Know Your Cycle.
Own Your Health.
Privacy-first period tracking with AI-powered predictions. Understand your body with 90%+ accuracy, completely on your device.
Privacy-first period tracking with AI-powered predictions. Understand your body with 90%+ accuracy, completely on your device.
Your health data is personal. Shark keeps it private, accurate, and entirely yours.
Powerful features wrapped in a beautiful experience that respects your privacy.
All your health data stays on your device. No servers, no sharing, no compromises. Optional encrypted iCloud sync keeps you in complete control. Your cycle data is yours alone.
Core ML-powered predictions with 90%+ accuracy. Our on-device AI learns your unique patterns for personalized forecasts.
Log cramps, mood, energy, and more. Discover patterns between your symptoms and cycle phases.
Seamlessly integrate with Apple Health. Export your data while keeping everything secure and private.
Beautiful visualizations help you understand your cycle. Track trends over time, identify irregularities, and get personalized insights about your health patterns.
Visual cycle calendar with predictions, fertile windows, and period tracking all in one beautiful view.
Our Core ML models learn your unique patterns for highly accurate, personalized predictions.
Getting started takes less than a minute. Here's how Shark helps you understand your cycle.
Track your period, symptoms, and mood with just a few taps. Quick and easy daily logging.
Our AI analyzes your data to find patterns and predict your next period with 90%+ accuracy.
Get personalized insights, understand your body better, and feel confident about your cycle.
No credit card required. Try everything free for 7 days.
Take control of your health with AI-powered predictions that stay completely private. Download Shark free today.