# Birdata vs Co

The clearest difference is review sentiment: Co at 100% against Birdata's 36%. Co also leads on update cadence (every 2 days vs monthly) and monetization model (free vs ad-supported). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Birdata ships an update monthly, Co every 2 days. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Birdata | Co |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 35.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Ad-supported | **Free** |
| Size | 44 MB | 31 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BirdLife Australia Ltd.](https://appshunter.io/developer/658218395) | [Ecodia Code](https://appshunter.io/developer/1881769122) |

## What reviewers say

### Birdata

[App page](https://appshunter.io/ios/app/birdata/id993576820)

This app allows volunteers and researchers to easily enter bird survey data directly from their mobile devices in the field. It provides basic reporting statistics and contributes to vital conservation efforts and reports on Australia's bird populations.

**Highlights:** Field data entry, Basic reporting statistics, Supports structured monitoring, Can be used for birding lists, Contributes to conservation reports

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Co

[App page](https://appshunter.io/ios/app/co-exist/id6760897574)

This app connects young Australians with local conservation events like tree planting and cleanups. Discover volunteer opportunities, join community groups, and track your positive environmental impact. It's designed to make environmental action accessible and rewarding.

**Highlights:** Find local conservation events, Join volunteer Collectives, Track conservation impact, Earn achievements, Community chat features

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Birdata free?

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

### Is Co free?

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

### Do Birdata or Co have ads?

Neither Birdata nor Co shows ads.

### Which is updated more often, Birdata or Co?

Birdata ships an update monthly, and Co every 2 days. Most recently, Birdata was updated on September 17, 2026 and Co on September 20, 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.*