# Birdathon vs nSide|Lockdown

The clearest difference is rating: Birdathon at 4.7 against nSide|Lockdown's 4.2. Birdathon also leads on ratings volume (15 vs 5). nSide|Lockdown's advantage is in-app purchases (none vs 4) and update cadence (every 2 months 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. nSide|Lockdown asks for nothing beyond the download.

Birdathon holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 15 and 5 respectively.

Birdathon ships an update every 4 months, nSide|Lockdown every 2 months. The most recent releases landed on September 19, 2026 and August 11, 2026 respectively.

## The numbers

| Metric | Birdathon | nSide|Lockdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/birdathon/id1211977440/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/nsidelockdown/id1579693190/reviews) |
| Number of ratings | **15** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 192 MB | 18 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Barry Langdon-Lassagne](https://appshunter.io/developer/730758814) | [nSide, Inc](https://appshunter.io/developer/1036395820) |

## 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 |


### nSide|Lockdown

[App page](https://appshunter.io/ios/app/nsidelockdown/id1579693190)

This app provides critical emergency response functionality for schools using the nSide Platform. It enables immediate lockdown procedures and alerts relevant authorities and school officials during emergencies.

**Highlights:** Initiate lockdown procedures, Notify law enforcement, Alert school officials, Emergency assistance requests, Integrates with nSide Platform

**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 nSide|Lockdown free?

nSide|Lockdown is free to download, with no in-app purchases.

### Which has better reviews, Birdathon or nSide|Lockdown?

Birdathon is rated higher. Birdathon averages 4.7 out of 5 from 15 ratings, while nSide|Lockdown averages 4.2 from 5 ratings.

### Do Birdathon or nSide|Lockdown have ads?

Neither Birdathon nor nSide|Lockdown shows ads.

### Which is updated more often, Birdathon or nSide|Lockdown?

Birdathon ships an update every 4 months, and nSide|Lockdown every 2 months. Most recently, Birdathon was updated on September 19, 2026 and nSide|Lockdown on August 11, 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.*