Identify aquatic macroinvertebrates to assess stream health. This educational tool uses visual keys and automatically generates reports based on your findings, allowing you to map your stream's condition.






250+ iOS apps curated and reviewed
Whether you're new to creek critters or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.8★ (25) | No | No | May 2026 | ||
| 2 | Free | 4.6★ (4.7K) | No | No | Sep 2026 | ||
| 3 | Free | — | No | No | Sep 2026 | ||
| 4 | Free | 4.1★ (757) | Yes | No | Sep 2026 | ||
| 5 | Free | 4.8★ (31K) | No | No | Sep 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 4.1★ (664) | No | No | Sep 2026 | ||
| 8 | Free | — | No | No | May 2026 |






Identify aquatic macroinvertebrates to assess stream health. This educational tool uses visual keys and automatically generates reports based on your findings, allowing you to map your stream's condition.


Record and identify species encounters with a simple interface. Contribute to scientific research and learn about biodiversity. Connect with other nature enthusiasts and explore the natural world.



Identify freshwater invertebrates found in Australian waterways. Assess the health of rivers, creeks, and wetlands by observing these creatures. Contribute your findings to a national citizen science program.