Clinical Research Directory

Inclusion Criteria: * Participant must be at least 18 years of age * Participant was previously diagnosed with stage 0-III cancer * Participant have had one or more of the cancers of interest (e.g., breast, lung) * Participant completed active cancer treatment at least three months prior to enrollment, with the exception of continued maintenance immunotherapy or endocrine therapy * Participant possess basic English communication capability * Participant do not participate in other health promotion programs * Participant is an Android or Apple smartphone owner * Participant is willing to participate in mHealth-delivered programs * Participant is willing to consent and be randomized * Participant has no contraindications to PA participation Exclusion Criteria: * Participant is currently undergoing chemotherapy or radiation as primary cancer treatment * Having any contraindications that might interfere with PA engagement, such as a medical condition and pacemaker implant * Plan to relocate or travel for \>two weeks during the study period; * Presence of distant metastasis * Planning or preparing for surgery as primary treatment or as a reconstruction procedure in the next 3 months * Have a stage 4 cancer diagnosis * Participant is already engaging in ≥75 min/week of vigorous-intensity PA, ≥150 min/week of moderate-intensity PA, or an equivalent combination of both over the last 3 months * An unstable mental condition that would prevent following study protocols * Reporting a Physical Activity Readiness Questionnaire (PAR-Q) score that indicates PA may be unsafe * Being a prisoner, pregnant, or planning to become pregnant