Zooniverse vs Anecdata.org
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zooniverse
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.
- People-powered research platform
- Volunteer opportunities
- Access to mobile-friendly projects
- Push notification updates
- View publications
- Contribute to scientific discoveries
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The Zooniverse is the world’s largest and most popular platform for people-powered research. This research is made possible by volunteers—hundreds of thousands of people around the world who come together to assist professional researchers. Our goal is to enable research that would not be possible, or practical, otherwise. Zooniverse research results in new discoveries, datasets useful to the wider research community, and many publications. The Zooniverse Mobile App provides push notification updates about our projects, as well as access to our most mobile-friendly projects and publications.
Anecdata.org
This platform empowers users to create, manage, and participate in citizen science projects. It facilitates data collection in the field, even offline, and supports project analysis and download.
- Project creation and management
- Datasheet design
- Participant invitation
- Offline data collection
- Data download and analysis
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Anecdata.org is a free online platform for managing all aspects of a citizen science project, from project creation, datasheet design, inviting participants, collecting data, to eventual download and analysis of data! The app makes it easy for you to create your own project or find a project to join, with excellent offline support for collecting data in the field.
Screenshots
Verdict
The clearest difference is rating: Anecdata.org at 5.0 against Zooniverse's 3.7. Anecdata.org also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.1). Zooniverse's advantage is ratings volume (37 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Anecdata.org holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Zooniverse has 37 ratings behind it against 4, so its average is the more settled of the two.
Zooniverse ships an update every 2 months, Anecdata.org every 3 weeks. The most recent releases landed on September 14, 2026 and July 25, 2026 respectively.
| Parameter | Zooniverse | Anecdata.org |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (37 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 58.8% of reviews | — |
| Number of ratings | 37 — better | 4 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Zooniverse | MDI Biological Laboratory |
Customer experience
Zooniverse
Anecdata.org
In-app purchases
Zooniverse
No in-app purchases
Anecdata.org
No in-app purchases
Questions
Is Zooniverse free?
Is Anecdata.org free?
Which has better reviews, Zooniverse or Anecdata.org?
Do Zooniverse or Anecdata.org have ads?
Which is updated more often, Zooniverse or Anecdata.org?
Other comparisons
