Best Due Date Calculator Fertility Apps

243+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated October 2026

The best due date calculator fertility apps on iPhone average 3.8★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Due Date Calculator Fertility Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Due Date Calculator: FertilityDue Date Calculator: FertilityFree4.6★ (13)NoNoMay 2026
2Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoOct 2026
3Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesAug 2026
4IVF Pregnancy CalculatorIVF Pregnancy CalculatorFree5.0★ (5)NoNoJul 2026
5Period & Ovulation CalculatorPeriod & Ovulation CalculatorFree4.4★ (611)YesYesOct 2026
6Ovulation & Fertility TrackerOvulation & Fertility TrackerFree4.5★ (2.7K)NoYesOct 2026
7EDD - EGA calculatorEDD - EGA calculatorFree—YesNoJul 2026
8Pregnancy Calculators ProPregnancy Calculators ProFree—YesNoMay 2026

Top Picks for Due Date Calculator Fertility

Ovia Cycle & Pregnancy Tracker#2

Ovia Cycle & Pregnancy Tracker by Ovuline, Inc.

Fertility, Ovulation, & Period
Strong Contender
🏥 Medical
4.8😊(90K ratings)
Free
Ovia Cycle & Pregnancy Tracker screenshot 1
Ovia Cycle & Pregnancy Tracker screenshot 2
Ovia Cycle & Pregnancy Tracker screenshot 3
Ovia Cycle & Pregnancy Tracker screenshot 4
Ovia Cycle & Pregnancy Tracker screenshot 5
Ovia Cycle & Pregnancy Tracker screenshot 6

Track your menstrual cycle, fertility, pregnancy, postpartum recovery, and menopause with personalized insights and expert articles. This app offers tools for ovulation prediction, baby growth tracking, and symptom management.

What We Love

  • 🚀 Excellent app
  • 👍 Comprehensive tracking
  • 💡 Helpful for TTC
  • 👍 Accurate predictions
  • 👍 Informative articles

Room to Improve

  • 🐛 Glitched/not working
  • 🐛 Inaccurate predictions
  • 💡 Need option to track miscarriage
  • 💡 Too pregnancy-focused
  • 🐛 Lost user data
5.0(1 ratings)
FreeAdsIn-App Purchases
Obstetrics Calculator screenshot 1
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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 Fertility apps to explore

FAQ about Due Date Calculator Fertility

What are the best due date calculator fertility apps for iPhone?
Due Date Calculator: Fertility tops our due date calculator fertility apps ranking as of October 2026, with a 4.6-star average from 13 App Store ratings, and it's free to download.
Yes — 19 of the top due date calculator fertility apps we rank are free to download, including Due Date Calculator: Fertility and Ovia Cycle & Pregnancy Tracker.
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 243+ due date calculator fertility apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.