The Skinapp is a tool to help identify common, NTD- and HIV-related skin diseases with which patients present at the peripheral health level. It can be used as a diagnostic tool and as a source of information on signs and symptoms and the therapy of common skin diseases. For assistance in making a diagnosis, click either on the ’Signs & symptoms’ button or on the ‘Locations’ button on the homepage. To get more information on diagnosis and treatment, click on the ‘Diagnoses’ button.