iPromptU™ is a free application for Android that can serve as a Cognitive Behavior Therapy (CBT) homework tool.Core features:• Displays any question, or series of questions, and prompts the user for written or dictated answers• Saves responses so user can email them to therapist or researcher• User can initiate prompting immediately, as they would with a coping card or worksheet• Researchers and therapists can set prompting to occur at random time intervals, for truly random time sampling• All prompts are 100% customizable, and can be presented singly or in sequential or random order• Researcher or therapist can install a security password to prevent alteration by the user• Capable of virtually any non-branching Ecological Momentary Assessment research• Capable of recording any CBT Activity Schedule, Thought Record, or Worksheet in the real world• Clean, no-nonsense user interface