One Baby: Newborn Baby Tracker

A baby tracker you don't have to open to know what's next.

When a nursing session, pump, or bottle feed ends, the time until the next one appears on your lock screen, a warm number counting down. It updates on its own and stays there until the next feed begins. No opening the app, no second-guessing how long you have.

The same number lives on your Apple Watch. Wherever you're already looking, you'll always know how much time you have til the next feed or next diaper change.

One-handed logging

• Hold and drag from a single button to log a feed, pump, diaper, or sleep.
• Easily log volume with a scroll wheel.
• The whole thing is built to work with a baby in your other arm.

What you can track

• Breastfeeding, with a left/right switch and a running timer
• Pumping and bottle feeds, with volume
• Diapers (wet, dirty, both)
• Sleep, with start and end times
• Weight and length over time

History is grouped by day. Stats roll up by week and month.

Shared with your partner

• Share a baby over iCloud. Both phones and both watches stay in sync. No accounts to create, no servers to trust, no extra app for your partner to install. They accept a link and they're in.

Private by design

• Everything lives in your private iCloud. We never see your data. Nothing collected, nothing tracked, nothing linked.

Free forever. No ads. No analytics.

• Requires iOS 26, watchOS 26, and an iCloud account. Made for iPhone and Apple Watch.