What is mBC Companion?

Your personal digital companion for navigating metastatic breast cancer, providing education, symptom tracking, decision support, and community resources.

mBC Companion

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By creating an account, I confirm that I am 18 years of age or older. I understand that mBC Companion is not a healthcare provider, health plan, or HIPAA-covered entity, and that information I enter into the app may not be protected by HIPAA.

mBC Companion was created by patients, for patients. Information entered into the app is encrypted and is not visible to the mBC Companion team in a directly identifiable form. Your information remains your information and will be handled as described in our Privacy Policy.

I understand that mBC Companion is an educational and organizational support tool—not a substitute for professional medical advice, diagnosis, treatment, or emergency care.

Please read the full Privacy Policy and Terms of Use before agreeing.

What you'll find inside

Track your journey

Log symptoms, side effects, and how you're feeling day to day.

Organize your scans

Keep imaging results and questions for your oncologist in one place.

Learn with confidence

Access trusted, plain-language education and support resources.

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Before you begin — a quick note

✦ This app is for education and personal organization — it is not a medical record and does not replace your oncology team.
✦ Do not enter full names, phone numbers, addresses, or other identifying details in free-text fields.
✦ Personal health details you enter are stored only on this device. Clearing browser storage removes them.
✦ Analytics are collected in aggregate only — no patient health details are tracked.
✦ Always consult your oncology team about symptoms, treatment decisions, and urgent concerns.
✦ This program is supported by an independent educational grant. The supporter does not control the content and never receives your information.

View full privacy & data use notice