# Pilot Aptitude Training vs Ammonia

The clearest difference is review sentiment: Pilot Aptitude Training at 63% against Ammonia's 0%. Pilot Aptitude Training also leads on rating (4.2 vs 1.0) and update cadence (every 2 months vs every 30 months). Ammonia's advantage is price ($0.99 vs $19.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Pilot Aptitude Training costs $19.99 and Ammonia $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pilot Aptitude Training holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Pilot Aptitude Training has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Pilot Aptitude Training's written reviews are positive against 0% of Ammonia's.

Pilot Aptitude Training ships an update every 2 months, Ammonia every 30 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Pilot Aptitude Training | Ammonia |
| --- | --- | --- |
| Price | $19.99 | **$0.99** |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/pilot-aptitude-training/id669233475/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ammonia-structure-and-properties/id1186158646/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 30 months |
| Monetization | Paid | Paid |
| Size | 41 MB | 23 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Horizon Enterprises Pty Ltd.](https://appshunter.io/developer/669233478) | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) |

## 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


### Ammonia

[App page](https://appshunter.io/ios/app/ammonia-structure-and-properties/id1186158646)

Explore the structure and properties of ammonia through interactive 3D simulations, videos, and DIY activities. This app makes learning chemistry engaging for students aged 11-15.

**Highlights:** 3D simulations and videos, Interactive DIY activities, Quiz section for assessment, Learn about ammonia and its properties, Practice interactive exercises

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pilot Aptitude Training free?

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

### Is Ammonia free?

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

### Which has better reviews, Pilot Aptitude Training or Ammonia?

Pilot Aptitude Training is rated higher. Pilot Aptitude Training averages 4.2 out of 5 from 10 ratings, while Ammonia averages 1.0 from 1 ratings.

### Do Pilot Aptitude Training or Ammonia have ads?

Neither Pilot Aptitude Training nor Ammonia shows ads.

### Which is updated more often, Pilot Aptitude Training or Ammonia?

Pilot Aptitude Training ships an update every 2 months, and Ammonia every 30 months. Most recently, Pilot Aptitude Training was updated on October 21, 2026 and Ammonia on October 14, 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.*