About this app
The all-in-one baby tracker that respects your privacy and simplifies parenting. Coo makes it effortless to track your baby's daily activities, growth, and milestones. With a clean, intuitive design, you'll spend less time logging and more time with your little one. NO ACCOUNT REQUIRED Start tracking immediately — no sign-ups, no passwords. Your data stays on your device, private and secure. Only pay once - Lifetime Access. No Subscription TRACK EVERYTHING • Sleep — Log naps and night sleep with automatic duration • Feeding — Breastfeeding, bottle, and solid foods • Growth — Weight and height with percentile charts • Diapers — Wet and dirty diaper tracking • Medicine — Vitamins and medications with dosage • Pumping — Track sessions and volume • Milestones — CDC-based developmental milestones SMART INSIGHTS Understand your baby's patterns with beautiful charts. See daily, weekly, and monthly trends for sleep, feeding, and more. ICLOUD SYNC Seamlessly sync across all your Apple devices automatically. SHARE WITH PARTNER & CAREGIVERS Invite your partner, grandparents, or nanny to track together in real-time. Everyone stays informed instantly. MULTIPLE BABY PROFILES Twins? Siblings? Easily switch between profiles and track each child separately. BEAUTIFUL & SIMPLE A soft, warm design that's easy on the eyes — especially during late-night feedings. DARK MODE & WIDGETS Full dark mode support and home screen widgets for quick tracking. Why parents love Coo: - No account required - Privacy-first - Works offline - Share with unlimited caregivers - Multiple baby support - Ad-free experience
Latest release
What’s New
- Insights tab support wide range of time ranges
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 10, 2026 · 8:02 AM Free
Screenshots
