Ovulation Tracker
Track your period, predict your fertile window, and plan your fertility journey.
See the app → Cycle · Trying · Testing · Pregnancy · Labor · Home
Where are you right now?
One journey, seven stages. Pick yours and we will show the free tools, the one app that fits, and honest reading for that moment. No week-by-week noise, no advice dressed up as medicine.
The journey
Seven stages, one path
Stages are moments and decisions, never weeks.
01
I want to understand my cycle
Period and cycle basics: logging, cycle length, what a calendar can and cannot tell you.
Cycle → 02We are trying to conceive
Fertile window, OPK strips, BBT charting and working with PCOS.
Trying → 03I am in the two-week wait or reading a test
The two-week wait, faint lines, DPO and what a test strip is actually showing.
Waiting and testing → 04I just found out
First scans, gender guessing for fun, and hearing the heartbeat at home.
Early pregnancy → 05The pregnancy is well under way
Checklists, a bump journal, the due date countdown and planning ahead.
Growing → 06Contractions have started
Timing contractions, the 5-1-1 pattern, and the hospital bag.
Labor → 07Baby is here
Newborn basics for the first weeks at home.
Home with baby → Latest guides
New on the blog
Cited, calm, no medical advice. All guides
Waiting and testing
7 DPO: What a Pregnancy Test Can Show
A pregnancy test at 7 DPO almost always comes back negative. Find out why implantation timing explains this, and when testing starts to matter.
Waiting and testing
How Many DPO Can You Test? Pregnancy Test Timing Guide
Wondering how many DPO you can take a pregnancy test? This guide covers what implantation timing and test sensitivity data say about testing from 8 to 14 DPO.
Waiting and testing
The Two Week Wait: What Happens After Ovulation
Understand the two week wait (TWW) — implantation timing, hCG rise, and when a pregnancy test can reliably detect a result, based on Wilcox 1999.
Trying
Clearblue Ovulation Test: When to Start Testing
Find your Clearblue ovulation test start day by cycle length, learn what the flashing and static smiley mean, and get the right time-of-day tip for each test type.
Waiting and testing
Clearblue Weeks Indicator: What 1-2, 2-3 and 3+ Mean
The Clearblue weeks indicator shows weeks since conception, not gestational age. Here's what 1-2, 2-3 and 3+ mean, how the reading is derived, and its limits.
Waiting and testing
Clearblue Early Detection Pregnancy Test: How to Read It
How the Clearblue Early Detection test displays results, what two lines mean, accuracy by day before a missed period, and what a faint second line shows.
Free tools
Calculators and timers that run in your browser
Nothing is uploaded. Nothing is stored except what you keep on this device.
Ovulation calculator
Estimate your fertile window from your last period and cycle length.
Due date calculator
Estimated due date from your last period, conception date or IVF transfer.
Online contraction timer
Tap start and stop. Duration, interval and hourly averages, saved in your browser.
Chinese gender chart
The traditional lunar-age chart, for fun only.
Period calculator
Your next six periods from your last one, plus how late a period is today.
When to test calculator
From your ovulation date: implantation window, earliest test day and the best day to test.
IVF due date calculator
Due date from your embryo transfer or egg retrieval date, following ACOG's method.
Reverse due date calculator
From a due date back to the estimated conception date and the first day of the last period.
The apps
Five apps, one per moment
Each one does a single job well and keeps your data on your device.
Period, Cycle & Fertility App
Positive Negative, Faint Line
Pregnancy Test Checker
An AI-powered scanner reads your test photo and gives a clear analysis with a confidence score.
See the app →
Gender Reveal, Ultrasound Scan
Nubbi
Turns any ultrasound photo into a boy-or-girl prediction with a confidence score. For fun.
See the app →
Hear & Track Baby Sounds
Boomba
A calm bonding moment: listen, record and replay with your phone. Keepsakes only, not a medical device.
See the app →
Labor Counter & Monitor
Labor Companion
Tap when a contraction begins and ends. Duration, interval and the 5-1-1 pattern, tracked automatically.
See the app →
Our promise
Honest, calm, and never a substitute for your provider
- No medical advice. We describe how things work and cite our sources. We never tell you what a symptom means.
- No feature we do not have. Every claim about an app comes straight from its store listing.
- Written with AI assistance, reviewed by parents who have been through it. See about.