# SkyTest Heading Trainer vs Audio Maths

The clearest difference is price: Audio Maths at Free against SkyTest Heading Trainer's $5.99. Audio Maths also leads on update cadence (every 3 weeks vs every 30 months). SkyTest Heading Trainer's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

Audio Maths is free to download; SkyTest Heading Trainer costs $5.99 up front. Audio Maths sells 2 in-app purchases, starting at $3.99 per month. SkyTest Heading Trainer asks for nothing beyond the download.

SkyTest Heading Trainer ships an update every 30 months, Audio Maths every 3 weeks. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SkyTest Heading Trainer | Audio Maths |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 16 MB | 14 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [Felix Desiderato](https://appshunter.io/developer/1742514874) |

## What reviewers say

### SkyTest Heading Trainer

[App page](https://appshunter.io/ios/app/skytest-heading-trainer/id619320304)

Practice essential aviation skills for pilot and air traffic control assessments. This app helps you master compass points and degree conversions, offering customizable tasks to suit your learning needs.

**Highlights:** Compass point and degree conversion practice, Customizable tasks, Screen or audio task display, Reference values in degrees or points, Aviation assessment preparation

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

**In-app purchases:** none


### Audio Maths

[App page](https://appshunter.io/ios/app/audio-maths/id6754295502)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $3.99 | per month |
| Lifetime Access | $5.99 | one-time |


## Frequently asked questions

### Is SkyTest Heading Trainer free?

SkyTest Heading Trainer costs $5.99, with no in-app purchases.

### Is Audio Maths free?

Audio Maths is free to download, with in-app purchases available.

### Do SkyTest Heading Trainer or Audio Maths have ads?

Neither SkyTest Heading Trainer nor Audio Maths shows ads.

### Which is updated more often, SkyTest Heading Trainer or Audio Maths?

SkyTest Heading Trainer ships an update every 30 months, and Audio Maths every 3 weeks. Most recently, SkyTest Heading Trainer was updated on October 7, 2026 and Audio Maths 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.*