AeroEngineS vs Eng Dynamics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Turbojet and turbofan engine simulation
- Rocket engine cycle analysis
- Ramjet engine simulation
- Emissions calculation
- Compressor map prediction
- Thermodynamic cycle analysis
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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
Eng Dynamics
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.
- 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
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'Eng Dynamics' app provides real homework and test problems for the common engineering course called Dynamics. All problems are organized in sections and chapters common to most textbooks. Each problem has a complete solution with graphics to help you better understand how to solve the problem. Also, each problem has a link to a theory web page for that section at the online eBook (eCoursesBook.com). There is no cost for the online eBook, and it can be accessed outside of the app. The 'Lite' version (free) of the app has a select number of problems, about 50-70. The 'Pro' version ($3.99) has over 400 problems. Neither has ads. Both versions use the internet to pull problems from an online database as needed. Network connection is required to run the app. Each problem is small (less than 20 k) and are vector-based graphics. All problems have been used in real engineering classes. Problems are accessed through an online database, so if any errors are identified, they will be updated and the app will use the corrected version. This program is copyrighted and cannot be distributed without the author's written consent.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | AeroEngineS | Eng Dynamics |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 days — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Aristotle University of Thessaloniki | Kurt Gramoll |
Customer experience
AeroEngineS
Eng Dynamics
In-app purchases
AeroEngineS
No in-app purchases
Eng Dynamics
No in-app purchases
Questions
Is AeroEngineS free?
Is Eng Dynamics free?
Which has better reviews, AeroEngineS or Eng Dynamics?
Do AeroEngineS or Eng Dynamics have ads?
Which is updated more often, AeroEngineS or Eng Dynamics?
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