50+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

FREE Period Tracker & Fertility Calendar - Your Health Data Stays Private

CycleFlow is a free menstrual cycle and ovulation tracker that puts your privacy first. Track periods, predict fertile days, monitor symptoms, and manage your reproductive health—all with complete data privacy and offline functionality.

🔒 TRUE PRIVACY - YOUR DATA NEVER LEAVES YOUR DEVICE

Unlike other period tracking apps, CycleFlow guarantees complete privacy:

• No Account Required - Start tracking immediately
• Military-Grade Encryption - AES-256 protection
• Zero Data Collection - No analytics or third-party access
• Works Completely Offline - No internet needed
• No Cloud Storage - Everything stays on your device
• GDPR Compliant - European privacy standards

Your menstrual health data belongs to you, not advertisers.

📱 COMPLETE PERIOD & FERTILITY TRACKING

MENSTRUAL CYCLE TRACKING
• One-tap period logging with flow intensity
• Automatic cycle length calculation
• Period history and calendar view
• Cycle regularity analysis
• Average period length tracking

OVULATION & FERTILITY
• Fertile window predictions
• Ovulation day calculator
• Conception probability tracking
• Fertility calendar with visual indicators
• Perfect for natural family planning

SYMPTOM & MOOD TRACKING
• Log physical symptoms (cramps, bloating, headaches)
• Track emotional changes (mood, anxiety, energy)
• Monitor intimate activity
• Add custom symptoms with intensity levels
• Historical symptom patterns

SMART PREDICTIONS
• AI-powered period predictions based on your history
• Next period date forecasts
• Confidence levels for predictions
• Adapts to your unique cycle patterns
• Medical accuracy following gynecological guidelines

INSIGHTS & ANALYTICS
• Cycle statistics and patterns
• Average, shortest, and longest cycles
• Total cycles tracked
• Fertility trends and health insights

📊 DATA CONTROL & BACKUP

• Full data export (JSON & CSV formats)
• Easy import from backups
• Transfer data between devices
• One-click data deletion
• Complete control over your information

🌍 AVAILABLE IN 33 LANGUAGES

English, Croatian, Slovenian, Spanish, German, French, Portuguese, Italian, Polish, Russian, Ukrainian, Czech, Arabic, Hindi, Bengali, Chinese (Simplified & Traditional), Japanese, Korean, Indonesian, Malay, Thai, Vietnamese, Hebrew, Greek, Turkish, Persian, Romanian, Dutch, Swedish, Danish, Norwegian, Finnish.

Automatic language detection with manual override option.

✨ WHY WOMEN CHOOSE CYCLEFLOW

COMPLETELY FREE - No costs, paywalls, or subscriptions
NO ADVERTISEMENTS - Clean interface without ads
NO DATA SELLING - Your health data stays private
MEDICALLY ACCURATE - Evidence-based predictions
BEAUTIFUL DESIGN - Minimalist modern interface
FAST & RELIABLE - Smooth on all devices
REGULAR UPDATES - Always improving

💪 PERFECT FOR

• Women concerned about health data privacy
• Natural family planning and contraception tracking
• Trying to conceive or pregnancy planning
• Understanding your menstrual cycle patterns
• Managing PMS and hormonal symptoms
• Teenagers learning about their cycles
• Anyone wanting a simple, honest period tracker

🩺 MEDICAL DISCLAIMER

CycleFlow is for menstrual tracking and fertility awareness. NOT a contraceptive method or medical diagnostic tool. Consult healthcare professionals for medical advice. Predictions are estimates that may vary based on stress, diet, exercise, and hormonal changes.

🌊 DOWNLOAD CYCLEFLOW TODAY

Join thousands of women who trust CycleFlow for private, accurate period and fertility tracking. Take control of your reproductive health without compromising your privacy.

FREE • PRIVATE • ENCRYPTED • OFFLINE

Track your natural flow without compromising your privacy.

cycleflowapp.com
Updated on
Jan 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

- Improved database migrations
- Enhanced language switching
- Edge-to-edge display support