# Mobile skid vs Mechanical Engineering Book

The clearest difference is price: Mobile skid at Free against Mechanical Engineering Book's $1.99. Mechanical Engineering Book's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 13.2). On ads and device support there is nothing between them.

Mobile skid is free to download; Mechanical Engineering Book costs $1.99 up front. Mobile skid sells 1 one-off in-app purchase. Mechanical Engineering Book asks for nothing beyond the download.

## The numbers

| Metric | Mobile skid | Mechanical Engineering Book |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 11 months |
| Monetization | — | Paid |
| Size | 16 MB | 38 MB |
| Requires iOS | 13.2 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gary Molton](https://appshunter.io/developer/1193080103) | [Haroon Khalil](https://appshunter.io/developer/1685448939) |

## What reviewers say

### Mobile skid

[App page](https://appshunter.io/ios/app/mobile-skid-steer-hydraulics/id1518825681)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Maintenance and diagnostics | $5.99 | one-time |


### 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


## Frequently asked questions

### Is Mobile skid free?

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

### Is Mechanical Engineering Book free?

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

### Do Mobile skid or Mechanical Engineering Book have ads?

Neither Mobile skid nor Mechanical Engineering Book shows ads.

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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.*