There are a few applications that do that - but it is a patent minefield, courtesy of the biggest patent troll in history: https://www.forbes.com/sites/danielf

There are a few applications that do that - but it is a patent minefield, courtesy of the biggest patent troll in history: https://www.forbes.com/sites/danielfisher/2012/12/14/the-patent-troll-you-dont-read-about-in-bar-code-inventors-obituaries/ https://www.forbes.com/sites/danielfisher/2012/12/14/the-pat...