This Award-Winning Breast Exam App
Could Save Your Life.
We don’t collect your data and it’s FREE! No email address required.
NAMED THE BEST WOMEN’S BREAST HEALTH APP IN THE WORLD!
Period tracker, self-exam audioguide, monthly reminders, custom screening plan, mammogram support, and more! Available in English, Spanish, French, German, and Dutch.
Why the Know Your Lemons app is so essential for breast health:
TOP 5 HEALTH +
FITNESS APP
4.8 STARS
The Know Your Lemons app is the first app designed to improve early detection for breast cancer—with a twist of lemon.
Learn how to self-exam, identify the 12 symptoms of breast cancer, track your period, learn about risk factors, and get a custom screening plan to make knowing when to get a mammogram crystal clear.
1 in 8 women will develop breast cancer.
EARLY DETECTION WILL SAVE THEIR LIVES.
Odds of survival with early detection:
99% of women with breast cancer survive if diagnosed at the earliest stage.
Odds of survival with late detection:
Only 3 in 10 women survive breast cancer when diagnosed at the most advanced stage.
Download the app that could save your life
OR THE LIFE OF SOMEONE YOU LOVE.
4.8 STARS
Lifesaving App Reviews
TRUE STORIES OF EARLY DETECTION
“This app takes the fear and unknown out of identifying signs and symptoms of breast cancer.”
—KATIE W.
“My self-exams improved greatly after discovering @KnowYourLemons. The techniques I learned helped me discover breast cancer at its earliest stage!”
—CINDY P.
Perform Self-Exams
Easily, Correctly,
& Regularly
There’s more to know than just “feeling for a lump” and we can teach you!
Period tracking
made effortless
Perform your exams at the right time of month. No period? Choose a day and we’ll send you monthly reminders.
Learn how risk
factors and screening
plans are connected
Take our screening guide quiz and learn how to have better conversations with your doctor.
Schedule a
Mammogram in Minutes
(for USA users only)
FAQs
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You can know that your health data is secure and protected simply because, we do not collect your data! We believe that health data is personal and private and should not be collected and sold to advertisers or funders. We are proud to say that we do not collect any personal info from our users. To learn more about our health privacy values click here.
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Our app is free and available to everyone. We are able to keep the app running thanks to donations provided by our generous users and partners. Please consider supporting our life-saving app by making a donation today!
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That's fine! But our app is more than a period tracking app. If you have a menstrual cycle the period tracker is there for you to know when to do your self-exam as well (3 days after your period). We'd also like for you to be aware that it's possible the period tracking app you are using is collecting and selling your personal health data, and our app will not do that. To learn more about period apps collecting your personal health data click here.
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Nope! You can opt into our monthly newsletters by entering in your email when you first download the app, but it is optional and does not cost any money.
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We don't collect any personal info from our users. We believe that health data is personal and private and should not be collected and sold to advertisers or funders. We are proud to say that we do not collect any personal info from our users. To learn more about our health privacy values click here.
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We hope to provide the best experience for our users and want to be sure our app is running smoothly for you. If you are experiencing a problem with our app please reach out to hello@knowyourlemons.org with a detailed description and screen shot of the issues you are experiencing.
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On the home screen (period dial screen) on the app you will notice a little gear in a circle to the bottom left of the period dial. Click the gear and you are now able to edit the length of your period by pressing the "+" and "-" symbols above the pink section to add and subtract days from your period. You can also edit which day you are on in your cycle by moving the lemon around the circle. You can edit your cycle's length at the bottom of the screen. Lastly, if you don't have a period you can toggle the option below "period" to the bottom right of the cycle to take out the period option on the app. The app will then remind you on the first of each month when to do your self-exam rather than 3 days after your period.
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Be sure notifications are turned on on the Know Your Lemons app. You can be sure of this by clicking on the little bell in a circle at the bottom left of the home screen. Schedule which day you would like your reminders to be sent to you by simply moving the toggle to the right.
Be sure that notifications are enabled on your phone for the Know Your Lemons app. To be sure app notifications are enabled on an Apple device click here. To be sure app notifications are enabled on an Android click here. To be sure app notifications are enabled on a Google Pixel phone click here.
Tried all these options? Email us at hello@knowyourlemons.org and we will assist you further.
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No. An official risk assessment should be performed by your doctor. This app is a tool to help you understand different risk factors, and creates a list of risk factors to discuss with your doctor as part of determining a screening plan. Everything with the app is meant to help you better communicate with your doctor and to provide education to support those conversations. It is not to replace those important conversations.
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The information you enter on the app, stays on your phone. When you delete the app, your information will be deleted with it. There are no “accounts” to delete, as your personal information isn’t stored anywhere else but your phone.