# Rissa Citizen Science

> Rissa Citizen Science (iPhone/iPad app by Rissa Citizen Science.)

- Source: https://appshunter.io/ios/app/rissa-citizen-science/id6744367129 (this page in markdown: same URL + `.md`)
- Developer: [Rissa Citizen Science](https://appshunter.io/developer/1807336593)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 57 MB
- Languages: English
- Released: 2025-07-08
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/rissa-citizen-science/id6744367129/reviews.md

## What is Rissa Citizen Science?

Rissa Citizen Science is a mobile platform designed to support citizen scientists and researchers in collecting valuable field data across multiple research initiatives. 

Join us in this growing platform for citizen science and help bridge the gap between scientific research and community participation!

For more information, please visit: www.rissa-cs.org


## Version history (last 4 releases)

### 1.2.3 — 2026-04-25

-some small bug fixes

### 1.2.1 — 2026-03-19

- added tap to count feature for the Urchin Density Challenge

- added first iteration of achievements

- smaller fixes and maintenance

### 1.2.0 — 2025-11-14

Added Urchin Density Challenge, UI overhaul and a few security improvements.

### 1.1.2 — 2025-07-08

No release notes.

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## Related topics

[rissa citizen science](https://appshunter.io/ios/topics/rissa-citizen-science)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-15.*