App seems to be using Landsat data. There should be no restrictions on its use. https://www.usgs.gov/faqs/are-there-any-restrictions-use-or-redistribution-land

App seems to be using Landsat data. There should be no restrictions on its use. https://www.usgs.gov/faqs/are-there-any-restrictions-use-or-redistribution-landsat-data?qt-news_science_products=0#qt-news_science_products https://www.usgs.gov/faqs/are-there-any-restrictions-use-or-...