Best Baby Size Apps

201+ iOS apps curated and reviewed

4.8 avg rating
19 free apps
Updated July 2026

Out of 201+ baby size apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Baby Size 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
7Babylist Baby RegistryBabylist Baby RegistryFree4.9★ (136K)YesNoJul 2026
8My Pregnancy | Tracker & AppMy Pregnancy | Tracker & AppFree4.8★ (13K)NoNoJul 2026

Top Picks for Baby Size

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
#28in 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
#5in 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 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
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
8
My Pregnancy | Tracker & App
My Pregnancy | Tracker & App
My Pregnancy | Tracker & App
Watch Your Baby Grow
Free

This app offers a week-by-week pregnancy tracker, guiding you through bodily changes and fetal development. It provides helpful advice, information on baby growth, and tools like a kick counter and contraction timer.

Week-by-week adviceFetal development trackingBodily changes information
🏥 Medical
(13K)
free
9
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
10
Baby Story: Pregnancy Tracker
Baby Story: Pregnancy Tracker
Baby Story: Pregnancy Tracker
Baby Milestones & Growth Photo
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
11
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
12
HiMommy: Ovulation & Pregnancy
HiMommy: Ovulation & Pregnancy
HiMommy: Ovulation & Pregnancy
Period & Cycle tracker, Baby
Free

This app assists users throughout their journey to motherhood, from tracking cycles and fertility to monitoring pregnancy and newborn care. It offers daily baby development updates, health tips, and tools for tracking physical changes and baby's milestones.

Menstrual and ovulation calendarFertility symptom trackingDaily baby development updates
🏥 Medical
(5.2K)
free with in-app purchases
13
Preggers | Pregnancy & Baby
Preggers | Pregnancy & Baby
Preggers | Pregnancy & Baby
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
14
Baby Pics - AI Photo Editor
Baby Pics - AI Photo Editor
Baby Pics - AI Photo Editor
Pregnancy & Baby Milestones
Free

Easily capture and enhance precious pregnancy and baby milestone photos. Add beautiful artwork, personalized text, and fun filters to create cherished keepsakes. Transform your baby's moments into unique animations, storybook scenes, and cinematic posters with AI-powered tools.

1000+ handcrafted milestone illustrationsPersonalized text with adorable fontsBeautiful photo filters
📷 Photo & Video
(16K)
free with in-app purchases
15
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
16
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
17
buybuy BABY
buybuy BABY
buybuy BABY
Welcome to Parenthood
Free

Discover a wide selection of nursery furniture, strollers, car seats, and playroom essentials from trusted brands. This app simplifies shopping for baby and child products, offering deals and registry management.

Shop nursery furniture and decorBrowse strollers and car seatsDiscover playroom essentials
🛍️ Shopping
(78K)
free with in-app purchases
18
Cloud Baby Monitor
Cloud Baby Monitor
Cloud Baby Monitor
Baby Cam WiFi 3G 4G 5G
$6.99

Monitor your baby with high-quality video and audio from anywhere. Receive instant alerts for noise and motion, and access an activity log to track sleep patterns. Features include lullabies, a night light, and two-way talk.

Unlimited range monitoring (Wi-Fi, 3G, 4G, 5G, Bluetooth)Noise and motion alertsLive video and audio streaming
🌟 Lifestyle
(18K)
paid
19
Medela Family - Breast Feeding
Medela Family - Breast Feeding
Medela Family - Breast Feeding
Breastfeeding, Pumping Tracker
Free

This app supports pregnant and breastfeeding mothers with tools to track pregnancy, baby development, and breastfeeding sessions. It offers personalized articles, expert tips, and a virtual milk storage feature to help manage milk supply and goals.

Pregnancy trackingBaby development monitoringBreastfeeding session tracking
💪 Health & Fitness
(4.6K)
free
20
Kyte Baby
Kyte Baby
Kyte Baby
The Original Bamboo Sleep Bag™
Free

Shop the latest baby clothing and accessories with exclusive discounts and early access to new collections. Enjoy a seamless browsing and secure checkout experience.

Exclusive discountsEarly access to launchesEasy browsing
🛍️ Shopping
(2.2K)
free with in-app purchases

FAQ about Baby Size

What are the best baby size apps for iPhone?
Pregnancy Baby Tracker - WTE tops our baby size apps ranking as of July 2026, with a 4.9-star average from 376K App Store ratings, and it's free to download.
Yes — 19 of the top baby size 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 201+ baby size 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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