# Mechanical Engineering Book vs Mechanical Engineering Lab

The clearest difference is update cadence: Mechanical Engineering Lab at monthly against Mechanical Engineering Book's every 11 months. Mechanical Engineering Book's advantage is price ($1.99 vs $2.99) and iOS requirement (10.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Mechanical Engineering Book costs $1.99 and Mechanical Engineering Lab $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | Mechanical Engineering Book | Mechanical Engineering Lab |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[4.7 (12 ratings)](https://appshunter.io/ios/app/mechanical-engineering-book/id6448752936/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | Paid | — |
| Size | 38 MB | 5 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) | [Yuhsiu Lai](https://appshunter.io/developer/433114647) |

## 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


### Mechanical Engineering Lab

[App page](https://appshunter.io/ios/app/mechanical-engineering-lab/id6766063704)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Engineering Book free?

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

### Is Mechanical Engineering Lab free?

Mechanical Engineering Lab costs $2.99, with no in-app purchases.

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

Neither Mechanical Engineering Book nor Mechanical Engineering Lab shows ads.

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

Mechanical Engineering Book ships an update every 11 months, and Mechanical Engineering Lab monthly. Most recently, Mechanical Engineering Book was updated on September 9, 2026 and Mechanical Engineering Lab 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.*