Best Baby Size Apps

248+ iOS apps curated and reviewed

4.9 avg rating
19 free apps
Updated August 2026

Out of 248+ 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Baby Tracker - WTEPregnancy Baby Tracker - WTEFree4.9★ (378K)YesNoSep 2026
2Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8★ (75K)YesYesSep 2026
3The Bump: Baby & Pregnancy AppThe Bump: Baby & Pregnancy AppFree4.8★ (40K)YesNoSep 2026
4Coconut Baby: Track PregnancyCoconut Baby: Track PregnancyFree4.7★ (120)NoYesSep 2026
5BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (296K)YesNoSep 2026
6Babylist Baby RegistryBabylist Baby RegistryFree4.9★ (139K)NoNoSep 2026
7Pregnancy Tracker: Baby BumpPregnancy Tracker: Baby BumpFree4.6★ (7.5K)NoNoSep 2026
8Little Sprout - Baby TrackerLittle Sprout - Baby TrackerFreeNoYesAug 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😊(378K ratings)
FreeAds
#20in 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😊(40K 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 Baby Size apps to explore

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 August 2026, with a 4.9-star average from 378K 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 August 2026.
We track 248+ baby size 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.

Related searches