# Mobile Multibody Dynamics vs Engineering Math Quiz

The clearest difference is rating: Engineering Math Quiz at 5.0 against Mobile Multibody Dynamics's 3.7. Engineering Math Quiz also leads on iOS requirement (12.0 vs 16.0). Mobile Multibody Dynamics's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Engineering Math Quiz sells 7 in-app purchases, starting at $4.99 per month. Mobile Multibody Dynamics asks for nothing beyond the download.

Engineering Math Quiz holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Mobile Multibody Dynamics has 6 ratings behind it against 1, so its average is the more settled of the two.

Mobile Multibody Dynamics ships an update monthly, Engineering Math Quiz every 3 weeks. The most recent releases landed on October 6, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Mobile Multibody Dynamics | Engineering Math Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/mobile-multibody-dynamics/id1491149780/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engineering-math-quiz/id1583491466/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 111 MB | 68 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) | [Arshad Iqbal](https://appshunter.io/developer/1547001151) |

## What reviewers say

### Mobile Multibody Dynamics

[App page](https://appshunter.io/ios/app/mobile-multibody-dynamics/id1491149780)

This app offers a graphical interface for mechanical engineers and physicists to model and simulate multibody dynamics. It bridges the gap between manual equation derivation and complex CAD-like software, serving as an educational tool for students and professionals.

**Highlights:** Graphical modeling interface, Simulation of multibody dynamics, Educational resource for engineering students, Export custom Python code, Accessible alternative to professional software, On-device modeling and analysis

**In-app purchases:** none


### Engineering Math Quiz

[App page](https://appshunter.io/ios/app/engineering-math-quiz/id1583491466)

Practice over 350 engineering math trivia questions with this free iOS app. It offers self-assessment tests and answer keys for various topics, aiding students in their learning and exam preparation.

**Highlights:** 350+ engineering math trivia questions, Self-assessment tests, Answer keys provided, Covers basic and advanced topics, Revision guide for students, Practice for online exams

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $0.99 | one-time |
| 6000 Coins | $2.99 | one-time |


## Frequently asked questions

### Is Mobile Multibody Dynamics free?

Mobile Multibody Dynamics is free to download, with no in-app purchases.

### Is Engineering Math Quiz free?

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

### Which has better reviews, Mobile Multibody Dynamics or Engineering Math Quiz?

Engineering Math Quiz is rated higher. Mobile Multibody Dynamics averages 3.7 out of 5 from 6 ratings, while Engineering Math Quiz averages 5.0 from 1 ratings.

### Do Mobile Multibody Dynamics or Engineering Math Quiz have ads?

Engineering Math Quiz shows ads; Mobile Multibody Dynamics does not.

### Which is updated more often, Mobile Multibody Dynamics or Engineering Math Quiz?

Mobile Multibody Dynamics ships an update monthly, and Engineering Math Quiz every 3 weeks. Most recently, Mobile Multibody Dynamics was updated on October 6, 2026 and Engineering Math Quiz on September 25, 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.*