Smart-phone Application to Promote Medication Adherence in Adolescents and Young Adults (AYA) With Cancer

Inclusion criteria: 1)15-29 year olds receiving treatment for any type of cancer, either primary or recurrent/relapsed disease. 2\) Patient has completed at least one month of therapy 3)Patient is expected to remain on therapy for 3 month duration of study 4\) Patient has an iPhone, iPad, or iTouch running iOS 4.0 or later 5\) Patient is willing to use a smart-phone medication reminder application- Exclusion Criteria: 1)Patients who are unable to speak/read/write English as required for use of smart-phone medication reminder application and completion of study measures.