Best Baby Size App

199+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated June 2026

Whether you're new to baby size app or looking for an upgrade, our curated collection of 199+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Baby Size App

Coconut Baby: Track Pregnancy#1

Coconut Baby: Track Pregnancy by Duffy Ventures, LLC

Bump Size & Growth Tracker App
Editor's Choice
💪 Health & Fitness
4.7(120 ratings)
FreeIn-App Purchases
Coconut Baby: Track Pregnancy screenshot 1
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Coconut Baby: Track Pregnancy screenshot 5
Coconut Baby: Track Pregnancy screenshot 6

This app offers a fun, weekly pregnancy countdown with size comparisons to everyday objects. Visualize your baby's growth and learn interesting facts throughout your pregnancy journey. Share your progress with loved ones and capture memorable "Belly Selfies."

Pregnancy Baby Tracker - WTE#2

Pregnancy Baby Tracker - WTE by Everyday Health, Inc.

Track Development & Growth
Strong Contender
🏥 Medical
4.9😊(376K ratings)
FreeAds
#24in Medical
Pregnancy Baby Tracker - WTE screenshot 1
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This app guides you through pregnancy and early parenthood with weekly updates, development trackers, and expert advice. It helps you monitor your baby's growth, manage symptoms, and connect with other parents.

What We Love

  • 🚀 Helpful information and videos
  • 👍 Useful for tracking pregnancy and baby's development
  • 👍 Great community support
  • 👍 Easy to use and navigate

Room to Improve

  • 🐛 Freezing and lagging issues
  • 🔍 Inaccurate baby size comparisons
  • 💬 Toxic and unsupportive community
Pregnancy + | Tracker App#3

Pregnancy + | Tracker App by Philips Digital UK Limited

Pregnant? Join over 80m moms!
Worth Considering
🏥 Medical
4.8😊(74K ratings)
FreeAdsIn-App Purchases
#4in Medical
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Pregnancy + | Tracker App screenshot 6

Track your pregnancy week-by-week with expert advice, daily articles, and interactive 3D models of your baby's development. Features include a due date calculator, kick counter, and tools to plan for labor and organize appointments. Join millions of expecting parents worldwide.

What We Love

  • 🚀 Excellent pregnancy tracking app
  • 👍 Informative and useful features
  • 💡 Realistic 3D baby visuals
  • 👍 Helpful weekly updates and articles

Room to Improve

  • 🐛 Inaccurate due date and week calculations
  • 🐛 Bugs with loading articles and content
  • 💰 Paywall after 14 weeks

More Baby Size App apps to explore

4
The Bump: Baby & Pregnancy App
The Bump: Baby & Pregnancy App
The Bump: Baby & Pregnancy App
Baby Tracker, Growth & Names
Free

This app is a comprehensive pregnancy and baby tracker for expecting and new parents. It offers weekly updates on baby's growth with fun comparisons, a baby name finder, and daily advice from experts. It also includes helpful tools like a due date calculator, kick counter, and a food safety guide.

Weekly baby growth comparisonsBaby name finder3D interactive baby growth visualization
💪 Health & Fitness
(39K)
free with in-app purchases
5
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
Track Baby Development & Size
Free

This app helps you track your pregnancy week-by-week, monitor your baby's development, and access expert advice. It also offers a loyalty program for exclusive discounts and a community forum for support.

Week-by-week pregnancy tracking3-D fetal development videosLoyalty program for discounts
🏥 Medical
(292K)
free with in-app purchases
6
Pregnancy Tracker - BabyInside
Pregnancy Tracker - BabyInside
Pregnancy Tracker - BabyInside
Pregnancy & Baby Tracker App
Free

This app guides expectant parents through pregnancy with weekly updates on baby development and bodily changes. It offers a pregnancy calendar, countdown to birth, and tips on diet, labor, and newborn care. Features include a contraction timer and due date calculator.

Weekly baby development updatesPregnancy calendar and countdownTips for diet, labor, and newborn care
🏥 Medical
(475)
free with in-app purchases
7
Pregnancy Tracker・App by Moms
Pregnancy Tracker・App by Moms
Pregnancy Tracker・App by Moms
Week-by-Week Baby Growth Guide
Free

This app guides expecting parents through pregnancy with daily insights into baby's development and maternal health. It offers tools to track vital signs, schedule appointments, and access helpful articles, ensuring a well-documented and confident journey to childbirth.

Week-by-week baby development updatesDaily health and pregnancy insightsTrack weight, blood pressure, and contractions
🏥 Medical
(14K)
free with in-app purchases
8
amma: Pregnancy & Baby Tracker
amma: Pregnancy & Baby Tracker
amma: Pregnancy & Baby Tracker
Fertility to Newborn Weekly
Free

Track your pregnancy week by week, from conception to your baby's newborn stage. Get daily updates on your baby's growth, changes in your body, and helpful tips. Features include contraction timing, kick counting, and a personal diary.

Weekly pregnancy calendarBaby development updatesMother's body changes
🏥 Medical
(10K)
free with in-app purchases
9
Preggers | Pregnancy tracker
Preggers | Pregnancy tracker
Preggers | Pregnancy tracker
Pregnant. Postpartum. Babies.
Free

This app guides you through pregnancy week by week with realistic 3D baby development visuals and expert insights. It offers tools for labor preparation, a baby name generator, and a diary to capture your journey. The app continues to support you after birth, tracking your child's development for up to two years.

3D baby development trackerWeek-by-week pregnancy guideLabor and contraction timer
🏥 Medical
(1.7K)
free with in-app purchases
10
Ovia Parenting & Baby Tracker
Ovia Parenting & Baby Tracker
Ovia Parenting & Baby Tracker
Breastfeeding, Sleep, & Diaper
Free

This app helps new parents track essential baby care activities like feedings, sleep, and diaper changes. It also offers expert articles on child development and parenting tips, with features for sharing family moments and connecting with a community.

Track diapers, feedings, and sleepMonitor child development milestonesAccess 1000+ expert parenting articles
🏥 Medical
(10K)
free with in-app purchases
11
Pregnancy Tracker: Baby Bump
Pregnancy Tracker: Baby Bump
Pregnancy Tracker: Baby Bump
Contraction timer,kick counter
Free

This app guides expectant mothers through pregnancy with weekly updates on baby and body changes. It offers tools like a kick counter and contraction timer, alongside tips for a healthy pregnancy and fetal development visuals.

Weekly baby and body change informationFetal development images and videosKick counter
🏥 Medical
(7.4K)
free
12
Pregnancy App.
Pregnancy App.
Pregnancy App.
Start tracking your pregnancy!
Free

Track your pregnancy week by week with this comprehensive app. It offers tools to monitor your progress, calculate your due date, and manage key pregnancy milestones like contractions and kicks. Stay informed and organized throughout your journey.

Track pregnancy week by weekPregnancy calendar and week informationCalculate due date
🏥 Medical
(22K)
ad-supported
13
Nurture Pregnancy Week by Week
Nurture Pregnancy Week by Week
Nurture Pregnancy Week by Week
Track Baby Growth & Due Date
Free

This app offers comprehensive pregnancy tracking, providing insights into baby development week by week. Connect with a supportive community of mothers, access expert advice, and utilize tools like a contraction timer and baby registry. Personalized AI-powered insights help you navigate your pregnancy with confidence.

Week-by-week pregnancy trackingDetailed baby development informationSupportive mom community
🏥 Medical
(30K)
freemium
14
Baby + | Your Baby Tracker
Baby + | Your Baby Tracker
Baby + | Your Baby Tracker
Baby Development & Tracker App
Free

Track your baby's growth, development, and milestones with this comprehensive app. Access daily articles, weekly guides, and video tutorials on breastfeeding and parenting. Record memories, feeding schedules, sleep patterns, and health information.

Growth TrackerFeeding TrackerSleep & Soothing Tracker
🏥 Medical
(7.8K)
free with in-app purchases
15
WeMoms - Pregnancy & Baby App
WeMoms - Pregnancy & Baby App
WeMoms - Pregnancy & Baby App
Suivi: Grossesse, Alimentation
Free

Track your pregnancy and baby's development week by week with expert content and personalized articles. Connect with a supportive community of mothers and utilize helpful tools for every stage of your journey to motherhood.

Week-by-week baby development trackingPersonalized pregnancy guides and tips3D baby development visualization
🏥 Medical
(26K)
free with in-app purchases
16
Pregnancy announcement -Giggly
Pregnancy announcement -Giggly
Pregnancy announcement -Giggly
baby name generator editor app
Free

Create a digital scrapbook of your pregnancy and baby's first moments. Add captions, artwork, and filters to photos, then share them with loved ones. Track your baby's milestones and store memories in a virtual journal.

Pregnancy countdown timelineBaby milestone trackingPhoto editing with captions and artwork
📷 Photo & Video
(5.4K)
free with in-app purchases
17
PreggApp: AI Pregnancy Tracker
PreggApp: AI Pregnancy Tracker
PreggApp: AI Pregnancy Tracker
Baby diary and calendar app
Free

This AI-powered pregnancy tracker offers expert advice, daily health checks, and week-by-week updates on your baby's development. Visualize your baby's growth with fun comparisons and get instant answers to your pregnancy questions.

AI chatbot for pregnancy questionsExpert-produced short podcastsDaily health check-ups
💪 Health & Fitness
(0)
free with in-app purchases
18
Baby Tracker!
Baby Tracker!
Baby Tracker!
Baby tracker and breastfeeding
Free

This app helps parents monitor their baby's daily activities, including feeding, sleep, and diaper changes. It provides a centralized place to log important information and identify behavioral patterns. The tool is designed for simplicity and comprehensive tracking of a newborn's needs.

Feeding tracker (breastfeeding, bottle)Sleep trackerDiaper log
🏥 Medical
(5K)
free with in-app purchases
19
Pregnancy Tracker | Preglife
Pregnancy Tracker | Preglife
Pregnancy Tracker | Preglife
Baby Development & Milestones
Free

This app offers evidence-based content and expert advice for pregnancy, postpartum, and early child development. It provides personalized information, a pregnancy calendar, guides on essential topics, and exercise content to support parents through significant life changes.

Personalized pregnancy and baby development contentPregnancy calendar with week-by-week trackingExpert-backed articles and guides
🏥 Medical
(1.7K)
free
20
Bounty Pregnancy and Baby App
Bounty Pregnancy and Baby App
Bounty Pregnancy and Baby App
Development and growth tracker
Free

Track your pregnancy and baby's development with personalized insights and daily tips. Manage essentials, explore articles on health, sleep, and names, and access parenting advice from pregnancy through your baby's early years.

Personalized pregnancy and baby trackerWeek-by-week development insightsDaily hints and tips
💪 Health & Fitness
(9)
free with in-app purchases