250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our citizen scientist 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 | 5.0★ (1) | No | No | Aug 2026 | |
| 2 |  | Free | 4.6★ (4.7K) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (4) | No | No | Jul 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | 5.0★ (7) | No | No | Jul 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | Yes | No | May 2026 | |
| 8 |  | Free | — | No | No | Jul 2026 |
This app uses ecological momentary assessment to track how your environment impacts your mental wellbeing. It prompts you with questions, allows for photos and audio recordings, and provides personalized reports. Your anonymous data helps researchers understand environmental influences on mental health.
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.
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.
