# Birdathon vs MizzouOne

The clearest difference is review sentiment: Birdathon at 100% against MizzouOne's 0%. Birdathon also leads on rating (4.7 vs 3.0). MizzouOne's advantage is in-app purchases (none vs 4) and iOS requirement (9.3 vs 16.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Birdathon holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 15 and 17 respectively. Written reviews point the same way: 100% of Birdathon's written reviews are positive against 0% of MizzouOne's.

Birdathon ships an update every 4 months, MizzouOne every 6 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Birdathon | MizzouOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/birdathon/id1211977440/reviews)** | [3.0 (17 ratings)](https://appshunter.io/ios/app/mizzouone/id1447426173/reviews) |
| Number of ratings | 15 | **17** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 192 MB | 32 MB |
| Requires iOS | 16.1 | **9.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [University of Missouri](https://appshunter.io/developer/386691190) |

## 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 |


### MizzouOne

[App page](https://appshunter.io/ios/app/mizzouone/id1447426173)

This app provides Mizzou students with easy access to essential campus information and services. Find class schedules, grades, campus maps, dining menus, financial aid details, and more, all searchable in one convenient location.

**Highlights:** Class schedules and grades, Campus maps, Dining menus, Financial aid information, Transportation details, Powerful search functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Birdathon free?

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

### Is MizzouOne free?

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

### Which has better reviews, Birdathon or MizzouOne?

Birdathon is rated higher. Birdathon averages 4.7 out of 5 from 15 ratings, while MizzouOne averages 3.0 from 17 ratings.

### Do Birdathon or MizzouOne have ads?

Neither Birdathon nor MizzouOne shows ads.

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

Birdathon ships an update every 4 months, and MizzouOne every 6 months. Most recently, Birdathon was updated on October 24, 2026 and MizzouOne on October 27, 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.*