3.0.19
Sep 28, 2026 · seen Oct 1, 2026
3.0.18
Jun 18, 2026 · seen Sep 27, 2026
PeakDay Fertility Tracker is a health & fitness app by Fertility Science Institute with 500,000+ downloads (about 517K estimated). +21K installs in the last 7 days. Rated 3.6 from 794 ratings. Released Feb 21, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “Quickly record your daily fertility signs or symptoms, like basal body temperature and cervical mucus. Record up to 60 custom fields, like nutrition or emotional symptoms. PeakDay provides you with an easy way to chart your cycle and connect with a community to ask questions. You can also use PeakDay to share charts.…”