Best Baby Size Apps

248+ iOS apps curated and reviewed

4.9 avg rating
20 free apps
Updated November 2026

Out of 248+ baby size apps on iOS, 20 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 (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Tracker App - WTEPregnancy Tracker App - WTEFree4.9★ (381K)YesNoNov 2026
2Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8★ (77K)YesYesNov 2026
3Coconut Baby: Track PregnancyCoconut Baby: Track PregnancyFree4.7★ (187)NoYesOct 2026
4Apricot Pregnancy TrackerApricot Pregnancy TrackerFree5.0★ (3)NoNoOct 2026
5The Bump: Pregnancy & Baby AppThe Bump: Pregnancy & Baby AppFree4.8★ (40K)YesNoNov 2026
6Babylist Baby RegistryBabylist Baby RegistryFree4.9★ (144K)NoNoNov 2026
7How Big is Baby Today?How Big is Baby Today?Free5.0★ (3)NoYesNov 2026
8Pregnancy Tracker: Baby BumpPregnancy Tracker: Baby BumpFree4.6★ (7.5K)NoNoNov 2026

Top Picks for Baby Size

Pregnancy Tracker App - WTE#1

Pregnancy Tracker App - WTE by Everyday Health, Inc.

Track Baby's Weekly Growth
Editor's Choice
🏥 Medical
4.9😊(381K ratings)
FreeAds
#27in Medical
Pregnancy Tracker App - WTE screenshot 1
Pregnancy Tracker App - WTE screenshot 2
Pregnancy Tracker App - WTE screenshot 3
Pregnancy Tracker App - WTE screenshot 4
Pregnancy Tracker App - WTE screenshot 5
Pregnancy Tracker App - WTE screenshot 6

Track your pregnancy week-by-week with daily updates, baby development visuals, and symptom logging. Also includes tools for newborn and baby tracking, family planning, and expert-reviewed articles.

What We Love

  • 🚀 Helpful information and videos
  • 👍 Useful for tracking pregnancy and baby's development
  • 👍 Great community support
  • 👍 Easy to use and navigate
  • 👍 Accurate and informative
  • 👍 Comprehensive features
  • 👍 Valuable resource for first-time moms

Room to Improve

  • 🐛 Freezing and lagging issues
  • 🔍 Inaccurate baby size comparisons
  • 💬 Toxic and unsupportive community
  • 🚫 Excessive ads and notifications
  • 🚫 Outdated or biased information
  • 🚫 Gender-specific language and assumptions
Pregnancy + | Tracker App#2

Pregnancy + | Tracker App by Philips Digital UK Limited

Pregnant? Join over 80m moms!
Strong Contender
🏥 Medical
4.8😊(77K 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

This app offers comprehensive week-by-week pregnancy information, expert advice, and interactive 3D models to track your baby's development. It includes tools for planning, organizing appointments, and creating a visual diary of your pregnancy journey.

What We Love

  • 🚀 Excellent pregnancy tracking app
  • 👍 Informative and useful features
  • 💡 Realistic 3D baby visuals
  • 👍 Helpful weekly updates and articles
  • 👍 Convenient appointment and weight tracking
  • 👍 Seamless transition to Baby+ app

Room to Improve

  • 🐛 Inaccurate due date and week calculations
  • 🐛 Bugs with loading articles and content
  • 💰 Paywall after 14 weeks
  • 🤷‍♀ Lack of customization and personalization
  • 🤷‍♀ Limited support for twin/multiple pregnancies
Coconut Baby: Track Pregnancy#3

Coconut Baby: Track Pregnancy by Duffy Ventures, LLC

Bump Size & Growth Tracker App
Worth Considering
💪 Health & Fitness
4.7(187 ratings)
FreeIn-App Purchases
Coconut Baby: Track Pregnancy screenshot 1
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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

FAQ about Baby Size

What are the best baby size apps for iPhone?
Pregnancy Tracker App - WTE tops our baby size apps ranking as of November 2026, with a 4.9-star average from 381K App Store ratings, and it's free to download.
Yes — 20 of the top baby size apps we rank are free to download, including Pregnancy Tracker App - WTE and Pregnancy + | Tracker App.
Pregnancy Tracker App - WTE shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 248+ baby size apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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