# Leave No Trace Citizen Science > Citizen science app for monitoring outdoor resource conditions and promoting responsible recreation. (iPhone/iPad app by Greg Newman.) - Source: https://appshunter.io/ios/app/leave-no-trace-citizen-science/id1536428995 (this page in markdown: same URL + `.md`) - Developer: [Greg Newman](https://appshunter.io/developer/1536428997) - Category: Education - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.0 · 33 MB - Languages: American English - Released: 2021-08-07 - Data updated: 2026-08-15 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/leave-no-trace-citizen-science/id1536428995/reviews.md ## What is Leave No Trace Citizen Science? The Leave No Trace Center for Outdoor Ethics protects the outdoors by teaching and inspiring people to enjoy it responsibly. The Center accomplishes this mission by delivering cutting edge education and research to millions of people every year. This app is the citizen science app for Leave No Trace and empowers volunteers to help monitor resource conditions over time. ## Key features - Citizen science data collection - Resource condition monitoring - Outdoor ethics education - Inspires responsible enjoyment - Volunteer empowerment ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/leave-no-trace-citizen-science/id1536428995/reviews.md ### 5/5 — Easy To Use *2021-08-15* I downloaded this app and selected the Buffalo NR to do observations. Very easy to use and simple instructions. Be sure to launch it and become a member of a project then keep it open BEFORE you enter an area without cell service. When you get back to service area you can then upload your observations that are saved. ## Frequently asked questions about Leave No Trace Citizen Science ### What is Leave No Trace Citizen Science used for? Leave No Trace Citizen Science is used to empower volunteers to help monitor resource conditions in outdoor areas over time. It supports the mission of protecting the outdoors by teaching and inspiring people to enjoy it responsibly. ### Is Leave No Trace Citizen Science free to use? Yes, Leave No Trace Citizen Science is available for free. It does not have any in-app purchases or advertisements. ### What devices does Leave No Trace Citizen Science support? Leave No Trace Citizen Science is supported on iPhone and iPod devices. It is designed for iOS users. ### How often is Leave No Trace Citizen Science updated? The latest version of Leave No Trace Citizen Science is 9.02.00, which was released on May 11, 2026. This indicates a recent update, suggesting ongoing development and support. ### What is the age rating for Leave No Trace Citizen Science? Leave No Trace Citizen Science has an age rating of 4+. This means it is suitable for children aged 4 and above. ### Who developed Leave No Trace Citizen Science? Leave No Trace Citizen Science was developed by Greg Newman. The app is associated with the Leave No Trace Center for Outdoor Ethics. ### What is the user sentiment for Leave No Trace Citizen Science? Based on the available data, Leave No Trace Citizen Science has a perfect rating of 5.0 stars from 1 rating. This suggests a highly positive user experience from its initial users. ### Does Leave No Trace Citizen Science offer certifications for its users? The provided description focuses on data collection and monitoring for citizen science purposes. It does not mention any specific certifications being offered through the app. ## Version history (last 5 releases) ### 10.00.01 — 2026-08-12 Update to be compatible with new iOS and Android operating systems. ### 9.02.00 — 2026-05-11 Added the capability to submit observation end time. ### 9.01.00 — 2026-04-06 automatic upload of observations via submit button. defect repairs for datasheets with organisms, improved login UI ### 9.00.00 — 2025-11-13 this release prevents the creation of duplicate locations ### 8.00.00 — 2025-10-27 All types of assigned locations are available, significant performance improvements, and offline access to locations ## Apps similar to Leave No Trace Citizen Science | App | Rating | Price | Category | | --- | --- | --- | --- | | [Lion Roaring](https://appshunter.io/ios/app/lion-roaring/id6744611368) | — | Free | Education | | [The Way Bible Study](https://appshunter.io/ios/app/the-way-bible-study/id6463439909) | 5.0 (2) | Free | Education | | [GBGEOApp](https://appshunter.io/ios/app/gbgeoapp/id1470749781) | — | Free | Education | | [CIQ: Cross-Cultural CR](https://appshunter.io/ios/app/ciq-cross-cultural-cr/id6499280345) | — | Free | Education | | [Nurdle Patrol](https://appshunter.io/ios/app/nurdle-patrol/id1564814528) | — | Free | Education | | [NativeCents](https://appshunter.io/ios/app/nativecents/id6739889612) | — | Free | Education | ## More apps by Greg Newman - [CitSci](https://appshunter.io/ios/app/citsci/id657196305) - [My Watershed](https://appshunter.io/ios/app/my-watershed/id1462336274) - [TLI Civic Science](https://appshunter.io/ios/app/tli-civic-science/id1584875100) All apps by Greg Newman: https://appshunter.io/developer/1536428997 ## Related topics [leave no trace citizen science](https://appshunter.io/ios/topics/leave-no-trace-citizen-science) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*