Comparison

AeroEngineS vs Shock Diamonds

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AeroEngineS

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
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Aircraft Engine Performance at Design Point - Subsonic/Supersonic 1-Spool Turbojet - Subsonic 2-Spool Turbofan - Subsonic 2-Spool Boosted Turbofan - Subsonic 3-Spool Turbofan - Analysis of the Thermodynamic Cycle - Nozzle Area and Performance (Thrust, Power etc.) calculation - Mass Flows (Core, Bypass, Fuel) - Automatic calculation of ambient conditions based on the flight altitude using the International Standard Atmosphere model - Automatic calculation of Cp, gama, R for each component based on temperature and Fuel to Air Ratio - Automatic calculation of isentropic efficiency for each compressor and turbine based on polytropic efficiency and pressure ratio Hybrid Precooled Rocket Engine at Design Point - Analysis of the combined Thermodynamic Cycles with Air, Hydrogen & Helium as working fluids Ramjet Engine at Design Point - Simulation of the thermodynamic cycle of a hydrogen-fuelled Ramjet engine at optimized conditions. Ramjet Engine at Design Point - Simulation of the thermodynamic cycle of a hydrogen-fuelled Ramjet engine at optimized conditions. Supersonic 2-spool Turbojet Engine at Design Point - Simulation of the thermodynamic cycle of a Supersonic 2-spool turbojet engine with reheat. Aircraft Emissions - Emissions calculation for aircraft engines in LTO cycle and Cruise - Type of turbofan engines used: 1. Subsonic 2-Spool, 2. Subsonic 3-Spool Compressor Map Operating Point Prediction using - Scaling Techniques on an existing HPC map - Artificial Neural Networks to interpolate the existing map's data ______________________________________________________ Developer: Aggelos Gaitanis Original creator: Evangelia Pontika HyRE, Ramjet tab programmer: Spiros Tsentis Supersonic 2-spool Reheated tab programmer: Anastasios Saflekos Emissions tab developer/programmer: Maria Bakali Advisor: Ioanna Aslanidou, Konstantinos Kyprianidis Supervisor: Anestis Kalfas

About

Shock Diamonds

Features
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This is an app that simulates supersonic exhaust flow with ability to interact with custom 3D models

Screenshots

AeroEngineS4 screens
Shock Diamonds2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
AeroEngineS versus Shock Diamonds: the parameters behind the verdict, then further details
ParameterAeroEngineSShock Diamonds
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better18.0
Further details — not scored
Size7 MB15 MB
Age rating4+4+
DeveloperAristotle University of ThessalonikiViacheslav Gilevich

In-app purchases

None

AeroEngineS

No in-app purchases

None

Shock Diamonds

No in-app purchases

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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