Period Tracker

Period Tracker is a period and ovulation tracker designed with privacy at its core. All data is stored locally on your device and protected with AES-256 encryption.

CYCLE TRACKING

• Log periods with one tap and get predictions that improve over time

• Track ovulation and fertile windows based on published medical research (Wilcox et al.)

• View your cycle on a calendar with color-coded phases

• Record 70+ symptoms across 9 categories including pain, mood, body, and sleep

PREGNANCY MODE

• Switch to pregnancy tracking with week-by-week milestones

• See your due date, trimester progress, and baby size comparisons

• Log pregnancy-specific symptoms like morning sickness and baby kicks

HEALTH INSIGHTS (Pro)

• Cycle length and period length trend charts

• Basal body temperature (BBT) tracking and graphing

• Weight tracking with trend visualization

• Export your data as CSV or PDF health report

PRIVACY BY DESIGN

• All data encrypted with AES-256 via Android KeyStore

• Completely offline — no servers, no accounts, no data collection

• PIN and biometric lock to protect the app

• Decoy mode: enter a different PIN to show a calculator instead of your data

• Screenshot protection enabled by default

• Delete all data instantly with one tap

FEATURES

• 25 languages supported

• 6 theme colors to choose from

• Dark mode

• Home screen widget showing your cycle day

• Customizable notification text for discreet reminders

• Period, ovulation, and medication reminders

IMPORTANT

This app is a tracking and estimation tool. It is not a medical device. Do not use it as your sole method of contraception. Consult a healthcare provider for medical decisions.