In 2009, the authors implemented a prototype mobile BMM (behavioral migraine management) app for iPhone to help adolescent migraine patients manage their migraines and communicate with their counselors (Liu et al., 2010). In 2010, when Apple launched the iPad, the authors decided to take advantage of the larger screen offered by iPad and develop an iPad version of this BMM app. During this project, the status of m-health applications and the related literature were reviewed, including: (1) network or network security for m-health apps