Adults (aged 18 years or older) who are either:

* Cancer patient/survivor receiving care or with plans to transition to care in the community setting.

* Caregiver of cancer patient/survivor receiving care or with plans to transition to care in the community setting.

* Clinician of cancer patient/survivor receiving care or with plans to transition to care in the community setting.

Cancer patient is a patient of Stanford Health Care.

Patient, Caregiver, and Clinician are willing to be connected on the app.

Have a smartphone and data plan that allows for app installation and usage.

Must speak, read and write in English, because all study materials and communication will be in English.

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