For girls 7 to first period · by Conceivable

Her first
introduction
to her body's
power.

First Period turns getting your first period from something feared and hidden into something she prepares for, understands, and owns — with a warm AI care team that grows up alongside her.

Download on the App Store
Private · made just for her
Kai
Hi! I'm Kai 👋
I'm here to help you with everything you need to get ready for your first period.
First Period
Why this matters

Girls are starting younger than education reaches them.

48%
of U.S. women felt unprepared for their first period
YouGov, 2023
~12
average age of a first period now — generally fifth grade
CVS Health, 2023
15.5%
of girls now start before age 11 — up from 8.6% a generation ago
Harvard, 71,000+ women
21%
of U.S. elementary schools teach puberty in a required class
CDC
33%
of pediatricians don’t discuss periods with menstruating patients
AAP, 2020
8 in 10
teens learned more about frog biology than the female body
Thinx / PERIOD, 2023
40%+
of women were ‘scared’ the first time it happened
OnePoll / DivaCup
1 in 4
teens have struggled to afford period products
State of the Period, 2021
An AI care team that ages with her

Meet her people.

Olive
Olive
Food friend

I’ll help you learn the best foods for your body — and make it delish.

Kai
Kai
Period-prep guide & bestie

I’m here to help you get ready for your first period — and I’m your age!

Seren
Seren
Here for your heart

I’m here to help your heart. Tell me anything.

A mom and daughter sharing the app
The moment that matters most

The conversation
every girl
deserves.

When is my period coming? Why am I the last one? I'm too embarrassed to ask my mom. These are the questions that broke our hearts — and built this app.

First Period meets her at the exact moment those worries form, and answers them with warmth, science, and zero shame — right alongside the grown-ups who love her.

First Period Predictor
What's inside

Everything she wishes
she could ask.

The First Period Predictor

Reads her body’s signals to show a gentle window — never a scary date. The patent-protected feature no one else has.

Talk to her team, anytime

Kai, Olive & Seren answer the questions she’s too shy to ask — by text or just by talking.

Watch real creators

A safe, TikTok-style feed of verified creators and guests — honest period talk, zero shame, no comments.

Decode her amazing body

Every change of puberty explained like a superpower unlocking — celebratory, never clinical.

Coming soon
Watch · verified creators

Real people. Real talk.

A safe, TikTok-style feed where women at every life stage share honest period advice — no comments, no contact, every clip reviewed.

Creator
Verified
@maya.periods Age 16

“The day I got my period at school”

Creator
Verified
@dr.sarah OB-GYN

“What I wish every girl knew before her first period”

Creator
Verified
@realmom.life Mom of 3

“How I talked to my daughter about periods”

"Your period is a reflection of how your body likes the way you feed it, water it, rest it, calm it & move it."
Kirsten Karchmer · Founder, Conceivable
For grown-ups

Safe enough
to trust her to.

Built by a board-certified reproductive-medicine expert with 20 years of clinical experience. If we can't make it safe, we don't build it.

Private by default

No public profiles, no photo sharing, no kid comments — anywhere.

COPPA-compliant

Verified parental consent before any data. You control what’s collected.

No ads, no selling data

Her information is hers. Delete it anytime, in two taps.

Safety built in

Gentle crisis detection that bridges to real help, never replaces it.

Start her journey.

A few minutes to set up with a grown-up. A lifetime of knowing her body.

Download on the App Store