"Plant Doctor" App Available Free-- includes free diagnosis!
The original "The Plant Doctor" app for Android devices and iPhone is available for free download.
Download it at iTunes: https://itunes.apple.com/app/the-plant-doctor/id349613537?mt=8
Download it at the Google store (Android): https://play.google.com/store/apps/details?id=ca.adelante.theplantdoctor
This popular app allows users to take photographs of sick plants anywhere in the world; enter descriptive text information about the problem; and request a free diagnosis of the problem and effective management recommendations. The diagnoses and recommendations are provided at no cost to users by e-mail from Dr. Scot Nelson at the University of Hawaii at Manoa.