# SkyTest Heading Trainer vs Mental Math Practice

The clearest difference is price: Mental Math Practice at Free against SkyTest Heading Trainer's $5.99. Mental Math Practice also leads on update cadence (every 4 weeks vs every 30 months). SkyTest Heading Trainer's advantage is in-app purchases (none vs 9) and iOS requirement (13.0 vs 16.0). On ads and device support there is nothing between them.

Mental Math Practice is free to download; SkyTest Heading Trainer costs $5.99 up front. Mental Math Practice sells 9 in-app purchases, starting at $2.99 per 7 days. SkyTest Heading Trainer asks for nothing beyond the download.

SkyTest Heading Trainer ships an update every 30 months, Mental Math Practice every 4 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SkyTest Heading Trainer | Mental Math Practice |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mental-math-practice-1x1/id1580519521/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 16 MB | 29 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aviation Media & IT GmbH](https://appshunter.io/developer/504134961) | [Florian Schweizer](https://appshunter.io/developer/1142213239) |

## 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


### Mental Math Practice

[App page](https://appshunter.io/ios/app/mental-math-practice-1x1/id1580519521)

Sharpen your mental math skills with quick, focused practice sessions. Covers addition, subtraction, multiplication, and division across various number ranges and difficulty levels. Includes a home screen widget for hourly math drills.

**Highlights:** Addition, subtraction, multiplication, division, Multiple difficulty levels, Customizable number ranges, Distraction-free interface, Home screen widget, Progress tracking

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $2.99 | per 7 days |
| Pro (Yearly) | $19.99 | per year |
| Division Operator | $0.99 | one-time |
| Numbers up to 1000 | $0.99 | one-time |
| Sine Operator | $0.99 | one-time |
| Cosine Operator | $0.99 | one-time |
| Logarithm Operator | $0.99 | one-time |
| Percent Operator | $0.99 | one-time |
| All Operators | $2.99 | one-time |


## Frequently asked questions

### Is SkyTest Heading Trainer free?

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

### Is Mental Math Practice free?

Mental Math Practice is free to download, with in-app purchases available.

### Do SkyTest Heading Trainer or Mental Math Practice have ads?

Neither SkyTest Heading Trainer nor Mental Math Practice shows ads.

### Which is updated more often, SkyTest Heading Trainer or Mental Math Practice?

SkyTest Heading Trainer ships an update every 30 months, and Mental Math Practice every 4 weeks. Most recently, SkyTest Heading Trainer was updated on September 20, 2026 and Mental Math Practice on September 22, 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.*