We're Olivia, the world's #1 cycle intelligence app
Over 48 million people around the world use Olivia to track their periods, ovulation, and pregnancy — and to finally understand their bodies.
What can you do with Olivia?
Track your cycle and symptoms
Figure out what's normal for you. Spot patterns in your symptoms and know when your period is likely to start, so you're always prepared.
Predict your period and fertile window
Clear, personal forecasts that get sharper the more you log — no surprises, whether you're avoiding or trying.
Understand what your body is telling you
Daily insights connect your mood, energy, and symptoms to your cycle phase, so the 'why' finally makes sense.
Ask Olivia anything
Your private AI companion answers questions about your cycle, your symptoms, and what's normal — in plain language, anytime.
Track your cycle and symptoms
Figure out what's normal for you. Spot patterns in your symptoms and know when your period is likely to start, so you're always prepared.
Predict your period and fertile window
Clear, personal forecasts that get sharper the more you log — no surprises, whether you're avoiding or trying.
Understand what your body is telling you
Daily insights connect your mood, energy, and symptoms to your cycle phase, so the 'why' finally makes sense.
Ask Olivia anything
Your private AI companion answers questions about your cycle, your symptoms, and what's normal — in plain language, anytime.
Everything you need to understand your body
Your cycle, symptoms, and goals — together in one calm, private place.
Predict your period
Get a clear heads-up before your next period, so nothing catches you by surprise.
Decode your symptoms
Log how you feel and see the patterns behind your cramps, mood, energy, and skin.
Know your fertile window
Whether you're trying to conceive or just curious, understand your body's rhythm.
Private by design
Your data is yours. We keep it secure and never sell your personal information.
How it works
From first question to personalized plan in minutes.
Answer a few questions
A quick 2-minute quiz about your cycle, body, and goals.
Get your personalized plan
We turn your answers into insights tailored to you.
Track and learn
Log your cycle and watch Olivia's predictions get sharper.
What our community says
"ok i was skeptical but it predicted my period TO THE DAY three months straight?? obsessed"
"turns out my migraines hit 2 days before my period every single time. wish the reminders were a bit more customizable tho"
"TTC for 8 months, switched to olivia and the fertile window stuff finally made sense. baby due in march 🎉"
"it doesn't spam me or guilt trip me for skipping logs. does what it says. widget could be better"
"the quiz took me like 2 min and the plan was scary accurate lol. my cramps make sense now"
"deleted my old tracker after the data selling news. olivia keeps everything on device, that's the whole reason i'm here"
"ok i was skeptical but it predicted my period TO THE DAY three months straight?? obsessed"
"turns out my migraines hit 2 days before my period every single time. wish the reminders were a bit more customizable tho"
"TTC for 8 months, switched to olivia and the fertile window stuff finally made sense. baby due in march 🎉"
"it doesn't spam me or guilt trip me for skipping logs. does what it says. widget could be better"
"the quiz took me like 2 min and the plan was scary accurate lol. my cramps make sense now"
"deleted my old tracker after the data selling news. olivia keeps everything on device, that's the whole reason i'm here"
Ready to understand your cycle?
Take the free 2-minute quiz and get a plan built around you.
Start my quiz →