# AeroEngineS vs Eng Dynamics

The clearest difference is update cadence: AeroEngineS at every 3 days against Eng Dynamics's every 8 months. AeroEngineS also leads on monetization model (free vs freemium). Eng Dynamics's advantage is iOS requirement (9.0 vs 14.0). On price, rating, ratings volume and ads 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 — 5.0 for AeroEngineS against 5.0 for Eng Dynamics. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

AeroEngineS ships an update every 3 days, Eng Dynamics every 8 months. The most recent releases landed on June 24, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | AeroEngineS | Eng Dynamics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/aeroengines/id1451710013/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/eng-dynamics/id1510250282/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 8 months |
| Monetization | **Free** | Freemium |
| Size | 7 MB | 21 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aristotle University of Thessaloniki](https://appshunter.io/developer/542325073) | [Kurt Gramoll](https://appshunter.io/developer/782218116) |

## What reviewers say

### AeroEngineS

[App page](https://appshunter.io/ios/app/aeroengines/id1451710013)

This app simulates the thermodynamic cycles and performance of various aircraft and rocket engines. It calculates key parameters like thrust, mass flow, and emissions, and can predict compressor map operating points.

**Highlights:** Turbojet and turbofan engine simulation, Rocket engine cycle analysis, Ramjet engine simulation, Emissions calculation, Compressor map prediction, Thermodynamic cycle analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Eng Dynamics

[App page](https://appshunter.io/ios/app/eng-dynamics/id1510250282)

This app offers practice problems and solutions for engineering Dynamics courses, mirroring textbook structures. It links to a free online eBook for theoretical support. A free version provides limited problems, while a paid version unlocks a comprehensive library.

**Highlights:** Real homework and test problems, Organized by textbook sections/chapters, Complete solutions with graphics, Links to online eBook theory, Extensive problem library (Pro version), Problems used in real engineering classes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AeroEngineS free?

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

### Is Eng Dynamics free?

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

### Which has better reviews, AeroEngineS or Eng Dynamics?

AeroEngineS and Eng Dynamics are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do AeroEngineS or Eng Dynamics have ads?

Neither AeroEngineS nor Eng Dynamics shows ads.

### Which is updated more often, AeroEngineS or Eng Dynamics?

AeroEngineS ships an update every 3 days, and Eng Dynamics every 8 months. Most recently, AeroEngineS was updated on June 24, 2026 and Eng Dynamics on June 10, 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.*