# Birdathon vs SLMandic

The clearest difference is in-app purchases: SLMandic at none against Birdathon's 4. SLMandic also leads on update cadence (every 2 weeks vs every 4 months). Birdathon's advantage is review sentiment (100% vs 67%). 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. SLMandic asks for nothing beyond the download.

Birdathon ships an update every 4 months, SLMandic every 2 weeks. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Birdathon | SLMandic |
| --- | --- | --- |
| 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** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 192 MB | 69 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [SociedadeRegional de Ensino e Saude LTDA](https://appshunter.io/developer/1504503646) |

## 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 |


### SLMandic

[App page](https://appshunter.io/ios/app/slmandic/id1573777391)

This application streamlines student routines within an educational institution, offering tools to organize daily tasks. It aims to help students dedicate more time and focus to their studies.

**Highlights:** Streamline student routines, Organize daily tasks, Focus more on studies, Improve student experience, Educational institution tools

**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 SLMandic free?

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

### Do Birdathon or SLMandic have ads?

Neither Birdathon nor SLMandic shows ads.

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

Birdathon ships an update every 4 months, and SLMandic every 2 weeks. Most recently, Birdathon was updated on September 19, 2026 and SLMandic on September 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.*