Best Pregnancy Baby Size Apps

249+ iOS apps curated and reviewed

4.8 avg rating
19 free apps
Updated September 2026

Looking for free pregnancy baby size apps? 19 of our 249+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top Pregnancy Baby Size Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy App.Pregnancy App.Free4.9β˜… (23K)YesNoSep 2026
2Pregnancy Baby Tracker - WTEPregnancy Baby Tracker - WTEFree4.9β˜… (379K)YesNoSep 2026
3The Bump: Baby & Pregnancy AppThe Bump: Baby & Pregnancy AppFree4.8β˜… (40K)YesNoSep 2026
4Coconut Baby: Track PregnancyCoconut Baby: Track PregnancyFree4.7β˜… (120)NoYesSep 2026
5Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8β˜… (75K)YesYesSep 2026
6BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9β˜… (296K)YesNoSep 2026
7Pregnancy Tracker・App by MomsPregnancy Tracker・App by MomsFree4.7β˜… (14K)YesYesSep 2026
8How Big is Baby Today?How Big is Baby Today?Free5.0β˜… (3)NoYesJul 2026

Top Picks for Pregnancy Baby Size

Pregnancy App.#1

Pregnancy App. by Amila Tech Limited

Start tracking your pregnancy!
Editor's Choice
πŸ₯ Medical
4.9😊(23K ratings)
FreeAds
Pregnancy App. screenshot 1
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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.

What We Love

  • πŸ‘ User-friendly layout
  • πŸš€ Helpful weekly updates
  • πŸ’‘ Great tracking features (weight, kicks, contractions)
  • 🌟 Simple and effective
  • 🌟 Informative and reassuring
  • 🌟 Reliable data and advice

Room to Improve

  • πŸ› Inaccurate trimester/week calculations
  • πŸ› Inconsistent data sync/retention
  • πŸ’¬ Tone can be condescending or trigger body image issues
  • 🌐 Lack of diversity in visuals
  • πŸ” Missing features for multiple pregnancies/twins
Pregnancy Baby Tracker - WTE#2

Pregnancy Baby Tracker - WTE by Everyday Health, Inc.

Track Development & Growth
Strong Contender
πŸ₯ Medical
4.9😊(379K ratings)
FreeAds
#29in Medical
Pregnancy Baby Tracker - WTE screenshot 1
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Pregnancy Baby Tracker - WTE screenshot 3
Pregnancy Baby Tracker - WTE screenshot 4
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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

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

Room to Improve

  • πŸ› Freezing and lagging issues
  • πŸ” Inaccurate baby size comparisons
  • πŸ’¬ Toxic and unsupportive community
  • 🚫 Excessive ads and notifications
  • 🚫 Outdated or biased information
  • 🚫 Gender-specific language and assumptions
The Bump: Baby & Pregnancy App#3

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

Baby Tracker, Growth & Names
Worth Considering
πŸ’ͺ Health & Fitness
4.8😊(40K ratings)
FreeAds
The Bump: Baby & Pregnancy App screenshot 1
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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
  • πŸ’» Detailed weekly updates and 3D visuals
  • πŸ“š Comprehensive articles and resources
  • 🀰 Helpful for first-time and experienced moms
  • 🀱 Useful even after baby's birth
  • πŸ—“οΈ Convenient checklist and calendar features

Room to Improve

  • πŸ› Occasional app crashes and glitches
  • πŸ€” Inconsistent or outdated content in some articles
  • πŸ“Š Lack of personalization and customization options
  • πŸ’¬ Community forums could use improvement
  • πŸ€‘ Concerns about hidden costs or subscription fees

More Pregnancy Baby Size apps to explore

FAQ about Pregnancy Baby Size

What are the best pregnancy baby size apps for iPhone?
Pregnancy App. tops our pregnancy baby size apps ranking as of September 2026, with a 4.9-star average from 23K App Store ratings, and it's free to download.
Yes β€” 19 of the top pregnancy baby size apps we rank are free to download, including Pregnancy App. and Pregnancy Baby Tracker - WTE.
Pregnancy App. shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ pregnancy baby size apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to track your pregnancy week by week, providing information relevant to your current stage. It includes tools to help you monitor your progress and key pregnancy events.
Key features include tracking your pregnancy week by week, a pregnancy calendar, due date calculation, a contraction counter, a kick counter, and the ability to track your pregnancy weight.

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