Mobile Cognitive Behavioral Therapy for Stroke

Inclusion Criteria: * Age 40-79 * Presence of clinically-significant anxiety and/or depression (as determined by an eligibility evaluation) * Stroke that occurred 1 month or more prior to study initiation * Capacity to provide consent * No greater than mild cognitive difficulties based on an eligibility evaluation conducted as part of the study * If taking medication for depression and/or anxiety, must be on a stable dose for a minimum of 8 weeks prior to study initiation * Ability to use iPhone or iPad independently * Home internet access * Willingness to participate in the full study duration. Exclusion Criteria: * Aphasia of moderate or greater severity (as determined during an eligibility evaluation) * Non-fluency in English * History of a bipolar or psychotic disorder * Current alcohol or substance use disorder * Active suicidal ideation * Current engagement in psychotherapy is not grounds for exclusion unless the individual's psychotherapy is primarily focused on CBT * Severe depression and/or anxiety based on the initial evaluation and clinical judgment of the study doctor, which warrants a higher level of care and/or immediate referral to psychiatric services * Any other clinical or medical reason in the study doctor's initial screening evaluation that suggests the study is not appropriate for the participant