Best Due Date Calculator Apps

244+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Looking for free due date calculator apps? 20 of our 244+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Due Date Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Due Date Calculator: FertilityDue Date Calculator: FertilityFree4.6★ (13)NoNoMay 2026
2Pregnancy Tracker App - WTEPregnancy Tracker App - WTEFree4.9★ (380K)YesNoOct 2026
3Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesOct 2026
4Pregnancy Tracker: Due DatePregnancy Tracker: Due DateFree4.5★ (2)YesYesSep 2026
5iPregli-DueCalc+iPregli-DueCalc+Free—NoNoOct 2026
6Pregnancy Due Dates CalculatorPregnancy Due Dates CalculatorFree—NoNoMay 2026
7BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (298K)YesNoOct 2026
8OB Wheel Due Date CalculatorOB Wheel Due Date CalculatorFree—NoYesSep 2026

Top Picks for Due Date Calculator

Pregnancy Tracker App - WTE#2

Pregnancy Tracker App - WTE by Everyday Health, Inc.

Track Baby's Weekly Growth
Strong Contender
🏥 Medical
4.9😊(380K ratings)
FreeAds
#29in Medical
Pregnancy Tracker App - WTE screenshot 1
Pregnancy Tracker App - WTE screenshot 2
Pregnancy Tracker App - WTE screenshot 3
Pregnancy Tracker App - WTE screenshot 4
Pregnancy Tracker App - WTE screenshot 5
Pregnancy Tracker App - 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
  • 👍 Accurate and informative
  • 👍 Comprehensive features
  • 👍 Valuable resource for first-time moms

Room to Improve

  • 🐛 Freezing and lagging issues
  • 🔍 Inaccurate baby size comparisons
  • 💬 Toxic and unsupportive community
  • 🚫 Excessive ads and notifications
  • 🚫 Outdated or biased information
  • 🚫 Gender-specific language and assumptions
5.0(1 ratings)
FreeAdsIn-App Purchases
Obstetrics Calculator screenshot 1
Obstetrics Calculator screenshot 2
Obstetrics Calculator screenshot 3
Obstetrics Calculator screenshot 4
Obstetrics Calculator screenshot 5
Obstetrics Calculator screenshot 6

This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.

More Due Date Calculator apps to explore

FAQ about Due Date Calculator

What are the best due date calculator apps for iPhone?
Due Date Calculator: Fertility tops our due date calculator apps ranking as of October 2026, with a 4.6-star average from 13 App Store ratings, and it's free to download.
Yes — 20 of the top due date calculator apps we rank are free to download, including Due Date Calculator: Fertility and Pregnancy Tracker App - WTE.
Due Date Calculator: Fertility has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 244+ due date 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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