Best Fast Pregnancy Calculator Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

FAST Pregnancy Calculator is the household name in fast pregnancy calculator, 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 Fast Pregnancy Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FAST Pregnancy CalculatorFAST Pregnancy CalculatorFree4.0★ (5)NoNoAug 2026
2Pregnancy App.Pregnancy App.Free4.9★ (23K)YesNoOct 2026
3Pregnancy Guide and CalculatorPregnancy Guide and CalculatorFree—NoNoMay 2026
4Calculator‰Calculator‰Free4.9★ (409K)YesNoOct 2026
5Pregnancy CalcPregnancy CalcFree—NoNoMay 2026
6EDD - EGA calculatorEDD - EGA calculatorFree—YesNoJul 2026
7BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (298K)YesNoOct 2026
8Pregnancy Due Date Quickly Calculator - Pregnant,Baby Tracker,Countdown Birth CalendarPregnancy Due Date Quickly Calculator - Pregnant,Baby Tracker,Countdown Birth CalendarFree1.0★ (4)NoNoSep 2026

Top Picks for Fast Pregnancy Calculator

FAST Pregnancy Calculator#1

FAST Pregnancy Calculator by Onur Ince

For Healthcare Professionals
Editor's Choice
🏥 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.

Pregnancy App.#2

Pregnancy App. by Amila Tech Limited

Start tracking your pregnancy!
Strong Contender
🏥 Medical
4.9😊(23K ratings)
FreeAds
Pregnancy App. screenshot 1
Pregnancy App. screenshot 2
Pregnancy App. screenshot 3
Pregnancy App. screenshot 4
Pregnancy App. screenshot 5
Pregnancy App. screenshot 6

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

  • 👍 User-friendly layout
  • 🚀 Helpful weekly updates
  • 💡 Great tracking features (weight, kicks, contractions)
  • 🌟 Simple and effective
  • 🌟 Informative and reassuring
  • 🌟 Reliable data and advice

Room to Improve

  • 🐛 Inaccurate trimester/week calculations
  • 🐛 Inconsistent data sync/retention
  • 💬 Tone can be condescending or trigger body image issues
  • 🌐 Lack of diversity in visuals
  • 🔍 Missing features for multiple pregnancies/twins

More Fast Pregnancy Calculator apps to explore

FAQ about Fast Pregnancy Calculator

What are the best fast pregnancy calculator apps for iPhone?
FAST Pregnancy Calculator tops our fast pregnancy calculator apps ranking as of October 2026, with a 4.0-star average from 5 App Store ratings, and it's free to download.
Yes — 19 of the top fast pregnancy calculator apps we rank are free to download, including FAST Pregnancy Calculator and Pregnancy App..
FAST Pregnancy Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ fast pregnancy calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.