Best Baby Size Tracker Apps

236+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated July 2026

Pregnancy Baby Tracker is the household name in baby size tracker, but it's far from the only option. We track 236+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Baby Size Tracker Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Baby Tracker - WTEPregnancy Baby Tracker - WTEFree4.9★ (376K)YesNoJul 2026
2Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8★ (75K)YesYesJul 2026
3Coconut Baby: Track PregnancyCoconut Baby: Track PregnancyFree4.7★ (120)NoYesJul 2026
4BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (293K)YesNoJul 2026
5The Bump: Baby & Pregnancy AppThe Bump: Baby & Pregnancy AppFree4.8★ (39K)YesNoJul 2026
6Pregnancy Tracker: Baby BumpPregnancy Tracker: Baby BumpFree4.6★ (7.4K)NoNoJul 2026
7Flo Cycle & Period TrackerFlo Cycle & Period TrackerFree4.7★ (1.9M)YesYesJul 2026
8WeMoms - Pregnancy & Baby AppWeMoms - Pregnancy & Baby AppFree4.8★ (26K)YesYesJul 2026

Top Picks for Baby Size Tracker

Pregnancy Baby Tracker - WTE#1

Pregnancy Baby Tracker - WTE by Everyday Health, Inc.

Track Development & Growth
Editor's Choice
🏥 Medical
4.9😊(376K ratings)
FreeAds
#25in Medical
Pregnancy Baby Tracker - WTE screenshot 1
Pregnancy Baby Tracker - WTE screenshot 2
Pregnancy Baby Tracker - WTE screenshot 3
Pregnancy Baby Tracker - WTE screenshot 4
Pregnancy Baby Tracker - WTE screenshot 5
Pregnancy Baby Tracker - WTE screenshot 6

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#2

Pregnancy + | Tracker App by Philips Digital UK Limited

Pregnant? Join over 80m moms!
Strong Contender
🏥 Medical
4.8😊(75K ratings)
FreeAdsIn-App Purchases
#3in Medical
Pregnancy + | Tracker App screenshot 1
Pregnancy + | Tracker App screenshot 2
Pregnancy + | Tracker App screenshot 3
Pregnancy + | Tracker App screenshot 4
Pregnancy + | Tracker App screenshot 5
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
Coconut Baby: Track Pregnancy#3

Coconut Baby: Track Pregnancy by Duffy Ventures, LLC

Bump Size & Growth Tracker App
Worth Considering
💪 Health & Fitness
4.7(120 ratings)
FreeIn-App Purchases
Coconut Baby: Track Pregnancy screenshot 1
Coconut Baby: Track Pregnancy screenshot 2
Coconut Baby: Track Pregnancy screenshot 3
Coconut Baby: Track Pregnancy screenshot 4
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."

More Baby Size Tracker apps to explore

4
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
Track Baby Daily & Get Rewards
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
(293K)
free with in-app purchases
5
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
6
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
7
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Flo Cycle & Period Tracker
Ovulation & Pregnancy Calendar
Free

This app helps women track their menstrual cycles, ovulation, and fertility. It offers personalized insights, pregnancy support, and tools for managing perimenopause symptoms, with a focus on data privacy and security.

Period and ovulation trackingFertility and pregnancy supportSymptom and mood logging
💪 Health & Fitness
(1.9M)
free with in-app purchases
8
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
9
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
10
Huckleberry: Baby Tracker
Huckleberry: Baby Tracker
Huckleberry: Baby Tracker
Baby Sleep & Nap Schedule App
Free

This app helps parents track baby sleep, feeding, and milestones with expert guidance. It offers smart tools like a sleep timing predictor and AI-powered parenting advice to simplify daily routines and foster restful nights.

Baby sleep and feeding trackerPersonalized sleep guidanceSweetSpot® nap time predictor
🏥 Medical
(69K)
freemium
11
Pregnancy Tracker App 
Pregnancy Tracker App 
Pregnancy Tracker App 
Contraction Timer Kick counter
Free

This app guides expecting mothers through each week of pregnancy, detailing baby development and maternal changes. It offers essential tools for tracking symptoms, kicks, weight, and contractions, alongside planning features for appointments, hospital stays, and baby names. An AI assistant provides instant answers to pregnancy-related questions.

Baby development trackerPregnancy week-by-week guidesSymptom tracking
🏥 Medical
(193)
free with in-app purchases
12
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
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
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
15
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
16
Babylist Baby Registry
Babylist Baby Registry
Babylist Baby Registry
One registry for any store
Free

This app helps expecting parents create a universal baby registry by allowing them to add items from any store and compare prices. It also offers a pregnancy tracker, checklists, expert guides, and baby name inspiration.

Universal registry for any storePrice comparison across retailersWeekly pregnancy tracker
🛍️ Shopping
(136K)
free with in-app purchases
17
Baby Story: Pregnancy Pictures
Baby Story: Pregnancy Pictures
Baby Story: Pregnancy Pictures
Baby Growth・Milestones Tracker
Free

Easily create beautiful visual stories from your pregnancy and baby's milestones. Add custom artwork, fonts, and filters to personalize your photos and build a lasting memory album.

Crafted milestone artworks and fonts15 professional baby filtersCustomizable photo themes
📷 Photo & Video
(145K)
free with in-app purchases
18
Nara Baby & Pregnancy Tracker
Nara Baby & Pregnancy Tracker
Nara Baby & Pregnancy Tracker
Pregnancy, Baby, Postpartum
Free

This app helps parents track baby's feeding, sleep, and diaper changes, while also supporting maternal well-being during pregnancy and postpartum. It allows for easy sharing of information between caregivers and tracking of multiple children.

Track feeding (breast, bottle, pumping)Monitor diaper changes and bowel habitsLog sleep patterns and naps
🏥 Medical
(22K)
free
19
Pregnancy Tracker 3D by Sprout
Pregnancy Tracker 3D by Sprout
Pregnancy Tracker 3D by Sprout
Track Baby Growth Week-By-Week
Free

This app guides you through pregnancy with week-by-week tracking of your baby's growth. It offers personalized insights, symptom monitoring, and tools like a kick counter and contraction timer. Create a birth plan and a pregnancy journal to capture memories.

Week-by-week baby growth trackingInteractive 3D baby modelsDue date calculator
🏥 Medical
(24K)
free with in-app purchases
20
Glow Baby Tracker & Growth App
Glow Baby Tracker & Growth App
Glow Baby Tracker & Growth App
Milestone, Pumping, Baby Sleep
Free

This AI-powered app helps parents track baby's growth, feeding, sleep, and diaper changes. It offers personalized insights, parenting resources, and a pump log for breastfeeding mothers. Premium features provide comparative data, expert articles, and community support.

AI-powered baby trackingMilestone and growth monitoringFeeding and breastfeeding log
🏥 Medical
(23K)
freemium

FAQ about Baby Size Tracker

What are the best baby size tracker apps for iPhone?
Pregnancy Baby Tracker - WTE tops our baby size tracker apps ranking as of July 2026, with a 4.9-star average from 376K App Store ratings, and it's free to download.
Yes — 20 of the top baby size tracker apps we rank are free to download, including Pregnancy Baby Tracker - WTE and Pregnancy + | Tracker App.
Pregnancy Baby Tracker - WTE shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 236+ baby size tracker apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a comprehensive guide for pregnancy and early parenthood. It offers week-by-week insights into baby development, helps track symptoms and milestones, provides expert advice, and connects users with a community of parents.
Key features include a due date calculator, week-by-week pregnancy updates, baby growth tracking, daily personalized tips, symptom logging, a baby feeding and diaper tracker, and community forums for support.

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