# Mechanical Engineering Book vs Hexatronic

The clearest difference is price: Hexatronic at Free against Mechanical Engineering Book's $1.99. Hexatronic also leads on update cadence (every 3 weeks vs every 11 months) and rating (5.0 vs 4.7). Mechanical Engineering Book's advantage is ratings volume (12 vs 1) and iOS requirement (10.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Hexatronic is free to download; Mechanical Engineering Book costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hexatronic 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, Hexatronic every 3 weeks. The most recent releases landed on October 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Mechanical Engineering Book | Hexatronic |
| --- | --- | --- |
| 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/hexatronic/id6744872651/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 38 MB | 42 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haroon Khalil](https://appshunter.io/developer/1685448939) | [Hexatronic US Incorporated](https://appshunter.io/developer/1809674379) |

## 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


### Hexatronic

[App page](https://appshunter.io/ios/app/hexatronic/id6744872651)

Access installation guides, training materials, and field support resources in a single application. This tool provides videos, documents, and product information to streamline technical processes.

**Highlights:** Installation Videos, Instructional Documents, Contact Field Support, Product Information, Purchasing Resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Engineering Book free?

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

### Is Hexatronic free?

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

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

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

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

Neither Mechanical Engineering Book nor Hexatronic shows ads.

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

Mechanical Engineering Book ships an update every 11 months, and Hexatronic every 3 weeks. Most recently, Mechanical Engineering Book was updated on October 1, 2026 and Hexatronic on September 18, 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.*