Visual Diagnosis
( great derm tool, differential builder, photos); free through CHOP (register with your chop email)
https://www.visualdx.com/
Agile MD
(compilation of other educational resources); free
(differential builder); free
https://itunes.apple.com/us/app/id930734530?ign-mpt=uo%3D8
CDC STD treatment guidelines
https://itunes.apple.com/us/app/std-tx-guide/id655206856?mt=8
Evernote
(organizational app for notes/articles)
https://evernote.com/
Mobile device apps:
Medcalc Pro
UFHealth PICU