201+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our citizen science list covers 201+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | 4.6★ (4.7K) | No | No | Aug 2026 |
| 3 |  | Free | 4.8★ (31K) | No | No | Aug 2026 |
| 4 |  | Free | 5.0★ (4) | No | No | Jul 2026 |
| 5 |  | Free | 3.7★ (36) | No | No | Jul 2026 |
| 6 |  | Free | 4.8★ (15K) | Yes | No | Aug 2026 |
| 7 |  | Free | 5.0★ (7) | No | No | Jul 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.
Identify plants, animals, and fungi using your phone's camera. Learn about the organisms around you and earn badges for your discoveries. It's a fun, kid-safe way to explore nature and expand your knowledge of the living 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.
Participate in real scientific research by classifying data for projects across various disciplines. Contribute to discoveries and datasets that advance knowledge, all from your mobile device. This platform connects volunteers with professional researchers for impactful citizen science.
Access over 150 million scientific publications and connect with millions of researchers worldwide. Stay updated on new research in your field, track your academic stats, and download full-text articles for offline reading.
Become a citizen scientist for the South Carolina Aquarium. Record wildlife observations, view community reports, and contribute to environmental protection efforts. This platform is powered by Anecdata.org, a free citizen science resource.
Identify plants, animals, and fungi using your camera or imported photos. Get AI-powered species suggestions and connect with a global community of nature enthusiasts to learn more about the natural world and contribute to scientific conservation efforts.
Access expert insights on groundbreaking science and technology advances. Stay informed with news, commentary, and in-depth features from leading scientists. Explore the modern world through a trusted lens.
Engage in short, enjoyable mini-games designed by scientists to contribute to real psychological and neuroscience research. Your gameplay and anonymous survey responses help study well-being, anxiety, and depression.
Instantly identify over 600,000 plant species, including flowers, trees, and mushrooms, with just a photo. Get detailed care advice and connect with a global community of plant lovers to share discoveries and gardening tips.
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.
Empower volunteers to monitor outdoor resource conditions over time. This citizen science application supports the mission of protecting natural spaces through responsible enjoyment and education.
Identify trees using AI or manual input, calculate their environmental benefits, and share your findings on an interactive map. This free app is designed for users of all ages and skill levels across the USA and Canada.
Stay informed about local happenings with community-driven alerts and event listings. Customize notification preferences via push, text, or email. Access real-time updates from your municipality or county.