# CAT eLearning vs VOR ADF Simulator

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.

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.

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.

## The numbers

| Metric | CAT eLearning | VOR ADF Simulator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 75 MB | 23 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAT Civil Aviation Training](https://appshunter.io/developer/448922103) | [Seifert AviationSoftware](https://appshunter.io/developer/1859220797) |

## What reviewers say

### CAT eLearning

[App page](https://appshunter.io/ios/app/cat-elearning/id1476987688)

**In-app purchases:** none


### VOR ADF Simulator

[App page](https://appshunter.io/ios/app/vor-adf-simulator/id6756212116)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*