# SkyTest BU/GU Preparation App vs CAT eLearning

The clearest difference is price: CAT eLearning at Free against SkyTest BU/GU Preparation App's $89.99. CAT eLearning also leads on update cadence (every 5 weeks vs every 3 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

CAT eLearning is free to download; SkyTest BU/GU Preparation App costs $89.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SkyTest BU/GU Preparation App ships an update every 3 months, CAT eLearning every 5 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | SkyTest BU/GU Preparation App | CAT eLearning |
| --- | --- | --- |
| Price | $89.99 | **Free** |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 429 MB | 75 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [CAT Civil Aviation Training](https://appshunter.io/developer/448922103) |

## What reviewers say

### SkyTest BU/GU Preparation App

[App page](https://appshunter.io/ios/app/skytest-bugu-preparation-app/id775751981)

Prepare for pilot aptitude tests with a comprehensive suite of training modules covering attention, memory, spatial orientation, psychomotor skills, math, logic, physics, technical comprehension, and English. Features include detailed explanations, customizable difficulty levels, performance analysis, and progress tracking to optimize your training outcome.

**Highlights:** 41 training modules, Bilingual (English/German), Interactive demos, Customizable difficulty, Performance analysis, Progress tracking, Training Assistant

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CAT eLearning

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

**In-app purchases:** none


## Frequently asked questions

### Is SkyTest BU/GU Preparation App free?

SkyTest BU/GU Preparation App costs $89.99, with no in-app purchases.

### Is CAT eLearning free?

CAT eLearning is free to download, with no in-app purchases.

### Do SkyTest BU/GU Preparation App or CAT eLearning have ads?

Neither SkyTest BU/GU Preparation App nor CAT eLearning shows ads.

### Which is updated more often, SkyTest BU/GU Preparation App or CAT eLearning?

SkyTest BU/GU Preparation App ships an update every 3 months, and CAT eLearning every 5 weeks. Most recently, SkyTest BU/GU Preparation App was updated on October 15, 2026 and CAT eLearning on October 15, 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.*