# Birdathon vs Pilot Mental Math Trainer

The clearest difference is review sentiment: Birdathon at 100% against Pilot Mental Math Trainer's 43%. Birdathon also leads on price (Free vs $3.99) and rating (4.7 vs 1.0). Pilot Mental Math Trainer's advantage is in-app purchases (none vs 4) and update cadence (monthly vs every 4 months). On ads and device support there is nothing between them.

Birdathon is free to download; Pilot Mental Math Trainer costs $3.99 up front. Birdathon sells 4 one-off in-app purchases. Pilot Mental Math Trainer asks for nothing beyond the download.

Birdathon holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Birdathon has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Birdathon's written reviews are positive against 43% of Pilot Mental Math Trainer's.

Birdathon ships an update every 4 months, Pilot Mental Math Trainer monthly. The most recent releases landed on September 19, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Birdathon | Pilot Mental Math Trainer |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/birdathon/id1211977440/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/pilot-mental-math-trainer/id1453543435/reviews) |
| Number of ratings | **15** | 2 |
| Positive reviews | **100.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | **Free** | Paid |
| Size | 192 MB | 9 MB |
| Requires iOS | 16.1 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [Thomas Oswald](https://appshunter.io/developer/740516956) |

## What reviewers say

### Birdathon

[App page](https://appshunter.io/ios/app/birdathon/id1211977440)

This app helps birdwatchers create and organize detailed checklists of their observations. It automatically records time and location, allowing for easy editing and customization. Users can visualize their sightings on maps, add field notes, and export data for sharing or further analysis.

**Highlights:** Observation-centric checklists, Automatic time and location recording, Customizable maps with boundary overlays, Field notes for additional observations, Multiple checklist sorting options, Data export to CSV and other formats, Create checklist templates

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Good Tip | $0.99 | one-time |
| Great Tip | $1.99 | one-time |
| Amazing Tip | $2.99 | one-time |
| Incredible Tip | $4.99 | one-time |


### Pilot Mental Math Trainer

[App page](https://appshunter.io/ios/app/pilot-mental-math-trainer/id1453543435)

This app helps aspiring pilots improve their mental math skills, crucial for exams and flight operations. It offers six training modules and game-like features to enhance calculation speed, accuracy, and confidence.

**Highlights:** 6 Training Modules (Estimation, Fractions, Word Problems, Number Series, Arithmetic, Cube Test), Dynamic question generator, Timed exercises, Highscore tracking, Average response time tracking, Aviation-related word problems

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

**In-app purchases:** none


## Frequently asked questions

### Is Birdathon free?

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

### Is Pilot Mental Math Trainer free?

Pilot Mental Math Trainer costs $3.99, with no in-app purchases.

### Which has better reviews, Birdathon or Pilot Mental Math Trainer?

Birdathon is rated higher. Birdathon averages 4.7 out of 5 from 15 ratings, while Pilot Mental Math Trainer averages 1.0 from 2 ratings.

### Do Birdathon or Pilot Mental Math Trainer have ads?

Neither Birdathon nor Pilot Mental Math Trainer shows ads.

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

Birdathon ships an update every 4 months, and Pilot Mental Math Trainer monthly. Most recently, Birdathon was updated on September 19, 2026 and Pilot Mental Math Trainer on September 5, 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.*