Comparison

Velocity Triangles Analysis vs A320 FAP Simulator

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

Head to head
About

Velocity Triangles Analysis

Features
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VTA app is a velocity analysis application of a turbomachinery stage. The user can easily extract useful results and velocity diagrams by importing some dimensionless sizes, input-output angles and general geometric features. This application gives also the ability to compare cases with different input parameters. Through a quick and easy analysis of the velocity triangles inside a turbine or a compressor the student could experiment and thus gain a deeper understanding of the operation of an energy system. It has been developed for education purposes.

About

A320 FAP Simulator

This app simulates the Flight Attendant Panel (FAP) for A320 series aircraft, offering realistic controls and interactive panels. It's designed for flight and maintenance crew to practice operations, simulate alerts, and customize cabin settings.

Highlights
  • Aircraft flexibility (A318-A321)
  • Advanced cabin controls
  • Interactive panels and alerts
  • Customizable operations and screensaver
  • Preloaded and custom announcements
  • Fault simulation
  • Realistic MCDU integration
Features
Read full description

Experience the most comprehensive and realistic Flight Attendant Panel (FAP) simulator for A320 series aircraft. This tool is designed to match real-world CIDS/FAP for flight crew, cabin crew, and maintenance personnel. Whether you're preparing for real-world operations, honing your skills, or exploring cabin functionalities, this app delivers unmatched realism with highly customizable features. Key Features: - Aircraft Flexibility: Switch seamlessly between A318, A319, A320, A321, and A321ACF configurations (including FLEX cabin layouts). - Advanced Cabin Controls: Adjust cabin temperatures, lavatory positions, water/waste levels, seat settings for multiple zone layouts, cabin options and more! - Interactive Panels & Alerts: Simulate Attendant Indication Panel (AIP), Area Call Panel (ACP), and Aural Alerts for scenarios like EVAC and smoke. Lower FAP Panel access. - Customizable Operations: Set door statuses, boarding/flight modes, cabin lighting, LAV Positions, and even set your own FAP screen saver image. - Preloaded Announcements: Access preloaded safety and flight announcements (in English, Spanish, and French) with demo background music. - Customizable PRAM: Highly requested feature! Import your own audio files to customize Pre-recorded Announcements and Boarding Music directly from the Audio Configuration menu. - Fault Simulation: Trigger up to 36 faults that affect key operational pages for advanced scenario training. - Persistence & Customization: Configuration changes are retained after reloading, with options for tailored settings and secure access codes for protected pages. - Training-Ready Modules: Removable Cabin Assignment Module (CAM), PRAM (Programmable Announcement Module), and OBRM (Onboard Removal Module). Software loading possible via OBRM. - Realistic MCDU Integration: MCDU CIDS menus for maintenance practice. Who is it for? - Flight attendants preparing for real-world cabin operations. - Maintenance personnel needing a detailed training tool. Your Ultimate Cabin Experience Awaits. Download now!

Screenshots

Velocity Triangles Analysis4 screens
A320 FAP Simulator4 screens

Verdict

The call

The clearest difference is price: Velocity Triangles Analysis at Free against A320 FAP Simulator's $24.99. Velocity Triangles Analysis also leads on update cadence (every 2 days vs every 5 months) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support 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

Velocity Triangles Analysis is free to download; A320 FAP Simulator costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Velocity Triangles Analysis ships an update every 2 days, A320 FAP Simulator every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
Velocity Triangles Analysis versus A320 FAP Simulator: the parameters behind the verdict, then further details
ParameterVelocity Triangles AnalysisA320 FAP Simulator
PriceFree — better$24.99
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 days — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size52 MB77 MB
Age rating4+4+
DeveloperAristotle University of ThessalonikiERM SIMS LLC

In-app purchases

None

Velocity Triangles Analysis

No in-app purchases

None

A320 FAP Simulator

No in-app purchases

Questions

Is Velocity Triangles Analysis free?
Velocity Triangles Analysis is free to download, with no in-app purchases.
Is A320 FAP Simulator free?
A320 FAP Simulator costs $24.99, with no in-app purchases.
Do Velocity Triangles Analysis or A320 FAP Simulator have ads?
Neither Velocity Triangles Analysis nor A320 FAP Simulator shows ads.
Which is updated more often, Velocity Triangles Analysis or A320 FAP Simulator?
Velocity Triangles Analysis ships an update every 2 days, and A320 FAP Simulator every 5 months. Most recently, Velocity Triangles Analysis was updated on November 3, 2026 and A320 FAP Simulator on October 30, 2026.

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