Mobile Cognitive Behavioral Therapy for Stroke

This study is testing a mobile app that delivers cognitive behavioral therapy (CBT) — a form of talk therapy that helps change negative thought patterns — to stroke survivors who are experiencing depression and/or anxiety. The app allows people to receive therapy on their phone from the comfort of home. **You may be eligible if...** - You are between 40 and 79 years old - You had a stroke at least 1 month ago - You are experiencing significant depression and/or anxiety - You have mild or no cognitive difficulties - You are able to use an iPhone - If you are already on antidepressant or anti-anxiety medication, your dose has been stable for at least 8 weeks **You may NOT be eligible if...** - You have moderate-to-severe cognitive difficulties - You are unable to use a smartphone or follow app-based instructions - Your depression or anxiety medication has recently changed Talk to your doctor to see if this trial is right for you.