Wondering if your newborn’s getting enough to eat? Sleeping enough? Growing and hitting milestones fast enough? Make the most of every amazing moment of your little one’s first 12 months with the free Baby Tracker app. Baby Tracker is your mobile partner in parenting. Stay on top of your baby’s development and pick up pointers on baby care and behavior with this app from Heidi Murkoff’s best-selling parenting guide, What to Expect the First Year.

At home or on-the-go, you’ll find everything you need to know to help you make the most of your baby’s first year — right at your fingertips. Download the free Baby Tracker today so you can start feeling like a pro in all things baby. And join Heidi and a whole community of other new moms and dads — and their babies— at WhatToExpect.com.