Best Pregnancy Calculator Apps

247+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated November 2026

Out of 247+ pregnancy calculator 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 Pregnancy Calculator Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pregnancy Calculators ProPregnancy Calculators ProFree—YesNoMay 2026
2FAST Pregnancy CalculatorFAST Pregnancy CalculatorFree4.0★ (5)NoNoOct 2026
3Pregnancy Calculator & TrackerPregnancy Calculator & TrackerFree4.0★ (6)YesNoOct 2026
4Pregnancy + | Tracker AppPregnancy + | Tracker AppFree4.8★ (77K)YesYesNov 2026
5Pregnancy Tracker App - WTEPregnancy Tracker App - WTEFree4.9★ (381K)YesNoNov 2026
6Pregnancy Calculator & DiaryPregnancy Calculator & DiaryFree4.6★ (356)YesYesNov 2026
7Pregnancy App.Pregnancy App.Free4.9★ (23K)YesNoNov 2026
8BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (299K)YesNoNov 2026

Top Picks for Pregnancy Calculator

FAST Pregnancy Calculator#2

FAST Pregnancy Calculator by Onur Ince

For Healthcare Professionals
Strong Contender
🏥 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 — 19 of the top pregnancy calculator apps we rank are free to download, including Pregnancy Calculators Pro and FAST Pregnancy Calculator.
Pregnancy Calculators Pro shows ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 247+ pregnancy calculator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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