# Mental Math for Pilots vs SkyGO

The clearest difference is update cadence: SkyGO at monthly against Mental Math for Pilots's every 8 months. SkyGO also leads on iOS requirement (18.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mental Math for Pilots sells 3 in-app purchases, starting at $1.99 per month and SkyGO sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Mental Math for Pilots ships an update every 8 months, SkyGO monthly. The most recent releases landed on October 28, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Mental Math for Pilots | SkyGO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 13 MB | 4 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Selcuk Dolapci](https://appshunter.io/developer/1509031121) | [Nikita Petrov](https://appshunter.io/developer/6794622217) |

## What reviewers say

### Mental Math for Pilots

[App page](https://appshunter.io/ios/app/mental-math-for-pilots/id6759334830)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Yearly Pro | $19.99 | per year |
| Lifetime Access | $29.99 | one-time |


### SkyGO

[App page](https://appshunter.io/ios/app/skygo-pilot-aptitude-test/id6803723295)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkyGo Pro — Monthly | $9.99 | per month |
| SkyGo Pro — 6 Months | $24.99 | per 6 months |


## Frequently asked questions

### Is Mental Math for Pilots free?

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

### Is SkyGO free?

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

### Do Mental Math for Pilots or SkyGO have ads?

Neither Mental Math for Pilots nor SkyGO shows ads.

### Which is updated more often, Mental Math for Pilots or SkyGO?

Mental Math for Pilots ships an update every 8 months, and SkyGO monthly. Most recently, Mental Math for Pilots was updated on October 28, 2026 and SkyGO on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*