End-to-End Encrypted
Your symptom logs, cycle data, and emotional entries are encrypted in transit and at rest.
Beta14-day free trial + 1 extra month free.You know it's coming.Now you'll know exactly when.
You know it's coming.Now you'll know exactly when.
Lyra is the first AI-powered PMDD app that maps your Hell Week windows three months in advance so you stop being blindsided and start being prepared.
Join the Beta — It's Free
A smarter way to live withPMDD
Hell Week Predictor
See your worst days up to three months in advance with color-coded severity windows.
Daily Check-In
Log mood, symptoms, and physical state in under 60 seconds, even on hard days.
90-Day Forecast Calendar
Understand your next three cycles and plan around predicted high-risk windows.
Phase-Timed CBT Exercises
Science-backed micro-exercises delivered exactly when your luteal phase symptoms intensify.
Doctor Report Generator
Generate a doctor-ready PDF in seconds with symptom trends and phase-by-phase analysis.
Partner Notification System
Send calm, privacy-controlled heads-up messages to your support person during luteal phase.
YOU ARE NOT ALONE
Most women with PMDD spend years being told it is just stress.
PMDD is biologically driven and cyclically predictable. Lyra helps you plan ahead so you can stop apologizing for symptoms you cannot control.
See How Lyra Works
HOW LYRA WORKS
Four steps from confusion to clarity.
Log daily symptoms, get an AI-powered 90-day forecast, and receive phase-timed support tools before your Hell Week hits.
Join the Beta and Vote
Never Sold. Never Shared.
Lyra earns from subscriptions, not from selling your health data to advertisers or third parties.
You Own Your Data
Export or delete your data any time. It is your information, always under your control.
They were blindsided every month. Then they found Lyra.
Questions we get asked.
Answered withoutthe runaround 
Premenstrual Dysphoric Disorder is a DSM-5 classified depressive disorder that affects 3 to 8 percent of women of reproductive age. Unlike PMS, PMDD causes severe mood disruption and is biologically driven and cyclically predictable.
No. If you suspect PMDD and your worst days follow a monthly pattern, Lyra is built for you too. It can also help document symptoms for a future diagnostic conversation with your doctor.
After two cycles of data, Lyra projects your next luteal phase onset, peak severity window, and recovery date. Predictions improve with each cycle and appear as color-coded blocks in your 90-day calendar.
A clinician-ready PDF with symptom severity timeline, cycle history, phase-by-phase breakdown, and recurring symptom summary. It generates in seconds and can be exported directly.
Lyra is built from the ground up for PMDD with AI prediction, phase-timed CBT, doctor reports, and partner notifications in one product.
Yes. Your data is encrypted end-to-end, never sold, and never shared without explicit consent. You can export or permanently delete it any time.