250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our citizen science list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Sep 2026 | |
| 2 |  | Free | 4.6★ (4.7K) | No | No | Oct 2026 | |
| 3 |  | Free | — | — | No | May 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | 4.1★ (684) | No | No | Oct 2026 | |
| 6 |  | Free | — | No | No | Jun 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
Contribute to real scientific research by easily entering data for various surveys. Participate in projects like snow depth measurement or storm assessment, with your submissions visible on a dedicated website. This platform facilitates public involvement in scientific discovery and data collection.
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.
