# AeroEngineS vs Shock Diamonds

The clearest difference is device support: AeroEngineS at 3 against Shock Diamonds's 1. AeroEngineS also leads on iOS requirement (14.0 vs 18.0). On price, update cadence, 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.

AeroEngineS ships an update every 3 days, Shock Diamonds every 4 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AeroEngineS | Shock Diamonds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aeroengines/id1451710013/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free | — |
| Size | 7 MB | 15 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aristotle University of Thessaloniki](https://appshunter.io/developer/542325073) | [Viacheslav Gilevich](https://appshunter.io/developer/1541198784) |

## 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


### Shock Diamonds

[App page](https://appshunter.io/ios/app/shock-diamonds/id6749603019)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AeroEngineS free?

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

### Is Shock Diamonds free?

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

### Do AeroEngineS or Shock Diamonds have ads?

Neither AeroEngineS nor Shock Diamonds shows ads.

### Which is updated more often, AeroEngineS or Shock Diamonds?

AeroEngineS ships an update every 3 days, and Shock Diamonds every 4 days. Most recently, AeroEngineS was updated on October 7, 2026 and Shock Diamonds on October 28, 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.*