CDC’s Milestone Tracker App

Download it free today on iOS and Android devices in English and Spanish!

Download on the App Store
google play Android

Milestones matter! Track your child’s milestones from age 2 months to 5 years with CDC’s easy-to-use illustrated checklists; get tips from CDC for encouraging your child’s development; and find out what to do if you are ever concerned about how your child is developing.

From birth to age 5, your child should reach milestones in how he or she plays, learns, speaks, acts, and moves. Photos and videos in this app illustrate each milestone and make tracking them for your child easy and fun!

What People Are Saying!

“I have downloaded the app for my family and recommend it to my patients. It is easy to use, has great videos, and appeals to all audiences which I appreciate.”
Elise Gentile, MS, APRN, CPNP, Advocate Children’s Hospital, Oak Lawn, IL

“I love the photos and videos on Milestone Tracker, it helps me to know exactly what milestones my son should be reaching.”
Jasmine B., mother of 1-year-old, Atlanta, GA


  • Add a Child add a photo and enter personalized information about your child or multiple children
  • Milestone Tracker – track your child’s developmental progress by looking for important milestones using an interactive, illustrated checklist
  • Checklists Adjust for Prematurity – uses corrected age for babies born prematurely
  • Milestone Photos and Videos – know what each milestone looks like so that you can better identify them in your own child
  • Tips and Activities – support your child’s development at every age
  • When to Act Early – know when it’s time to “act early” and talk with your child’s doctor about developmental concerns
  • Milestone Summary – get a summary of your child’s milestones to view, and share with or email to your child’s doctor and other important care providers
  • Well Visit Snapshot – keep track of information received during your child’s doctor visits with this helpful tool
  • Helpful Resources for Families – learn about local programs that can help support your child ‘s development
  • Appointments – keep track of your child’s doctors’ appointments and get reminders about recommended developmental screenings

The use of this app is not a substitute for the use of validated, standardized developmental screening tools as recommended by the American Academy of Pediatrics.

CDC does not collect or share any personal information that can be used to identify you or your child.

Download the Milestone Tracker app from the App Store or Google Play today!

Promote the Milestone Tracker app with a promotional toolkit, featuring a printable flyer, poster, web button, and more.

act early english iphone screen

Application Menu Screenshot

Act Early English checklist screen

Act Early English activities screen

act early english iphone screen

Feedback? Questions?

If you like it, please provide a rating for Milestone Tracker app in the App Store.  If you’re having trouble, have ideas for improvement or other feedback to share, please contact us at


This app was developed by the Centers for Disease Control and Prevention’s “Learn the Signs. Act Early.” program with contribution from Dr. Rosa Arriaga and students from the Computing for Good program at the Georgia Institute of Technology, Atlanta, GA.