# Birdathon vs M.E.R.P

The clearest difference is in-app purchases: M.E.R.P at none against Birdathon's 4. M.E.R.P also leads on rating (5.0 vs 4.7) and iOS requirement (13.0 vs 16.1). Birdathon's advantage is ratings volume (15 vs 1). On price, update cadence, ads and monetization model there is nothing between them.

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

M.E.R.P holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Birdathon has 15 ratings behind it against 1, so its average is the more settled of the two.

Birdathon ships an update every 4 months, M.E.R.P every 3 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Birdathon | M.E.R.P |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/birdathon/id1211977440/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/merp/id1496239515/reviews)** |
| Number of ratings | **15** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 192 MB | 25 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [Safeguard Risk Solutions](https://appshunter.io/developer/910796899) |

## 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 |


### M.E.R.P

[App page](https://appshunter.io/ios/app/merp/id1496239515)

This platform enables users to create customized emergency response plans for schools and businesses. It offers a web-based solution for comprehensive safety preparedness.

**Highlights:** Customizable emergency plans, School district planning, Business safety preparedness, Web-based platform, Emergency response tools

**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 M.E.R.P free?

M.E.R.P is free to download, with no in-app purchases.

### Which has better reviews, Birdathon or M.E.R.P?

M.E.R.P is rated higher. Birdathon averages 4.7 out of 5 from 15 ratings, while M.E.R.P averages 5.0 from 1 ratings.

### Do Birdathon or M.E.R.P have ads?

Neither Birdathon nor M.E.R.P shows ads.

### Which is updated more often, Birdathon or M.E.R.P?

Birdathon ships an update every 4 months, and M.E.R.P every 3 months. Most recently, Birdathon was updated on October 24, 2026 and M.E.R.P on October 14, 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.*