Koza: Pregnancy & Baby Tracker

Koza is a pregnancy tracker that follows your pregnancy week by week, from the first positive test to your baby's first steps. See how your little one grows, time contractions, count kicks and keep every health note in one calm, private place.

Whether you are trying to conceive, newly pregnant or counting down the final days, this pregnancy app adapts to you. Enter the first day of your last period and the due date calculator works out your current week and estimated due date. Then Koza guides you through each trimester with clear, friendly information written for moms-to-be.

Pregnancy week by week
• Baby development for weeks 1 to 42: size, weight and fun fruit and animal comparisons
• Trimester progress and a countdown to your due date
• Support for twins and triplets
• Due date calculator based on your last menstrual period

See your baby in 3D
• An interactive 3D baby simulator that changes as your pregnancy progresses
• Listen to a heartbeat and soothing womb sounds

Contraction timer and kick counter
• Contraction timer that records the duration and interval of every contraction
• Clear guidance on when it may be time to go to the hospital during labor
• Kick counter with sessions, daily history and pace comparison
• Use the kick counter any time to get to know your baby's rhythm

Health tools for you
• Pregnancy weight tracker that compares your gain with a healthy range based on your BMI
• Blood pressure and blood glucose logs
• Water tracker with gentle reminders
• Medication and vitamin reminders for folic acid, iron, vitamin D and more

Appointments and getting ready
• Doctor appointments with a list of questions to ask
• Hospital bag checklist so nothing is forgotten when labor starts
• Baby needs checklist for the first weeks at home

Baby names
• Baby names with meanings and handy filters
• AI-powered name suggestions when you need fresh ideas
• Discover your baby's zodiac sign

Lullaby and white noise player
• Lullabies, womb sounds, rain sounds and white noise
• Sleep timer so every lullaby fades out on its own
• Mark your favorite tracks for quick bedtime access

Memories and wellbeing
• Belly photo diary: a weekly bump photo, kept on your phone
• Pregnancy journal for notes and milestones
• Mood tracker to see how you feel over time

Nutrition and exercise
• Nutrition guide with safe and risky foods and what you need in each trimester
• Gentle pregnancy exercises

Before and after pregnancy
• Planning mode for trying to conceive, with your fertility window and likely ovulation days
• Baby development from 0 to 24 months after birth

Community and more
• Anonymous parent community forum to ask questions and share experiences
• Mini quizzes to learn something new
• Available in 13 languages

From ovulation days to your hospital bag checklist, from the pregnancy weight tracker to the first lullaby you play for your newborn, Koza is the pregnancy app that grows with your family.

Your privacy comes first: health records and photos stay on your device, and no account is needed to use this pregnancy tracker.

Koza Premium unlocks the 3D baby simulator, advanced tools and an ad-free experience.

Koza does not replace medical advice; always consult your doctor or midwife.