# SkyTest BU/GU Preparation App vs C150 Pad

The clearest difference is price: C150 Pad at $16.99 against SkyTest BU/GU Preparation App's $89.99. SkyTest BU/GU Preparation App's advantage is review sentiment (40% vs 0%) and update cadence (every 3 months vs every 8 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

SkyTest BU/GU Preparation App costs $89.99 and C150 Pad $16.99 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, C150 Pad every 8 months. The most recent releases landed on September 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SkyTest BU/GU Preparation App | C150 Pad |
| --- | --- | --- |
| Price | $89.99 | **$16.99** |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/c150-pad/id1067564808/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 426 MB | 24 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [Gyronimo, LLC](https://appshunter.io/developer/536898885) |

## 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


### C150 Pad

[App page](https://appshunter.io/ios/app/c150-pad/id1067564808)

This application is a flight planning tool for the Cessna 150, calculating mass and balance, takeoff and landing distances, climb data, and optimal cruise altitudes. It allows users to input various flight conditions and aircraft configurations to generate precise performance metrics.

**Highlights:** Mass & Balance calculations, Takeoff and Landing distance computation, Climb performance analysis, Optimal cruise altitude finder, Stall speed calculation, Load manifest generation, Scenario "what if" analysis

**Features:** macOS Compatibility

**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 C150 Pad free?

C150 Pad costs $16.99, with no in-app purchases.

### Do SkyTest BU/GU Preparation App or C150 Pad have ads?

Neither SkyTest BU/GU Preparation App nor C150 Pad shows ads.

### Which is updated more often, SkyTest BU/GU Preparation App or C150 Pad?

SkyTest BU/GU Preparation App ships an update every 3 months, and C150 Pad every 8 months. Most recently, SkyTest BU/GU Preparation App was updated on September 10, 2026 and C150 Pad on October 2, 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.*