210+ iOS apps & games curated and reviewed
Finding the right leave no trace citizen science apps and games can be overwhelming with so many options. We've analyzed 210+ apps and games 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 | May 2026 |
| 2 |  | Free | 4.7★ (25K) | No | No | Aug 2026 |
| 3 |  | Free | 4.6★ (4.7K) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (31K) | No | No | Aug 2026 |
| 5 |  | Free | 4.0★ (591) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (367K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (61K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (7K) | No | No | Aug 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.
Easily manage your Citizen watch ownership. Identify your timepiece using tag scan, watch scan, or manual entry. Access setting instructions, activate your warranty, and store proof of purchase all within the app.
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.
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.
Track all your activities, from runs to yoga, and share your progress with friends. Discover new routes, get AI-powered insights, and join challenges. Stay motivated and safe with real-time location sharing.
Instantly identify bird species using your phone's camera or microphone, or through a smart feeder. Collect digital postcards, learn fascinating facts, and contribute to conservation efforts with this global birdwatching community app.
Identify plants by taking photos with your smartphone. Contribute to a global citizen science project to understand and preserve plant biodiversity. Recognizes thousands of wild and cultivated species.
Scan product barcodes to instantly assess their health impact. Receive detailed analysis, ratings, and recommendations for healthier alternatives. This independent project offers objective reviews for millions of food and cosmetic items.
Manage your cellular trail cameras remotely, receiving photos and videos directly to your device. Activate new cameras, monitor status, and sort images with AI technology. Offers various transmission plans and an optional Insiders Club for enhanced benefits.
This platform enables organizations and schools to create interactive, real-world experiences inspired by scavenger hunts. Engage communities with challenges using GPS, text, photo, and video missions. It's designed for team building, education, and community activation.
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.
Discover properties with hail, wind, and tornado damage to identify sales leads for restoration services. Get notified of customer impacts, canvass effectively, and track potential clients to nurture them into sales.
Access real-time and forecasted air quality data for over 500,000 locations worldwide. Understand pollutant levels, receive health recommendations, and track wildfire and pollen information to plan your day safely.
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.
Engage young learners with interactive science lessons and experiments. Developed by educators, this app covers over 100 science topics for children aged 4-10, featuring real instructors and a curriculum aligned with science standards.
Access a vast library of award-winning documentaries and non-fiction content covering science, nature, history, and biographies. Enjoy ad-free streaming and offline viewing for all ages, including a dedicated kids' section.
Access real-time, street-by-street air pollution maps and 72-hour forecasts globally. Get hyper-local data for key pollutants and personalized tips to help you breathe cleaner air and reduce exposure.
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.
Explore a beautiful Mediterranean island, discover wildlife, and help save it from pollution. Join Alba and her friends to form an organization dedicated to environmental conservation and gather volunteers to make a positive impact on the island's future.