Simple Period tracker

Simple Period Tracker is a private period tracker and period calendar for your menstrual cycle. Log your period, see the date of your next period, and keep all your data on your phone. No account, no sign-up, no ads.

TRACK YOUR PERIOD
• Log period days on the calendar with flow level: light, medium or heavy
• Add a note to any day in your period log
• Edit or remove any entry at any time

PERIOD PREDICTION
• Predicts your next three periods and marks them on the period calendar
• Shows how many days are left until your next period
• Predictions use your last period start date and your own cycle length and period length
• Defaults to a 28-day menstrual cycle and a 5-day period; change both in settings

CYCLE TRACKER
• Current cycle day shown at the top of the screen
• A cycle bar showing each day of your current cycle, with logged period days highlighted
• Select any date to see which cycle day it was

MONTH AND YEAR CALENDAR
• Monthly period calendar with markers for period days, predicted days, today and notes
• Year view showing your period history twelve months at a time
• Week starts on Monday or Sunday

PRIVATE AND OFFLINE
• No account, no registration, no sign-in
• Your menstrual cycle data is stored only on your device
• Works offline, without an internet connection
• No ads

BACKUP AND RESTORE
• Back up your period tracker data to a file you keep
• Restore your data on the same phone or a new one
• Each backup is verified before it is restored

THEMES
• Ten color themes, including Dark and High Contrast
• Follows your system dark mode, or choose a fixed theme

Predictions are estimates based on the values you enter. Simple Period Tracker is not a method of contraception and does not replace medical advice.

Recent changes:
• Fresh new design across the whole app
• 11 themes, including Plum Noir, Sage & Rose and High Contrast
• See your cycle day and next period right on the calendar
• Choose whether your week starts on Monday or Sunday