Smart predictions
Period, ovulation and phase forecasts that learn your rhythm, so there are fewer surprises.
Your cycle, your rulesNever sold, everLuna is listeningCare for every phasePrivate by default
Gentle, smart, and made for you
Four ways Periodiva turns tracking into real, daily support.
Daily phase care
Movement, food and calm, tuned to where you are in your cycle. Small rituals that actually fit your day.
Supporter sharing
Invite a partner or friend to see only what you decide to share. Support, with your boundaries intact.
Track in seconds
Log your period, mood and symptoms with a tap, or just let Periodiva predict.
“Hey night owl, I'm Luna.”
Luna turns your data into warmth. Ask about cramps, cravings, mood or movement, and get gentle, personal guidance, never cold, clinical or judgy.
- Phase-aware advice in plain language
- Nourishment, comfort & movement ideas
- Always kind, always private
Four phases. Four moods.
Your energy moves with your cycle. Periodiva's daily care moves with it.
Rest
Rest & Be Gentle
Menstrual
Quiet · Slow · Soft
Rise
Rise & Explore
Follicular
Curious · Active · Fresh
Shine
Shine & Connect
Ovulation
Open · Social · Warm
Slow
Slow Down & Nurture
Luteal
Cozy · Grounded · Muted
Your data. Your cycle. Your rules.
Your cycle is some of the most sensitive data there is. Periodiva treats it that way: encrypted, never sold, and shared only when you say so.
Encrypted & protected
Your logs are secured, not mined for ads.
Never sold, ever
No ad networks, no data brokers. That's a promise.
You control every share
Supporters see only what you turn on, nothing more.
Delete anytime
Your account and data are yours to erase on demand.
From the Journal
All articlesWhy is my period late? Common reasons, and when to see a doctor
A late period isn't always pregnancy. Stress, weight changes, exercise, contraception and conditions like PCOS can all shift your cycle. Here's what to check, and when to get help.
Cycle basics · 5 min read
How long is a normal menstrual cycle? What's regular, and what isn't
A normal cycle is anywhere from 21 to 35 days, and only a minority are exactly 28. Here's how to count yours, how much it can vary, and when irregular is worth a check.
Cycle basics · 4 min read
Ovulation: signs, timing and your fertile window
Ovulation is when an egg is released, usually 12 to 14 days before your next period. Here's how to spot it, how long you're fertile, and what's normal.
Cycle phases · 3 min read
Encrypted & privateNo ads, never soldSynced across devicesDelete anytimeShare only what you choose
Be first to meet Periodiva
Join the waitlist for early access. We'll let you know the moment it's ready. No spam, just the launch.
- Coming soonApp Store
- Coming soonGoogle Play