ADHDFamilies and CanLearn Society have put together a List of Assistive Technology applications for Tablets and Mobile devices. This PDF can be downloaded.
ADHD Treatment Monitoring
ADHD Tracker 1.0
By American Academy of Pediatrics
Using the Vanderbilt Scales published by the American Academy of Pediatrics, ADHD Tracker makes completing and submitting a behavioral assessment easier for parents and teachers of children ages 4 through 18 years who have already been diagnosed and treated for ADHD.