Track Your Baby's Precious Moments

Beautiful real-time age tracking, milestone monitoring, and daily photo journaling. Privacy-first with all data stored locally on your device.

  • ⏰ Real-time age tracking
  • πŸ“Έ Daily photo journal
  • πŸ“Š WHO growth charts
  • πŸ”’ Privacy-first design
LeenBaby interactive baby age calculator logo

Interactive Age Calculator

My Little One

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Current Milestone
Developing motor skills

Everything You Need

To Track Your Baby's Journey

LeenBaby combines beautiful design with powerful features to help you capture and monitor every precious moment of your baby's development.

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Real-Time Age Tracking

Live clock showing your baby's exact age down to the second. Watch them grow in real-time with beautiful, precise age calculations.

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Daily Photo Journal

Capture one precious photo per day with automatic age labeling. Build a beautiful timeline of memories with captions and geolocation.

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WHO Growth Charts

Track weight, height, and head circumference with WHO-standard growth charts. Get accurate percentile positioning and growth insights.

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Milestone Tracking

Age-specific developmental milestones in multiple languages. Never miss important developmental markers with smart notifications.

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Vaccination Tracker

Keep track of vaccinations with schedules from WHO, CDC, and other health authorities. Multiple country guidelines supported.

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Privacy First

All data stored locally on your device. No cloud sync, no accounts, no tracking. Your baby's data stays private and secure.

Start Your Growth Journey

Join parents worldwide who trust LeenBaby to capture their baby's precious moments.

βœ“ Completely Free
βœ“ No Ads
βœ“ No Account Required
βœ“ Full Privacy
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Stay Updated with LeenBaby

Join thousands of parents who receive parenting tips, milestone guidance, and exclusive updates about new LeenBaby features.

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Expert Tips

Weekly parenting advice

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Milestone Guides

Age-appropriate activities

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Early Access

New features first

Privacy-first β€’ No spam β€’ Unsubscribe anytime

Trusted Data Sources

LeenBaby uses scientifically validated data from the world's leading health organizations to ensure accuracy and reliability.

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WHO Growth Standards

Official growth charts from the World Health Organization for accurate weight, height, and development tracking.

Covers ages 0-5 years
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CDC Vaccination Schedules

Vaccination recommendations from the Centers for Disease Control and Prevention and other international health authorities.

Multiple country guidelines
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Developmental Research

Age-specific milestones based on pediatric research and early childhood development studies.

Evidence-based milestones

Scientifically Validated

All calculations and assessments in LeenBaby are based on peer-reviewed medical research and official health organization guidelines, ensuring the highest level of accuracy for your baby's tracking.

Ready to Start Your Journey?

Download LeenBaby today and begin capturing every precious moment of your baby's growth.

Available on
App Store
Coming Soon to
Google Play

πŸ“± Currently available on iOS β€’ Android version coming soon

Privacy-first β€’ Data stored locally on your device