# Birdathon vs Gradey

The clearest difference is review sentiment: Birdathon at 100% against Gradey's 0%. Gradey's advantage is in-app purchases (none vs 4) and update cadence (every 4 days vs every 4 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Birdathon sells 4 one-off in-app purchases. Gradey asks for nothing beyond the download.

Birdathon ships an update every 4 months, Gradey every 4 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Birdathon | Gradey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/birdathon/id1211977440/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 192 MB | 14 MB |
| Requires iOS | 16.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [SozenTech Consulting Inc.](https://appshunter.io/developer/1431015360) |

## 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 |


### Gradey

[App page](https://appshunter.io/ios/app/gradey-grade-tracker/id1431015395)

Easily monitor your academic performance by tracking grades and assignments. This app offers flexible course setup with custom colors, GPA scales, and target grades, making it ideal for students of all levels.

**Highlights:** Custom course colors, GPA calculator, Average calculator, Track grades, Track assignments, Editable courses/assignments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Birdathon free?

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

### Is Gradey free?

Gradey is free to download, with no in-app purchases.

### Do Birdathon or Gradey have ads?

Neither Birdathon nor Gradey shows ads.

### Which is updated more often, Birdathon or Gradey?

Birdathon ships an update every 4 months, and Gradey every 4 days. Most recently, Birdathon was updated on October 7, 2026 and Gradey on September 28, 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.*