Perspectives OCD is only accessible through a research study at the Massachusetts General Hospital Department of Psychiatry. The research study is testing two different digital health programs for obsessive compulsive disorder. If you are eligible, you will be assigned (by chance, like the flip of a coin) to either this mobile application (app)-based cognitive behavioral therapy program or to a web-based health and well-being program. Participation in the research study involves: - 12 weeks of either an app-based cognitive behavioral therapy program OR a web-based health and well-being program - 5 clinical interviews over secure video conference - Up to $175 for completion of research study visits - Participation is 6 months, plus an additional 1-year follow-up visit You must be 18 or older, own a smartphone, and live in the United States to participate. You cannot make any medication changes or participate in any other therapy during your participation. You can show your interest and find more information on our website https://perspectivesocd.health/. CAUTION – Investigational Device. Limited by Federal (or United States) law to investigational use. Support contact We care about your privacy, so please read the following information. PATIENTS If you have any questions, concerns, or technical difficulties, please contact the person who provided you with the activation code for this app. HEALTHCARE PROFESSIONALS For support with any technical aspect of Perspectives OCD, please contact Support Services via email [email protected]. For privacy reasons, please do not share any patient personal data with us. Compatible OS versions Perspectives OCD is compatible with iOS version 12 or greater.