247+ iOS apps curated and reviewed
Finding the right leave no trace citizen science apps can be overwhelming with so many options. We've analyzed 247+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 2 |  | Free | 4.0★ (639) | No | No | Sep 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | Aug 2026 |
| 5 |  | Free | 4.7★ (2.1M) | Yes | No | Sep 2026 |
| 6 |  | Free | 4.6★ (4.7K) | No | No | Sep 2026 |
| 7 |  | Free | 4.8★ (16) | No | No | Aug 2026 |
| 8 |  | Free | 5.0★ (7) | No | No | Jul 2026 |
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 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.
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.
Connect with your local community for real-time safety alerts, news, and recommendations. Discover events, find free items, and join groups based on your interests. Stay informed and engaged with what's happening in your neighborhood.
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.
Explore the world and discover hidden videos and stories tied to specific locations. Leave your own location-locked video memories for friends to find, fostering a unique way to connect and share adventures.
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.
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.
Stay informed about the latest scientific breakthroughs, research, and expert insights. Access curated news, videos, and podcasts from top sources in an efficient, user-friendly interface. Engage with a community of science enthusiasts and personalize your feed.
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.
This app transforms your smartphone into a receiver for tiny tracking devices attached to monarch butterflies. By crowdsourcing data, it helps scientists monitor butterfly migration patterns in unprecedented detail, aiding conservation efforts.
Empower yourself to create positive change daily. Engage in simple actions like signing petitions and taking quizzes to address global issues. Track your progress, earn rewards, and stay informed about critical world challenges.
Empower your community with a tool for collecting and uploading scientific observations. This app facilitates citizen science projects, allowing users to contribute valuable data directly to a central platform.
Become a citizen scientist by documenting and sharing your observations of the Gulf coast. Help identify species, contribute to research projects, and connect with a community dedicated to preserving biodiversity. Earn rewards for your participation.
Explore science at home with engaging videos and hands-on activities. Participate in citizen science projects or take virtual tours. This app brings the Center of Science and Industry's educational content to your family.
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.