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.

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
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.”
Pamela O.
Valparaíso, Chile
“Partner mode changed everything. My partner now understands my cycle and knows exactly how to support me.”
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
$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)
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.
