshunter.io/ios/app/enginprep-fe-exam-prep/id1519694401/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/eng-mechanics/id1526030024/reviews)** |
| Number of ratings | **192** | 4 |
| Positive reviews | 61.5% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 45 MB | 21 MB |
| Requires iOS | 16.4 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EnginPeers LLC](https://appshunter.io/developer/1368846655) | [Kurt Gramoll](https://appshunter.io/developer/782218116) |

## What reviewers say

### EnginPrep

[App page](https://appshunter.io/ios/app/enginprep-fe-exam-prep/id1519694401)

Prepare for the FE Civil and Mechanical exams with daily practice problems and comprehensive review lessons. Track your progress, identify weak spots, and take timed mock exams. Sync your learning across devices with a single account.

**Highlights:** Daily FE practice problems, Worked solutions for all problems, Topic-specific content review, Timed mock exams, Weak spot identification drills, Progress tracking and syncing, Cross-device compatibility

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

**In-app purchases (1)**

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


### Eng Mechanics

[App page](https://appshunter.io/ios/app/eng-mechanics/id1526030024)

This app offers a comprehensive collection of mechanics of materials problems and solutions, mirroring common textbook structures. It provides detailed explanations with graphics and links to an online eBook for further study. Access to all problems requires a paid upgrade.

**Highlights:** Mechanics of Materials problems, Complete solutions with graphics, Organized by textbook sections, Links to online eBook, Real engineering class problems, Updated error corrections

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EnginPrep free?

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

### Is Eng Mechanics free?

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

### Which has better reviews, EnginPrep or Eng Mechanics?

Eng Mechanics is rated higher. EnginPrep averages 4.4 out of 5 from 192 ratings, while Eng Mechanics averages 4.8 from 4 ratings.

### Do EnginPrep or Eng Mechanics have ads?

Neither EnginPrep nor Eng Mechanics shows ads.

### Which is updated more often, EnginPrep or Eng Mechanics?

EnginPrep ships an update every 3 weeks, and Eng Mechanics every 12 months. Most recently, EnginPrep was updated on November 3, 2026 and Eng Mechanics on November 3, 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.*