# SkyTest BU/GU Preparation App vs Short

The clearest difference is price: Short at $0.99 against SkyTest BU/GU Preparation App's $89.99. Short also leads on device support (3 vs 1). SkyTest BU/GU Preparation App's advantage is update cadence (every 3 months vs every 13 months). On ads, in-app purchases and iOS requirement there is nothing between them.

SkyTest BU/GU Preparation App costs $89.99 and Short $0.99 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, Short every 13 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SkyTest BU/GU Preparation App | Short |
| --- | --- | --- |
| Price | $89.99 | **$0.99** |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Paid | — |
| Size | 426 MB | 49 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | **iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## 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

**In-app purchases:** none


### Short

[App page](https://appshunter.io/ios/app/short-term-memory-workout/id1555358921)

**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 Short free?

Short costs $0.99, with no in-app purchases.

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

Neither SkyTest BU/GU Preparation App nor Short shows ads.

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

SkyTest BU/GU Preparation App ships an update every 3 months, and Short every 13 months. Most recently, SkyTest BU/GU Preparation App was updated on September 10, 2026 and Short on September 9, 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.*