# CitSci vs Anecdata.org

The clearest difference is rating: Anecdata.org at 5.0 against CitSci's 4.5. Anecdata.org also leads on iOS requirement (13.0 vs 15.0). 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.

Anecdata.org holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

CitSci ships an update every 6 weeks, Anecdata.org every 3 weeks. The most recent releases landed on September 10, 2026 and July 25, 2026 respectively.

## The numbers

| Metric | CitSci | Anecdata.org |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/citsci/id657196305/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/anecdataorg/id1315666791/reviews)** |
| Number of ratings | 2 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 47 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Newman](https://appshunter.io/developer/1536428997) | [MDI Biological Laboratory](https://appshunter.io/developer/1210127056) |

## What reviewers say

### CitSci

[App page](https://appshunter.io/ios/app/citsci/id657196305)

Empower your community with a tool for collecting and uploading scientific observations. This app facilitates citizen science projects, allowing users to contribute valuable data directly to a central platform.

**Highlights:** Data collection for citizen science, Upload observations to CitSci.org, Empowers community science projects, Syncs with web platform, Facilitates observation contribution

**Features:** macOS Compatibility

**In-app purchases:** none


### Anecdata.org

[App page](https://appshunter.io/ios/app/anecdataorg/id1315666791)

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.

**Highlights:** Project creation and management, Datasheet design, Participant invitation, Offline data collection, Data download and analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is CitSci free?

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

### Is Anecdata.org free?

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

### Which has better reviews, CitSci or Anecdata.org?

Anecdata.org is rated higher. CitSci averages 4.5 out of 5 from 2 ratings, while Anecdata.org averages 5.0 from 4 ratings.

### Do CitSci or Anecdata.org have ads?

Neither CitSci nor Anecdata.org shows ads.

### Which is updated more often, CitSci or Anecdata.org?

CitSci ships an update every 6 weeks, and Anecdata.org every 3 weeks. Most recently, CitSci was updated on September 10, 2026 and Anecdata.org on July 25, 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.*