# Pilot Mental Math vs DLR Test Trainer

The clearest difference is in-app purchases: DLR Test Trainer at none against Pilot Mental Math's 2. DLR Test Trainer also leads on update cadence (daily vs weekly) and iOS requirement (16.4 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Pilot Mental Math sells 2 in-app purchases, starting at $2.99 per month. DLR Test Trainer asks for nothing beyond the download.

Pilot Mental Math ships an update weekly, DLR Test Trainer daily. The most recent releases landed on August 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Pilot Mental Math | DLR Test Trainer |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 53 MB |
| Requires iOS | 26.1 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Grauel](https://appshunter.io/developer/1855338187) | [Noa Walser](https://appshunter.io/developer/6776944214) |

## 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 |


### DLR Test Trainer

[App page](https://appshunter.io/ios/app/dlr-test-trainer-pilot-exam/id6779955509)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pilot Mental Math free?

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

### Is DLR Test Trainer free?

DLR Test Trainer is free to download, with no in-app purchases.

### Do Pilot Mental Math or DLR Test Trainer have ads?

Neither Pilot Mental Math nor DLR Test Trainer shows ads.

### Which is updated more often, Pilot Mental Math or DLR Test Trainer?

Pilot Mental Math ships an update weekly, and DLR Test Trainer daily. Most recently, Pilot Mental Math was updated on August 6, 2026 and DLR Test Trainer on September 20, 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.*