# Project FeederWatch vs iTrees App

The clearest difference is update cadence: Project FeederWatch at every 2 months against iTrees App's every 16 months. iTrees App's advantage is iOS requirement (13.4 vs 15.0). 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.

Project FeederWatch ships an update every 2 months, iTrees App every 16 months. The most recent releases landed on August 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Project FeederWatch | iTrees App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (68 ratings)](https://appshunter.io/ios/app/project-feederwatch/id1439222765/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Ad-supported | — |
| Size | 63 MB | 64 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cornell University](https://appshunter.io/developer/382072985) | [LadyBird Environmental Consulting LLP](https://appshunter.io/developer/1610706833) |

## What reviewers say

### Project FeederWatch

[App page](https://appshunter.io/ios/app/project-feederwatch/id1439222765)

Easily report bird sightings from your feeder for scientific research. Track your statistics, access past counts, and learn about local feeder birds. Contribute to a large database that aids conservation efforts.

**Highlights:** Report winter bird sightings, Track sighting statistics, Access past count archives, Contribute to bird population database, Discover best food and feeder types, Identify and learn about feeder birds

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

**In-app purchases:** none


### iTrees App

[App page](https://appshunter.io/ios/app/itrees-app/id6742198455)

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

**In-app purchases:** none


## Frequently asked questions

### Is Project FeederWatch free?

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

### Is iTrees App free?

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

### Do Project FeederWatch or iTrees App have ads?

Neither Project FeederWatch nor iTrees App shows ads.

### Which is updated more often, Project FeederWatch or iTrees App?

Project FeederWatch ships an update every 2 months, and iTrees App every 16 months. Most recently, Project FeederWatch was updated on August 19, 2026 and iTrees App on September 17, 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.*