# SkyTest BU/GU Preparation App vs Dlr Exam Pro

The clearest difference is price: Dlr Exam Pro at Free against SkyTest BU/GU Preparation App's $89.99. Dlr Exam Pro also leads on update cadence (every 8 days vs every 3 months) and device support (3 vs 1). SkyTest BU/GU Preparation App's advantage is in-app purchases (none vs 1). On ads and iOS requirement there is nothing between them.

Dlr Exam Pro is free to download; SkyTest BU/GU Preparation App costs $89.99 up front. Dlr Exam Pro sells 1 one-off in-app purchase. SkyTest BU/GU Preparation App asks for nothing beyond the download.

SkyTest BU/GU Preparation App ships an update every 3 months, Dlr Exam Pro every 8 days. The most recent releases landed on September 10, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | SkyTest BU/GU Preparation App | Dlr Exam Pro |
| --- | --- | --- |
| Price | $89.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dlr-exam-pro/id6738310814/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 426 MB | 153 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [Fatih Ergelez](https://appshunter.io/developer/1638708739) |

## 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


### Dlr Exam Pro

[App page](https://appshunter.io/ios/app/dlr-exam-pro/id6738310814)

Prepare for the DLR exam with this app, offering practice for all skill modules at various difficulty levels. Track your progress with past scores and benefit from a modern interface with endless question variations.

**Highlights:** All DLR modules included, Multiple difficulty levels, Progress tracking with past scores, Randomized question generation, Clear and modern interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime pro account. | $3.99 | one-time |


## Frequently asked questions

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

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

### Is Dlr Exam Pro free?

Dlr Exam Pro is free to download, with in-app purchases available.

### Do SkyTest BU/GU Preparation App or Dlr Exam Pro have ads?

Neither SkyTest BU/GU Preparation App nor Dlr Exam Pro shows ads.

### Which is updated more often, SkyTest BU/GU Preparation App or Dlr Exam Pro?

SkyTest BU/GU Preparation App ships an update every 3 months, and Dlr Exam Pro every 8 days. Most recently, SkyTest BU/GU Preparation App was updated on September 10, 2026 and Dlr Exam Pro on June 11, 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.*