Best Baby Size Tracker Apps

250+ iOS apps curated and reviewed

4.9 avg rating
20 free apps
Updated August 2026

Pregnancy Baby Tracker is the household name in baby size tracker, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Baby Size Tracker Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Baby Tracker - WTEPregnancy Baby Tracker - WTEFree4.9★ (378K)YesNoAug 2026
2Coconut Baby: Track PregnancyCoconut Baby: Track PregnancyFree4.7★ (120)NoYesAug 2026
3Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8★ (75K)YesYesAug 2026
4The Bump: Baby & Pregnancy AppThe Bump: Baby & Pregnancy AppFree4.8★ (39K)YesNoAug 2026
5BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (295K)YesNoAug 2026
6Pregnancy Tracker: Baby BumpPregnancy Tracker: Baby BumpFree4.6★ (7.5K)NoNoAug 2026
7Little Sprout - Baby TrackerLittle Sprout - Baby TrackerFreeNoYesAug 2026
8Twin & Preemie: TinyMilesTwin & Preemie: TinyMilesFree5.0★ (4)NoYesAug 2026

Top Picks for Baby Size Tracker

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
Coconut Baby: Track Pregnancy#2

Coconut Baby: Track Pregnancy by Duffy Ventures, LLC

Bump Size & Growth Tracker App
Strong Contender
💪 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."

Pregnancy + | Tracker App#3

Pregnancy + | Tracker App by Philips Digital UK Limited

Pregnant? Join over 80m moms!
Worth Considering
🏥 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

More Baby Size Tracker apps to explore

4
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
5
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
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
(7.5K)
free
7
Little Sprout - Baby Tracker
Little Sprout - Baby Tracker
Little Sprout - Baby Tracker
Pregnancy size week by week
Free
🏥 Medical
(0)
8
Twin & Preemie: TinyMiles
Twin & Preemie: TinyMiles
Twin & Preemie: TinyMiles
Baby Tracker, Feeding & Growth
Free

This app helps parents of twins, multiples, or premature babies track feeding, sleep, and growth. It offers adjusted age tracking, visit preparation tools, and a resource hub for specialized guidance. Safely share data with co-parents and caregivers.

Independent tracking for each babyAdjusted age growth chartsVisit Prep for appointments
💪 Health & Fitness
(4)
freemium
9
Baby Heartbeat Monitor: Bubbi
Baby Heartbeat Monitor: Bubbi
Baby Heartbeat Monitor: Bubbi
Hear Baby Heartbeat & Record
Free
🏥 Medical
(0)
10
BabyWyze: Baby Tracker
BabyWyze: Baby Tracker
BabyWyze: Baby Tracker
Track Feeding, Sleep & Growth
Free

This app helps parents and caregivers easily track baby's daily activities like feedings, sleep, and growth. It provides intelligent insights and summaries to understand trends and prepare for doctor visits. Designed for simplicity and clarity, it offers secure data management and multiple baby profiles.

Log feedings, diapers, sleep, growth, and milestonesGenerate intelligent insights and summariesExport doctor summary reports as PDF
🌟 Lifestyle
(1)
ad-supported
11
Contraction Timer & Tracker +.
Contraction Timer & Tracker +.
Contraction Timer & Tracker +.
Labor Contractions Counter
Free
💪 Health & Fitness
(0)
12
BabyBusiness - Feeding Tracker
BabyBusiness - Feeding Tracker
BabyBusiness - Feeding Tracker
Newborn feeding & growth
Free
💪 Health & Fitness
(0)
13
Pebbi: Newborn Baby Tracker
Pebbi: Newborn Baby Tracker
Pebbi: Newborn Baby Tracker
Private Feed Sleep Diaper Log
Free

Effortlessly track your baby's feeding, sleep, diapers, and health with real-time sync for multiple caregivers. Works offline and prioritizes your privacy with no ads or data collection.

Real-time sync for multiple caregiversOffline tracking for feeds, sleep, diapers, medicationGrowth tracking with percentile charts
🏥 Medical
(6)
freemium
14
Baby Tracker: Sleep & Feeding
Baby Tracker: Sleep & Feeding
Baby Tracker: Sleep & Feeding
Newborn, Breastfeeding, Diaper
Free
🏥 Medical
(0)
15
Vukko: Baby tracker & care log
Vukko: Baby tracker & care log
Vukko: Baby tracker & care log
Track your baby's day
Free
💪 Health & Fitness
(0)
16
Babella Baby & Newborn Tracker
Babella Baby & Newborn Tracker
Babella Baby & Newborn Tracker
Feeding, nursing timer & sleep
Free
💪 Health & Fitness
(0)
17
Coo: AI Baby Tracker
Coo: AI Baby Tracker
Coo: AI Baby Tracker
Built for both partners
Free
💪 Health & Fitness
(0)
18
Zaspa: Baby Tracker
Zaspa: Baby Tracker
Zaspa: Baby Tracker
by Siarhei Petrashka
Free

Track your baby's daily activities like feeding, sleep, and diaper changes with this intuitive organizer. Gain insights into your child's patterns with detailed summaries and visual analytics. Smart reminders and multi-device sync help busy parents stay organized.

Log feeding, sleep, and diaper changesTrack baby's weight and growthTimeline and summaries of activities
💪 Health & Fitness
(1)
free
19
All About Baby: Baby Tracker
All About Baby: Baby Tracker
All About Baby: Baby Tracker
Feed, Sleep & Task Tracker
Free
💪 Health & Fitness
(0)
20
DTE Baby Tracker
DTE Baby Tracker
DTE Baby Tracker
Baby logs for busy parents
Free
💪 Health & Fitness
(0)

FAQ about Baby Size Tracker

What are the best baby size tracker apps for iPhone?
Pregnancy Baby Tracker - WTE tops our baby size tracker apps ranking as of August 2026, with a 4.9-star average from 378K App Store ratings, and it's free to download.
Yes — 20 of the top baby size tracker apps we rank are free to download, including Pregnancy Baby Tracker - WTE and Coconut Baby: Track Pregnancy.
Pregnancy Baby Tracker - WTE shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ baby size tracker 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.

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