# Eng Mechanics vs Mechanical Components

The clearest difference is rating: Eng Mechanics at 4.7 against Mechanical Components's 3.0. Eng Mechanics also leads on in-app purchases (none vs 4) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Mechanical Components sells 4 in-app purchases, starting at $7.99 per 7 days. Eng Mechanics asks for nothing beyond the download.

Eng Mechanics holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Eng Mechanics ships an update every 12 months, Mechanical Components every 7 months. The most recent releases landed on September 9, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Eng Mechanics | Mechanical Components |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/eng-mechanics/id1526030024/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/mechanical-components/id6738186476/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 49 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kurt Gramoll](https://appshunter.io/developer/782218116) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Eng Mechanics

[App page](https://appshunter.io/ios/app/eng-mechanics/id1526030024)

This app offers a comprehensive collection of mechanics of materials problems and solutions, mirroring common textbook structures. It provides detailed explanations with graphics and links to an online eBook for further study. Access to all problems requires a paid upgrade.

**Highlights:** Mechanics of Materials problems, Complete solutions with graphics, Organized by textbook sections, Links to online eBook, Real engineering class problems, Updated error corrections

**Features:** macOS Compatibility

**In-app purchases:** none


### Mechanical Components

[App page](https://appshunter.io/ios/app/mechanical-components/id6738186476)

Test your knowledge of mechanical components with interactive quizzes. Features high-quality images, instant feedback, and multiple difficulty levels to help you master engineering parts. Ideal for students, DIY enthusiasts, and professionals.

**Highlights:** Interactive quizzes on mechanical parts, High-quality component images, Instant feedback and facts, Multiple difficulty levels, Learn and master engineering components

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week | $7.99 | per 7 days |
| Month | $19.99 | per month |
| 6 months | $19.99 | per 6 months |
| Year | $29.99 | per year |


## Frequently asked questions

### Is Eng Mechanics free?

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

### Is Mechanical Components free?

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

### Which has better reviews, Eng Mechanics or Mechanical Components?

Eng Mechanics is rated higher. Eng Mechanics averages 4.7 out of 5 from 3 ratings, while Mechanical Components averages 3.0 from 2 ratings.

### Do Eng Mechanics or Mechanical Components have ads?

Neither Eng Mechanics nor Mechanical Components shows ads.

### Which is updated more often, Eng Mechanics or Mechanical Components?

Eng Mechanics ships an update every 12 months, and Mechanical Components every 7 months. Most recently, Eng Mechanics was updated on September 9, 2026 and Mechanical Components on June 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*