This app calculates estimated due dates for pregnancy, particularly for those undergoing fertility treatments like embryo transfer or IUI. It can also determine due dates based on ovulation or natural conception.

243+ iOS apps curated and reviewed
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.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (13) | No | No | May 2026 | ||
| 2 | Free | 4.8★ (90K) | No | No | Oct 2026 | ||
| 3 | Free | 5.0★ (1) | Yes | Yes | Aug 2026 | ||
| 4 | Free | 5.0★ (5) | No | No | Jul 2026 | ||
| 5 | Free | 4.4★ (611) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.5★ (2.7K) | No | Yes | Oct 2026 | ||
| 7 | Free | — | Yes | No | Jul 2026 | ||
| 8 | Free | — | Yes | No | May 2026 |

This app calculates estimated due dates for pregnancy, particularly for those undergoing fertility treatments like embryo transfer or IUI. It can also determine due dates based on ovulation or natural conception.






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.






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.