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Every body speaks. Lena listens.

Clinical-grade AI that learns your cycle, symptoms and history, with a real doctor one tap away.

Joined by 3,870 women, and counting.

Something’s off. Nobody can tell you what.

Two young women talking on sunlit stone steps outside an old building, one with curly hair and a denim jacket, hands resting on her knee, while her friend listens, chin in hand.

  • “I google my symptoms at 1am and end up more scared than before.”

    Ask Lena instead.

  • “My cycle feels random — symptoms arrive with no warning.”

    Every day, mapped to its phase.

  • “The next appointment is six weeks out.”

    Doctor Chat, without the waiting room.

The real app, on a real cycle.

Day 15 · Ovulatory

Ask Lena

Ask at 2 a.m. Lena answers from your history, and flags when a doctor should weigh in.

Day 15 · Ovulatory

Log your day

Sleep, energy, what hurts: a few taps. Next week, today will make sense.

Day 1 · Menstrual

Get your report

Your period starts, and Lena recaps the cycle you just had, in plain words.

Day 10 · Follicular

Know your baseline

FertiScore turns 40+ signals into one clinical score, and a plan.

Seven science-backed check-ups.

Backed by research, not a magazine quiz: each one ends in a report with what to do next.

Portrait of Prof. Arash Rafii
Reviewed by Lena’s medical teamLed by Prof. Arash Rafii, professor of obstetrics and gynecology
A young woman with dark curly hair sitting on the edge of an unmade bed in the morning light, looking out of a tall Paris window.47 questions

FertiScore

Cycle, history, biomarkers and lifestyle, turned into one clinical score.

  • Lena’s tipIron-rich lentil & beet bowlIron
  • Anti-inflammatory turmeric dahlAnti-inflammatory
  • Chilled rice salad with edamame, cucumber & sesameHydrating

Content that keeps up with your cycle.

Workouts, recipes, articles and videos, picked for you and your phase.

  • Workouts that ease off on low-energy days.
  • Recipes with Lena’s tip and a step-by-step cooking mode.
  • Articles and videos to save for later.

Available now

Need a doctor? Same chat.

Switch from Lena to Doctor Chat: a doctor who sees your cycle typically replies within 15 minutes.

Start Doctor Chat

Free trial · No card, no commitment

How Doctor Chat works
A woman walking past a deep teal shopfront in late sun, blurred by motion, a warm light leak at the edge of the frame.
Illustration of Doctor Chat: Lena suggests a doctor review, then the conversation switches to Doctor Chat.

My cramps have been worse for three cycles now.

A doctor review makes sense here

Your doctor

Thanks. Let’s look at your last three cycles together.

Only you and your doctor can read this.

Turns out, it wasn’t just you.

Two young women sitting cross-legged on a bed in lamplight, laughing at something on a phone.
“Week three always wrecked me and I thought that was just my personality. Lena named the luteal drop — now I plan around it.”
Camille, 29Lyon
“I asked Lena at 2am instead of googling myself into a panic. It answered from my own history, and it was in Arabic.”
Nour, 26Cairo

What you get

  • Ask anything. Unlimited.

    Like texting a friend who went to med school, with no caps.

  • A real doctor, not a forum

    Doctor Chat connects you to a doctor, right inside Lena.

  • Watch yourself change, weekly

    Cycle, stress, movement, nutrition: one living picture.

Your data isn’t our business. Keeping it safe is.

Here’s exactly what we do with data about your body.

  • Never sold

    Not to advertisers, insurers, employers or data brokers.

  • Never used to train outside AI

    Our AI providers are contractually barred from it.

  • Delete means delete

    Erased within 30 days, and from backups within 90.

Read the privacy policy

Fair questions.

Lena is on your phone in a minute.

Free to start. Ask Lena anything, or talk to a real doctor in the same app.