Leafsnap is described as 'Series of electronic field guides being developed by researchers from Columbia University, the University of Maryland, and the Smithsonian Institution. The free mobile apps use visual recognition software to help identify tree species from photographs of their' and is a plant identification app in the education & reference category. There are more than 10 alternatives to Leafsnap for a variety of platforms, including iPhone, iPad, Android, Android Tablet and Web-based apps. The best Leafsnap alternative is Pl@ntNet, which is free. Other great apps like Leafsnap are iNaturalist, Plant Parent, Flora Incognita and Garden Answers Plant Id.