Best Size Of Baby Apps

249+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated August 2026

Whether you're new to size of baby or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Size Of Baby Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Baby Tracker - WTEPregnancy Baby Tracker - WTEFree4.9★ (378K)YesNoAug 2026
2Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8★ (75K)YesYesAug 2026
3The Bump: Baby & Pregnancy AppThe Bump: Baby & Pregnancy AppFree4.8★ (39K)YesNoAug 2026
4Coconut Baby: Track PregnancyCoconut Baby: Track PregnancyFree4.7★ (120)NoYesAug 2026
5Pregnancy Tracker: Baby BumpPregnancy Tracker: Baby BumpFree4.6★ (7.5K)NoNoAug 2026
6Babylist Baby RegistryBabylist Baby RegistryFree4.9★ (139K)NoNoAug 2026
7BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (295K)YesNoAug 2026
8SizeSeason: Baby Clothes SizeSizeSeason: Baby Clothes Size$1.99NoNoJun 2026

Top Picks for Size Of Baby

Pregnancy Baby Tracker - WTE#1

Pregnancy Baby Tracker - WTE by Everyday Health, Inc.

Track Development & Growth
Editor's Choice
🏥 Medical
4.9😊(378K ratings)
FreeAds
#30in 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
The Bump: Baby & Pregnancy App#3

The Bump: Baby & Pregnancy App by The Knot Inc.

Baby Tracker, Growth & Names
Worth Considering
💪 Health & Fitness
4.8😊(39K ratings)
FreeAds
The Bump: Baby & Pregnancy App screenshot 1
The Bump: Baby & Pregnancy App screenshot 2
The Bump: Baby & Pregnancy App screenshot 3
The Bump: Baby & Pregnancy App screenshot 4
The Bump: Baby & Pregnancy App screenshot 5
The Bump: Baby & Pregnancy App screenshot 6

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.

What We Love

  • ⭐ Excellent pregnancy tracking and information
  • 💻 Detailed weekly updates and 3D visuals
  • 📚 Comprehensive articles and resources
  • 🤰 Helpful for first-time and experienced moms

Room to Improve

  • 🐛 Occasional app crashes and glitches
  • 🤔 Inconsistent or outdated content in some articles
  • 📊 Lack of personalization and customization options

More Size Of Baby apps to explore

4
Coconut Baby: Track Pregnancy
Coconut Baby: Track Pregnancy
Coconut Baby: Track Pregnancy
Bump Size & Growth Tracker App
Free

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."

Weekly pregnancy countdownBaby size comparisons to objectsFun pregnancy facts
💪 Health & Fitness
(120)
free with in-app purchases
5
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
(7.5K)
free
6
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
(139K)
free with in-app purchases
7
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
(295K)
free with in-app purchases
8
SizeSeason: Baby Clothes Size
SizeSeason: Baby Clothes Size
SizeSeason: Baby Clothes Size
WHO Growth Tracker & Predictor
$1.99
🌟 Lifestyle
(0)
9
MyBumpBaby – Pregnancy & Baby
MyBumpBaby – Pregnancy & Baby
MyBumpBaby – Pregnancy & Baby
Weeks, kicks, naps & growth
Free
💪 Health & Fitness
(0)
10
How Big is Baby Today?
How Big is Baby Today?
How Big is Baby Today?
Baby's size, every day
Free

Track your baby's development daily with size comparisons, estimated cell counts, and gestational age. Input ultrasound measurements to adjust predictions. This app provides fun, informational estimates based on population averages.

Daily size comparisonsEstimated cell countGestational age tracking
🔧 Utilities
(3)
free with in-app purchases
11
Baby Heartbeat - Tiny Pulse
Baby Heartbeat - Tiny Pulse
Baby Heartbeat - Tiny Pulse
Bond During Pregnancy
Free
💪 Health & Fitness
(0)
12
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
13
Glimpse: Future Baby Generator
Glimpse: Future Baby Generator
Glimpse: Future Baby Generator
AI Baby Generator & Predictor
Free
🎨 Graphics & Design
(0)
14
Baby Reveal
Baby Reveal
Baby Reveal
AI Baby Face From Ultrasound
Free
🏥 Medical
(0)
15
Babivo: Baby Monitoring
Babivo: Baby Monitoring
Babivo: Baby Monitoring
Simple & Secure
$1.99
🌟 Lifestyle
(0)
16
BabyHunch
BabyHunch
BabyHunch
by Benjamin Porter
Free

Turn your baby's milestones into fun guessing games for friends and family. Predict birth details, name, and more, with secret reveals and leaderboards. Share updates, send good vibes, and create a time capsule for your little one.

Milestone guessing gamesSecret predictionsLive reveals
🌟 Lifestyle
(2)
free
17
BabyDiary - Track the progress of your newborn baby!
BabyDiary - Track the progress of your newborn baby!
BabyDiary - Track the progress of your newborn baby!
by Giovanni Turrioni
Free

Easily log and monitor your newborn's daily activities, including feeding, diaper changes, and sleep patterns. Track growth milestones like weight and height, and access a comprehensive history of your baby's progress. Features include night mode and customizable units of measurement.

Breastfeeding and formula feeding managementDiaper change trackingSleep monitoring
💪 Health & Fitness
(1)
free with in-app purchases
18
This Is Your Baby
This Is Your Baby
This Is Your Baby
Offers Expert Midwife support
Free
💪 Health & Fitness
(0)
19
Baby's check
Baby's check
Baby's check
by Moon Sunmin
Free

Easily track your baby's growth and daily activities. Monitor key metrics like height, weight, feeding times, sleep, and more. Visualize progress with clear growth charts and set reminders to stay organized.

Baby growth tracking (height, weight)Daily activity logging (feeding, sleep, bath)Growth charts and data visualization
💪 Health & Fitness
(0)
free with in-app purchases
20
Baby Tracker - Feeding, Sleep
Baby Tracker - Feeding, Sleep
Baby Tracker - Feeding, Sleep
Track your baby's activities!
Free
🏥 Medical
(0)

FAQ about Size Of Baby

What are the best size of baby apps for iPhone?
Pregnancy Baby Tracker - WTE tops our size of baby apps ranking as of August 2026, with a 4.9-star average from 378K App Store ratings, and it's free to download.
Yes — 18 of the top size of baby 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 August 2026.
We track 249+ size of baby apps on the iOS App Store as of August 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.