World’s first AI health expert for menstrual health
Powered by AI and backed by experts, Ona finds the trends your doctor might miss — giving you personalized insights to manage your menstrual health with clarity and control.
Lara Briden, ND
We built Ona to help you find real solutions—so you never have to hear that your symptoms like severe pain, irritability, or fatigue are “just part of being
a woman.”
Your cycle is your superpower, and we’re here to help you unlock it.
More than "just
a period tracker"
Ona helps you understand your unique patterns and provides personalized insights that doctors often miss.
Find your way back to health
Share your concerns, and Ona will guide you through a clinician-like assessment to understand your full health picture and uncover root causes. You'll get a personalized daily checklist with diet, supplements, lifestyle tips, and cycle tracking—all in one powerful app to support your return to health.
More data - better insights
Receive tailored insights into your hormonal health based on your assessment, daily logs, and other data points. Sync wearables for automatic tracking—or log information like body temperature yourself—to get a complete and personalized picture of your health.
Ona Listens. You Feel Understood.
Ask Ona anything—from why you're spotting to what a new facial hair might mean, or even help interpreting your blood test results. There are no limits to your questions, and Ona always has time for you—responding with answers tailored to your unique health picture.
Enable your biggest female superpower - your cycle
From fainting to hiking
“I spent years being told my pain was normal or psychosomatic. Using Ona helped me identify patterns that led to my endometriosis diagnosis. Having that validation changed my life.”
From pill to happiness
“I was prescribed the pill at 20 to manage period issues. Ten years later, when I wanted to get pregnant, I found Lara Briden’s books and realized how much the pill had masked, not healed. I knew I had to go all natural. Ona helped me prepare and navigate that transition—and now I’m no longer afraid of my cycles. They feel like my superpower.”
Perimenopause and PCOS
“I only recently learned about my PCOS, while also starting to experience perimenopause symptoms—it felt overwhelming. Ona helped me make sense of it all not only because of a daily checklist for supplements and diet but also because it could always answer my questions about symptoms and my cycle. Knowing these were backed by expert knowledge and tailored to me gave me confidence and clarity through a very confusing time.”
Ovulation is a vital sign of overall health
Ovulation suppression impacts metabolism, brain function, and long-term wellbeing. Don't suppress it - embrace it.
Get personalized insights based
on your unique patterns
Detect red flags in your health
Learn how to talk with your doctor about your issues
Get support - analyze lab test results, ask questions, predict ovulation and periods
Ona helps with different cycle conditions from painful periods or PMS
to PCOS and Perimenopause
Your privacy.
Our credibility.
Our proprietary AI is grounded in peer reviewed research, study cases and scientific materials.
Privacy first
We care about your privacy. We do not sell data to third parties.
Expert reviewed
We constantly test our product and adjust it to the latest scientific knowledge.
Our experts
Ona is constantly reviewed and improved with the work of our experts who have already impacted the field of female
menstrual health and continue to do so through new technologies.
Lara Briden, ND
Member of the scientific advisory council for the Centre for Menstrual Cycle and Ovulation Research at the University of British Columbia. Author of peer-reviewed papers on PCOS and bestselling books, including Period Repair Manual and Hormone Repair Manual, published by Pan Macmillan.
Widely acclaimed for her work in the field, she has influenced thousands of specialists worldwide.
Katarzyna Bednarska, MSc
Clinical Nutrition and Functional Medicine specialist with 10+ years of experience. Specializing in Hormone-related diagnosis and treatment.
She helped thousands of patients with their hormonal problems.
Still have questions?
Yes - in fact you can use Ona's period tracker entirely for free. Understanding your period is the key in your menstrual health.
Yes, all data is securely stored. You can always delete it entirely if you stop using our app.
Ona helps with all conditions related to menstrual and hormonal health. This includes: missing periods, irregular cycles, painful periods, PMS, PMDD, PCOS, Endometriosis, perimenopause, hormonal acne and more!
The more data you provide - the better outcomes you will have. So you can limit it to assessment conversations and follow ups once a month, or you can log in your symptoms every day. It all depends on you!
Ona is free to use in basic tier. Advanced features, such as talking with the AI and personalized insights cost $14.99/month or $149.99/anually
Download Ona and take control of your menstrual health
Join thousands of women using Ona to decode symptoms,
find clarity, and feel more in control.
