A TTYL app

The first years,
gently kept.

Little Days is a gentle milestone guide and private journal for your baby's first years. Enter your baby's birth date to see age-appropriate developmental milestones that may be coming into view, try thoughtful activities together, and record the moments you never want to forget.

With Little Days, you can:

Every baby develops in their own way. Little Days treats milestones as flexible windows — not deadlines or tests — helping parents stay curious, present, and connected without unnecessary comparison.

A note on medical advice

Little Days provides general developmental information and is not a substitute for professional medical advice. Speak with your pediatrician whenever you have questions or concerns about your baby's development.