# Aerospace Engineering 101 vs AeroRotationSim

The clearest difference is ratings volume: Aerospace Engineering 101 at 51 against AeroRotationSim's 2. Aerospace Engineering 101 also leads on iOS requirement (9.0 vs 18.5). On price, rating, in-app purchases and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Aerospace Engineering 101 against 4.5 for AeroRotationSim. That said, the two scores are not equally well evidenced: Aerospace Engineering 101 has 51 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Aerospace Engineering 101 | AeroRotationSim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (51 ratings)](https://appshunter.io/ios/app/aerospace-engineering-101/id375658369/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/aerorotationsim/id6754519216/reviews)** |
| Number of ratings | **51** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 months |
| Monetization | Free | Free |
| Size | 52 MB | 7 MB |
| Requires iOS | **9.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pollmine.Com](https://appshunter.io/developer/356028414) | [Roger Eastman](https://appshunter.io/developer/1791448556) |

## What reviewers say

### Aerospace Engineering 101

[App page](https://appshunter.io/ios/app/aerospace-engineering-101/id375658369)

This app provides bite-sized video lessons, quizzes, and an AI-driven coach to help you learn aerospace engineering concepts. Dedicate just 60 minutes weekly to rapidly expand your knowledge across various business and engineering topics.

**Highlights:** AI-driven coach, Bite-sized video lessons, Quizzes for knowledge checks, Rapid learning modules, Wide range of business topics, Focus on aerospace engineering

**In-app purchases:** none


### AeroRotationSim

[App page](https://appshunter.io/ios/app/aerorotationsim/id6754519216)

This educational tool helps aerospace and physics students understand the rotational dynamics of rigid bodies. It covers key concepts like Euler angles, quaternions, and angular momentum, aiding in the study of attitude control systems.

**Highlights:** Euler angles, Quaternions, Direction cosine matrices, Angular velocity and momentum, Space and body cones, Poinsot's construction, Gravity gradient torque, Attitude control system torque

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aerospace Engineering 101 free?

Aerospace Engineering 101 is free to download, with no in-app purchases.

### Is AeroRotationSim free?

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

### Which has better reviews, Aerospace Engineering 101 or AeroRotationSim?

AeroRotationSim is rated higher. Aerospace Engineering 101 averages 4.5 out of 5 from 51 ratings, while AeroRotationSim averages 4.5 from 2 ratings.

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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.*