Download the Know Your Lemons app!

(It’s saved many lives from breast cancer, but it only works if it’s on your phone.)

Smartphone screen displaying information about 12 symptoms related to breast cancer, with one symptom 'hard lump' highlighted and an illustration of a lemon, indicating the symptom.
Screenshots of a mobile health app featuring sections on symptoms, breast cycle tracking, self-exam, screening plan, and mammogram scheduling.

App features:

  • self-exam audio guides with monthly reminders timed to your body

  • custom screening plan based on your risk factors

  • how to identify and report symptoms to your doctor

  • prepare for mammograms, ultrasounds, breast MRI and biopsy

  • book a mammogram through the app (USA only)

  • learn about risk of recurrence

Available in English, Spanish, French, German, Dutch, Portuguese, and Mandarin—for all genders.

Wondering how else you can help?

Share an image on social media and save a friend’s life!

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Wear a T-shirt to get the word out!

Get trained and teach about breast health in your community!

Take Know Your Lemons to Work!

Tell your company about our workplace education program so they can book a demo!