Comparison

CAT eLearning vs VOR ADF Simulator

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

Head to head
About

CAT eLearning

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Welcome to version 2.0 of the CAT eLearning app! CAT eLearning allows you to access, track, and annotate all of your aviation courseware through a single unified interface from any modern mobile device or desktop computer! In version 2.0 we have implemented dozens and dozens of suggestions, wishes, and requests provided by our users all through 2020! Completely redesigned user interface and official support for iPhones. If you have additional suggestions for what you'd love to see in the app, please email us and we guarantee to evaluate and respond to every suggestion we receive! Thank you for all your support and best of luck with your education! Your CAT Europe Team

About

VOR ADF Simulator

Features
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VOR & ADF Aviation Trainer – Radio Navigation for PPL Students Learn radio navigation with VOR and ADF – specifically designed for PPL students and everyone making their first contact with radio navigation in aviation. NEW --- Trainer Mode β€’ Improve and train your understanding of VOR with the integrated trainer β€’ Get feedback immediatly VOR Simulator (VHF Omnidirectional Range) β€’ Interactive VOR instrument with CDI display (Course Deviation Indicator) β€’ TO/FROM flags β€’ Visualization of VOR radials β€’ Course deviation (2Β° per dot) ADF Simulator (Automatic Direction Finder) β€’ Radio Magnetic Indicator (RMI) with bearing needle β€’ Two operating modes: Fixed ADF (RMI) and Rotatable (RBI) β€’ Bearing to NDB stations Interactive Training β€’ Position aircraft and navigation stations freely β€’ Heading control with rotation buttons or manual input (0-359Β°) β€’ Throttle control β€’ "Follow Path" mode: Draw flight paths and the aircraft follows automatically Deliberately Simple Design: The app features an intentionally clean and clear design without unnecessary distractions. The focus is on what matters: understanding and practicing navigation instruments. Clear presentation, intuitive operation – perfect for learning. Who is this app for? β€’ PPL students (Private Pilot License) in training β€’ Flight students learning VOR and ADF navigation β€’ Everyone making their first contact with radio navigation in aviation Features β€’ Portrait and landscape modeΒ  β€’ Help dialog with explanations and tips β€’ No internet connection required β€’ No ads, no in-app purchase

Screenshots

CAT eLearning4 screens
VOR ADF Simulator4 screens

Verdict

The call

The clearest difference is price: CAT eLearning at Free against VOR ADF Simulator's $3.99. CAT eLearning also leads on iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

CAT eLearning is free to download; VOR ADF Simulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CAT eLearning ships an update every 5 weeks, VOR ADF Simulator every 2 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard2 real differences Β· 4 level
CAT eLearning versus VOR ADF Simulator: the parameters behind the verdict, then further details
ParameterCAT eLearningVOR ADF Simulator
PriceFree β€” better$3.99
Update frequencyEvery 5 weeks β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 β€” better15.0
Further details β€” not scored
Size75 MB23 MB
Age rating4+4+
DeveloperCAT Civil Aviation TrainingSeifert AviationSoftware

In-app purchases

None

CAT eLearning

No in-app purchases

None

VOR ADF Simulator

No in-app purchases

Questions

Is CAT eLearning free?
CAT eLearning is free to download, with no in-app purchases.
Is VOR ADF Simulator free?
VOR ADF Simulator costs $3.99, with no in-app purchases.
Do CAT eLearning or VOR ADF Simulator have ads?
Neither CAT eLearning nor VOR ADF Simulator shows ads.
Which is updated more often, CAT eLearning or VOR ADF Simulator?
CAT eLearning ships an update every 5 weeks, and VOR ADF Simulator every 2 months. Most recently, CAT eLearning was updated on October 15, 2026 and VOR ADF Simulator on October 14, 2026.

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