# Mechanical Engineering Book vs English Mechanical Engineering

The clearest difference is price: English Mechanical Engineering at Free against Mechanical Engineering Book's $1.99. English Mechanical Engineering also leads on update cadence (every 3 weeks vs every 11 months). Mechanical Engineering Book's advantage is rating (4.7 vs 4.2) and in-app purchases (none vs 6). On ratings volume and device support there is nothing between them.

English Mechanical Engineering is free to download; Mechanical Engineering Book costs $1.99 up front. English Mechanical Engineering sells 6 in-app purchases, starting at $8.49 per 7 days. Mechanical Engineering Book asks for nothing beyond the download.

Mechanical Engineering Book holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 12 and 17 respectively.

Mechanical Engineering Book ships an update every 11 months, English Mechanical Engineering every 3 weeks. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Mechanical Engineering Book | English Mechanical Engineering |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/mechanical-engineering-book/id6448752936/reviews)** | [4.2 (17 ratings)](https://appshunter.io/ios/app/english-mechanical-engineering/id6755089323/reviews) |
| Number of ratings | 12 | **17** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 38 MB | 51 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Haroon Khalil](https://appshunter.io/developer/1685448939) | [Nelly Latypova](https://appshunter.io/developer/1150816403) |

## What reviewers say

### Mechanical Engineering Book

[App page](https://appshunter.io/ios/app/mechanical-engineering-book/id6448752936)

This app provides a comprehensive guide to mechanical engineering, covering fundamental concepts, key terms, and essential formulas. It's designed for students and professionals to deepen their understanding of machine mechanisms and engineering principles.

**Highlights:** Learn mechanical engineering principles, Understand machine mechanisms, Access engineering formulas and equations, Explore engineering facts, Covers thermodynamics, materials science, and more, Designed for professionals and students

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

**In-app purchases:** none


### English Mechanical Engineering

[App page](https://appshunter.io/ios/app/english-mechanical-engineering/id6755089323)

Master technical English vocabulary for mechanical engineering with flashcards and practice modes. Improve communication, excel in studies, and advance your career with this specialized learning tool.

**Highlights:** Technical vocabulary flashcards, Eight practice modes, Progress tracking and statistics, Mark learned/unlearned words, User-friendly design, Real-world application focus

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engineering Vocabulary Pro | $8.49 | per 7 days |
| Mechanical Lexicon Pro | $8.49 | per month |
| Mechanical Lexicon Pro | $9.49 | per month |
| Mechanical Vocabulary Pro | $29.99 | per 3 months |
| Pro Mechanical Terminology | $34.99 | per year |
| Pro Mechanical Terminology | $34.99 | per year |


## Frequently asked questions

### Is Mechanical Engineering Book free?

Mechanical Engineering Book costs $1.99, with no in-app purchases.

### Is English Mechanical Engineering free?

English Mechanical Engineering is free to download, with in-app purchases available.

### Which has better reviews, Mechanical Engineering Book or English Mechanical Engineering?

Mechanical Engineering Book is rated higher. Mechanical Engineering Book averages 4.7 out of 5 from 12 ratings, while English Mechanical Engineering averages 4.2 from 17 ratings.

### Do Mechanical Engineering Book or English Mechanical Engineering have ads?

English Mechanical Engineering shows ads; Mechanical Engineering Book does not.

### Which is updated more often, Mechanical Engineering Book or English Mechanical Engineering?

Mechanical Engineering Book ships an update every 11 months, and English Mechanical Engineering every 3 weeks. Most recently, Mechanical Engineering Book was updated on September 9, 2026 and English Mechanical Engineering on September 17, 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.*