# Zooniverse vs Project FeederWatch

The clearest difference is rating: Zooniverse at 3.7 against Project FeederWatch's 3.0. Zooniverse also leads on review sentiment (59% vs 33%) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and ads there is nothing between them.

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

Zooniverse holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 38 and 68 respectively. Written reviews point the same way: 59% of Zooniverse's written reviews are positive against 33% of Project FeederWatch's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Zooniverse | Project FeederWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (38 ratings)](https://appshunter.io/ios/app/zooniverse/id1194130243/reviews)** | [3.0 (68 ratings)](https://appshunter.io/ios/app/project-feederwatch/id1439222765/reviews) |
| Number of ratings | 38 | **68** |
| Positive reviews | **58.8% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 50 MB | 63 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zooniverse](https://appshunter.io/developer/1851894671) | [Cornell University](https://appshunter.io/developer/382072985) |

## What reviewers say

### Zooniverse

[App page](https://appshunter.io/ios/app/zooniverse/id1194130243)

Participate in real scientific research by classifying data for projects across various disciplines. Contribute to discoveries and datasets that advance knowledge, all from your mobile device. This platform connects volunteers with professional researchers for impactful citizen science.

**Highlights:** People-powered research platform, Volunteer opportunities, Access to mobile-friendly projects, Push notification updates, View publications, Contribute to scientific discoveries

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

**In-app purchases:** none


### 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

**What reviewers like**

- 👍 Easy to use interface
- 👍 Straightforward tracking
- 👍 Neat data summaries
- 👍 Good support responsiveness
- 👍 Convenient app access

**What reviewers complain about**

- 💰 Unexpected payment required
- 🐛 Data loss and disappearing counts
- 🐛 App freezes and crashes
- 🐛 Login issues and errors
- 🐛 Inconsistent data saving

**Reported bugs**

- Birds saved then disappear
- Counts get lost
- Entries not saved consistently
- Part of data not recorded
- App deletes counts

**Requested features**

- Fix data loss issues
- Improve app stability
- Resolve login problems
- Add offline data entry
- Provide taxonomic sort option


## Frequently asked questions

### Is Zooniverse free?

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

### Is Project FeederWatch free?

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

### Which has better reviews, Zooniverse or Project FeederWatch?

Zooniverse is rated higher. Zooniverse averages 3.7 out of 5 from 38 ratings, while Project FeederWatch averages 3.0 from 68 ratings.

### Do Zooniverse or Project FeederWatch have ads?

Neither Zooniverse nor Project FeederWatch shows ads.

### Which is updated more often, Zooniverse or Project FeederWatch?

Zooniverse ships an update every 2 months, and Project FeederWatch every 2 months. Most recently, Zooniverse was updated on October 24, 2026 and Project FeederWatch on October 23, 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.*