Best Pregnancy Calculator Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated October 2026

Out of 249+ pregnancy calculator 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 Pregnancy Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Calculators ProPregnancy Calculators ProFreeโ€”YesNoMay 2026
2Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8โ˜… (75K)YesYesOct 2026
3FAST Pregnancy CalculatorFAST Pregnancy CalculatorFree4.0โ˜… (5)NoNoAug 2026
4Pregnancy Tracker App - WTEPregnancy Tracker App - WTEFree4.9โ˜… (380K)YesNoOct 2026
5Pregnancy Calculator & TrackerPregnancy Calculator & TrackerFree5.0โ˜… (3)YesNoOct 2026
6Pregnancy App.Pregnancy App.Free4.9โ˜… (23K)YesNoOct 2026
7Pregnancy Calculator & DiaryPregnancy Calculator & DiaryFree4.6โ˜… (355)YesYesOct 2026
8BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9โ˜… (298K)YesNoOct 2026

Top Picks for Pregnancy Calculator

Pregnancy + | Tracker App#2

Pregnancy + | Tracker App by Philips Digital UK Limited

Pregnant? Join over 80m moms!
Strong Contender
๐Ÿฅ Medical
4.8๐Ÿ˜Š(75K ratings)
FreeAdsIn-App Purchases
#5in 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

  • ๐Ÿš€ Excellent pregnancy tracking app
  • ๐Ÿ‘ Informative and useful features
  • ๐Ÿ’ก Realistic 3D baby visuals
  • ๐Ÿ‘ Helpful weekly updates and articles
  • ๐Ÿ‘ Convenient appointment and weight tracking
  • ๐Ÿ‘ Seamless transition to Baby+ app

Room to Improve

  • ๐Ÿ› Inaccurate due date and week calculations
  • ๐Ÿ› Bugs with loading articles and content
  • ๐Ÿ’ฐ Paywall after 14 weeks
  • ๐Ÿคทโ€โ™€ Lack of customization and personalization
  • ๐Ÿคทโ€โ™€ Limited support for twin/multiple pregnancies
FAST Pregnancy Calculator#3

FAST Pregnancy Calculator by Onur Ince

For Healthcare Professionals
Worth Considering
๐Ÿฅ Medical
4.0(5 ratings)
Free
FAST Pregnancy Calculator screenshot 1
FAST Pregnancy Calculator screenshot 2
FAST Pregnancy Calculator screenshot 3
FAST Pregnancy Calculator screenshot 4
FAST Pregnancy Calculator screenshot 5

This medical app helps healthcare professionals quickly calculate pregnancy gestation weeks using last menstrual period dates or ultrasound scan data. It provides pregnancy progress information and is designed for busy medical staff.

More Pregnancy Calculator apps to explore

FAQ about Pregnancy Calculator

Are there free pregnancy calculator apps for iPhone?
Yes โ€” 20 of the top pregnancy calculator apps we rank are free to download, including Pregnancy Calculators Pro and Pregnancy + | Tracker App.
Pregnancy Calculators Pro shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ pregnancy calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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