# Mobile Multibody Dynamics vs Eng Statics

The clearest difference is update cadence: Mobile Multibody Dynamics at monthly against Eng Statics's every 13 months. Eng Statics's advantage is rating (4.0 vs 3.7) and iOS requirement (9.0 vs 16.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Eng Statics holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

Mobile Multibody Dynamics ships an update monthly, Eng Statics every 13 months. The most recent releases landed on September 16, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Mobile Multibody Dynamics | Eng Statics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/mobile-multibody-dynamics/id1491149780/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/eng-statics/id1538248792/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Free | Free |
| Size | 111 MB | 21 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eliott Radcliffe](https://appshunter.io/developer/1477487767) | [Kurt Gramoll](https://appshunter.io/developer/782218116) |

## 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


### Eng Statics

[App page](https://appshunter.io/ios/app/eng-statics/id1538248792)

This app offers a comprehensive collection of real engineering Statics problems and solutions, organized by textbook chapters. It provides detailed explanations with graphics and links to an online eBook for further study. The paid version unlocks over 500 problems for enhanced learning.

**Highlights:** Real homework and test problems, Organized by textbook sections and chapters, Complete solutions with graphics, Links to online eBook theory pages, Over 500 problems in paid version, Problems updated from online database

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Multibody Dynamics free?

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

### Is Eng Statics free?

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

### Which has better reviews, Mobile Multibody Dynamics or Eng Statics?

Eng Statics is rated higher. Mobile Multibody Dynamics averages 3.7 out of 5 from 6 ratings, while Eng Statics averages 4.0 from 4 ratings.

### Do Mobile Multibody Dynamics or Eng Statics have ads?

Neither Mobile Multibody Dynamics nor Eng Statics shows ads.

### Which is updated more often, Mobile Multibody Dynamics or Eng Statics?

Mobile Multibody Dynamics ships an update monthly, and Eng Statics every 13 months. Most recently, Mobile Multibody Dynamics was updated on September 16, 2026 and Eng Statics on July 7, 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.*