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First release.
A private period journal. No account, your history stays on your phone.
Moonwort is a calm, private period journal. Log a period in one tap, see when the next one is likely, and keep years of history on your phone, encrypted and behind Face ID or a PIN. There are no ads, no account and nothing to sign up for. Coming from another app? Bring your history with you from a spreadsheet file, a list of dates, or an Apple Health export. Quick when you need it - Opens straight to today: the day of your cycle and when the next period is likely. Nothing pops up first, so you can answer "when was your last period?" at the doctor's office in seconds. - Log a start or end in one tap. Add flow, symptoms, mood, notes and basal body temperature when you want to. - A calendar with logged periods, likely periods and the fertile window. Predictions that show their work Estimates come from your own cycles, with a range and a plain explanation of how they were worked out. Leave an unusual cycle out of the averages, or pause predictions during pregnancy, postpartum or any other break. Bring your history - Import a CSV file from another app or a spreadsheet, with column matching and date format detection. - Paste a list of dates. - Read an Apple Health export file, all on your phone. - Optional Health sync reads and writes logged flow, spotting and basal body temperature with Apple Health or Health Connect. It applies to the first profile. Moonwort never writes predictions. You can import available history and disconnect later. - Every import can be undone in one tap. Private by design - No account, no ads, no analytics, no location. - Your journal is stored in an encrypted database on your phone and left out of cloud device backups. - Optional app lock with Face ID, fingerprint or a 6-digit PIN, and a privacy cover in the app switcher. - Discreet mode uses neutral words on screen and in reminders, and you can switch to a plain app icon. - Make an encrypted backup file to move to a new phone. Backups work between iPhone and Android. Also included, all free - Reminders before a period is due, if it is late, and to log. - Profiles, so a parent can keep a journal for a teenager on the same phone. - Insights across your whole history, cycle length and temperature charts. - A PDF summary to bring to an appointment, and CSV export. - Paper themes, light and dark. Everything is free. There is nothing to buy and nothing will ask you to upgrade. Estimates only. Do not use Moonwort for birth control or to prevent pregnancy. Moonwort is not a medical device and does not diagnose any condition.
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Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.