# Pilot Aptitude Training vs CLEP Natural Science Prep

The clearest difference is review sentiment: Pilot Aptitude Training at 63% against CLEP Natural Science Prep's 0%. Pilot Aptitude Training also leads on iOS requirement (12.0 vs 18.0). CLEP Natural Science Prep's advantage is price ($1.99 vs $19.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Pilot Aptitude Training costs $19.99 and CLEP Natural Science Prep $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pilot Aptitude Training ships an update every 2 months, CLEP Natural Science Prep every 5 months. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Pilot Aptitude Training | CLEP Natural Science Prep |
| --- | --- | --- |
| Price | $19.99 | **$1.99** |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/pilot-aptitude-training/id669233475/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 41 MB | 3 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blue Horizon Enterprises Pty Ltd.](https://appshunter.io/developer/669233478) | [Feraco media Inc.](https://appshunter.io/developer/497957884) |

## What reviewers say

### Pilot Aptitude Training

[App page](https://appshunter.io/ios/app/pilot-aptitude-training/id669233475)

Prepare for aircrew aptitude tests with this comprehensive training app. It offers over 1600 practice questions, including interview scenarios, spatial orientation, and instrument interpretation exercises. Designed by experienced aircrew, it aims to provide the edge needed to pass recruiting tests.

**Highlights:** Over 1600 practice questions, Interview question practice, 3D spatial orientation testing, Timed instrument interpretation, Tilted ball coordination exercise, Score recording

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

**In-app purchases:** none


### CLEP Natural Science Prep

[App page](https://appshunter.io/ios/app/clep-natural-science-prep/id955022460)

Prepare for the CLEP Natural Sciences exam with practice tests and flashcards. This app helps you master key concepts for college credit, saving you time and tuition costs. Study offline anytime, anywhere.

**Highlights:** Realistic practice exams, Vocabulary flashcards, Offline study capability, Progress tracking, Covers all exam topics

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

**In-app purchases:** none


## Frequently asked questions

### Is Pilot Aptitude Training free?

Pilot Aptitude Training costs $19.99, with no in-app purchases.

### Is CLEP Natural Science Prep free?

CLEP Natural Science Prep costs $1.99, with no in-app purchases.

### Do Pilot Aptitude Training or CLEP Natural Science Prep have ads?

Neither Pilot Aptitude Training nor CLEP Natural Science Prep shows ads.

### Which is updated more often, Pilot Aptitude Training or CLEP Natural Science Prep?

Pilot Aptitude Training ships an update every 2 months, and CLEP Natural Science Prep every 5 months. Most recently, Pilot Aptitude Training was updated on November 13, 2026 and CLEP Natural Science Prep on November 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.*