# Pilot Mental Math vs RailFocus

The clearest difference is iOS requirement: RailFocus at 16.4 against Pilot Mental Math's 26.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Pilot Mental Math sells 2 in-app purchases, starting at $2.99 per month and RailFocus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pilot Mental Math ships an update weekly, RailFocus every 5 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Pilot Mental Math | RailFocus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pilot-mental-math/id6756044530/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 56 MB |
| Requires iOS | 26.1 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Grauel](https://appshunter.io/developer/1855338187) | [Joseph Halls](https://appshunter.io/developer/6792848111) |

## What reviewers say

### Pilot Mental Math

[App page](https://appshunter.io/ios/app/pilot-mental-math/id6756044530)

This app simulates acoustic mental math tests used by airlines for pilot screening. It focuses on auditory memory and calculation under time pressure, offering adaptive difficulty and custom training parameters.

**Highlights:** Acoustic simulation of spoken equations, Adaptive difficulty levels, Customizable training parameters, Exam mode with hidden timer, Performance tracking and analytics, Multiple language support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime | $6.99 | one-time |


### RailFocus

[App page](https://appshunter.io/ios/app/railfocus-train-driver-test/id6792848109)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RailFocus Plus | $9.99 | one-time |


## Frequently asked questions

### Is Pilot Mental Math free?

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

### Is RailFocus free?

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

### Do Pilot Mental Math or RailFocus have ads?

Neither Pilot Mental Math nor RailFocus shows ads.

### Which is updated more often, Pilot Mental Math or RailFocus?

Pilot Mental Math ships an update weekly, and RailFocus every 5 days. Most recently, Pilot Mental Math was updated on October 5, 2026 and RailFocus on September 30, 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.*