223+ iOS apps curated and reviewed
The best age calculator gestational apps on iPhone average 4.5★ across 223+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This app helps healthcare professionals quickly calculate gestational age, estimate due dates, and track prenatal care. It offers tools for monitoring pregnancy progress, including clinical charts, fetal weight estimation, and patient history organization.
Calculate your precise age in various units of time, from years down to seconds. Save ages, find remaining time until your next birthday, and use it for various counting needs like birthdays or pets.
Calculate your exact age in various units like months, days, hours, minutes, and seconds. This app also includes a BMI calculator for additional health insights.
This app is a comprehensive obstetrics calculator that provides detailed pregnancy information. It offers flexible input options and displays thorough results including estimated due dates, gestational ages, and fetal growth estimates.
This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.
This medical app calculates gestational age based on information from leading health organizations. It provides pregnancy development insights but is not a substitute for professional medical advice or diagnosis.
This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.
This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
Quickly determine a person's chronological age with this straightforward calculator. It automatically computes age upon entering a birth date and can also calculate age for a past date.
This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.
Calculate age precisely to the second and explore fascinating time-related facts. Manage family birthdays with profiles and enjoy live countdowns to upcoming celebrations. It's a fun and informative way to engage with your personal timeline.
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.
Track your pregnancy week by week, from conception to your baby's newborn stage. Get daily updates on your baby's growth, changes in your body, and helpful tips. Features include contraction timing, kick counting, and a personal diary.
Easily calculate your precise age in years, months, and days. This flexible and user-friendly tool provides real-time results and works seamlessly across all supported devices.
This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.
This medical tool assists healthcare professionals in prenatal care by calculating gestational age, fetal weight, and risk tables. It offers a comprehensive suite of calculators for EDD, LMP, conception dates, and ultrasound biometrics, replacing multiple apps and physical wheels.
This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.
This app accurately calculates time-related tasks, including working hours, durations between dates, and age. It offers a user-friendly interface with dark mode and offline functionality, allowing for easy time management for work and personal life.
Easily calculate age and date differences in years, months, and days. It also computes total months, weeks, days, hours, and minutes between any two dates. Share your calculation results with others.