Private period tracker. Predict cycle, ovulation, fertile days and log symptoms.
Know your cycle. Feel in control.Period Assistant is a calm, private period and menstrual cycle tracker for understanding your body — from your next period and fertile window to the symptoms, moods and daily changes that come with it. No account, no sign-up, and no uploading your health records.🔒 PRIVATE BY DESIGN
• Period, symptom and body records stay safely on your local device.
• No account needed and absolutely no upload of your health records.
• Optional app lock with PIN and biometric (fingerprint/face) unlock.
• Privacy options for notifications and the home-screen widget.📊 CYCLE & OVULATION PREDICTIONS
• See your next period, fertile window and estimated ovulation day at a glance.
• Smart predictions adapt automatically to your own cycle history.
• Calendar with period, predicted, fertile and ovulation days clearly marked.
• Modes for tracking only, trying to conceive, and understanding your natural rhythm.📝 LOG EVERY DETAIL
• Flow intensity, pain levels, mood, symptoms and personal private notes.
• Track weight and basal body temperature (BBT).
• Add custom symptoms tailored to your body.
• Quick daily logging directly from your home screen.📈 UNDERSTAND YOUR PATTERNS (Premium)
• Average cycle length, period length and cycle variation tracking.
• Cycle comparison and symptom-phase insights to discover body trends.
• Visual temperature, weight and pain trends.
• Detailed monthly health report and year overview.💾 REPORTS & BACKUP
• JSON backup and import — free, open, and always available.
• Medical-style PDF report, annual report PDF and CSV export (Premium).
• Encrypted backups and automatic daily backups (Premium).⏰ REMINDERS & WIDGET
• Discreet period and daily logging reminders.
• Fertile window and ovulation reminders (Premium).
• Home-screen widget showing days until your next period.💎 PREMIUM
• Remove all ads completely.
• Unlock advanced insights, health reports, CSV export and encrypted automatic backups.
• Monthly and yearly plans. Subscription automatically renews unless turned off in Google Play at least 24 hours before the end of the current period. Cancel anytime in Google Play.🌍 AVAILABLE IN 16 LANGUAGES
English, 简体中文, 繁體中文, 日本語, 한국어, Español, Français, Deutsch, Русский, Português, Italiano, Türkçe, Tiếng Việt, Bahasa Indonesia, العربية, हिन्दी.⚠️ IMPORTANT DISCLAIMER
Period Assistant is a personal tracking and logging tool, not a medical device. Predictions are estimates based on the information you log and are not a medical diagnosis or a method of contraception. Always consult a qualified healthcare professional for medical advice.