# Mechanical Engineering Book vs Material Engineering

The clearest difference is price: Material Engineering at Free against Mechanical Engineering Book's $1.99. Material Engineering also leads on rating (5.0 vs 4.7) and update cadence (every 3 months vs every 11 months). Mechanical Engineering Book's advantage is in-app purchases (none vs 6) and ratings volume (12 vs 1). On ads and device support there is nothing between them.

Material Engineering is free to download; Mechanical Engineering Book costs $1.99 up front. Material Engineering sells 6 in-app purchases, starting at $9.99 per month. Mechanical Engineering Book asks for nothing beyond the download.

Material Engineering holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Mechanical Engineering Book has 12 ratings behind it against 1, so its average is the more settled of the two.

Mechanical Engineering Book ships an update every 11 months, Material Engineering every 3 months. The most recent releases landed on September 9, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Mechanical Engineering Book | Material Engineering |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/mechanical-engineering-book/id6448752936/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/material-engineering/id6739977362/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 38 MB | 17 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haroon Khalil](https://appshunter.io/developer/1685448939) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## 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


### Material Engineering

[App page](https://appshunter.io/ios/app/material-engineering/id6739977362)

Master material science concepts with an engaging quiz app. Explore diverse topics, receive instant feedback, and track your progress. Perfect for students, professionals, and enthusiasts seeking to deepen their understanding of materials.

**Highlights:** Comprehensive quizzes on various material types, Expert-designed challenging questions, Instant feedback with detailed explanations, Personalized progress tracking and analytics, Diverse quiz modes (practice, timed, topic-focused), Achievements and leaderboards

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Mechanical Engineering Book free?

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

### Is Material Engineering free?

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

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

Material Engineering is rated higher. Mechanical Engineering Book averages 4.7 out of 5 from 12 ratings, while Material Engineering averages 5.0 from 1 ratings.

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

Neither Mechanical Engineering Book nor Material Engineering shows ads.

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

Mechanical Engineering Book ships an update every 11 months, and Material Engineering every 3 months. Most recently, Mechanical Engineering Book was updated on September 9, 2026 and Material Engineering on July 6, 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.*