14-day free trial · Cancel anytime

Know your body. Understand your cycle.

Selenia analyzes your symptoms, mood, and temperature — and Ask Selenia, your AI companion, answers your cycle questions in real time.

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Selenia app showing the cycle ring view with current phase, day count, and upcoming eventsSelenia app showing the cycle ring view with current phase, day count, and upcoming events
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Most cycle apps tell you when. Selenia tells you why.

You log your symptoms but never understand the pattern behind them.

Your calendar gives you dates, not insights about your health.

Your partner doesn't know what phase you're in or how to support you.

Everything you need to understand your cycle

Built for women who want real answers, not just reminders.

Ask Selenia AI

Your AI cycle companion. Ask anything about your phase, symptoms, or fertility — answers grounded in your real data.

Cycle Ring & Calendar

Switch between a calendar grid or an interactive ring view of your cycle day.

Personalized Insights

Top symptoms and moods per cycle, full cycle history, and pattern detection over time.

Partner Mode

Your partner receives weekly phase alerts and tips on how to support you.

Cycle Phases

Daily view showing your current phase, cycle day, and next period.

Basal Body Temperature

Detect ovulation automatically with biphasic shift analysis, coverline, and PDF export.

5 Languages

Spanish, English, Portuguese, Arabic, and Chinese — fully localized.

Full Privacy

Your health data is encrypted and never shared or sold. Ever.

Getting started is easy

Create your profile

A guided onboarding sets your goal (track, conceive, or support a partner), cycle length, and contraceptives.

Log every day

Symptoms, mood, temperature — in under 2 minutes.

Discover your patterns

See your cycle on a ring or calendar, get phase insights, and ask Selenia AI any question — anytime.

Women who already know their cycles

MS

Mabel Soto

Osorno, Chile

I've only been using it for a month and I already feel like I understand my body way better. The predictions are spot on.

PO

Pamela O.

Valparaíso, Chile

Partner mode changed everything. My partner now understands my cycle and knows exactly how to support me.

CT

Camila T.

Concepción, Chile

I detected a pattern in my migraines thanks to the temperature chart. I had never had that kind of clarity before.

Choose your plan

The full Selenia experience, for less than a coffee.

14-day free trial

Most popular
42% off

$27.99USD / year

$2.33 / month

  • Unlimited symptom, mood, period & BBT logging

  • Cycle Ring + Calendar views

  • Ovulation detection (biphasic) + PDF export

  • Ask Selenia AI — unlimited questions

  • Partner Mode with phase & period alerts

  • Full cycle history + data export (JSON / CSV)

Start 14-day free trial

Cancel before day 14 — you won't be charged.

Billed automatically after the 14-day trial unless you cancel before.

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Frequently asked questions

Your body speaks. Selenia helps you listen.

14-day free trial. Cancel before it ends and you won't be charged.

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