Move Together Boston Feasibility Pilot (Sit Less, Move More App for Black Breast Cancer Survivors & At-Risk Relatives)

Inclusion Criteria:

* 1a) Key informants (for interviews)

  * Members of the community/advisory groups, community health centers, or faith-based network members (e.g., Pink and Black, Faces of Faith).
  * English speaking adults.
* (1b) Breast cancer survivors and relatives (for interviews)

  * Self-identify as Black or African American
  * Age 18 and over
  * English speaking
  * Female breast cancer survivor status post curative antineoplastic treatment (except ongoing hormonal treatment) with no evidence of disease, OR a first degree blood relative (parent, child, or full sibling), of any gender, of a so defined breast cancer survivor
  * Self-report ever using a smart phone
* (2) Breast cancer survivors and relatives (for user testing/interviews)

  * Self-identify as Black or African American
  * Age 18 and over
  * English speaking
  * Female breast cancer survivor status post curative antineoplastic treatment (except ongoing hormonal treatment) with no evidence of disease, OR a first degree blood relative (parent, child, or full sibling), of any gender, of a so defined breast cancer survivor
  * Self-report willing/able to download the app for testing on a smart phone
  * Self-report willing/able to meet via Zoom for interview
* (3) Breast cancer survivors and relatives/"buddies" (for pilot testing)

  * Self-identify as Black or African American
  * Age 18 and over
  * English speaking
  * Breast cancer survivor status post curative antineoplastic treatment (except ongoing hormonal treatment) with no evidence of disease, OR a blood relative, of any gender, of a so defined breast cancer survivor
  * Self-report willing/able to participate with a blood relative in survivor relative dyad
  * Self-report willing/able to download the app for use on a smart phone
  * Self-report willing/able to meet via Zoom for instructions and interview

Exclusion Criteria:

* (1a) Key informants (for interviews)

  --None
* (1b) Breast cancer survivors and relatives (for interviews)

  * Requires medically supervised physical activity (Physical Activity Readiness Question for Everyone, PAR-Q+, Question 7)
  * Pregnant women
* (2) Breast cancer survivors and relatives (for user testing/interviews)

  * Requires medically supervised physical activity (Physical Activity Readiness Question for Everyone, PAR-Q+, Question 7)
  * Pregnant women
* (3) Breast cancer survivors and relatives/"buddies" (for pilot testing)

  * Meets exclusion criterion of the Modified Physical Activity Readiness Questionnaire (PAR-Q) (modified)
  * Participated in interviews or user testing in prior phases of the study