Flowly: Cycle & Period Tracker

Flowly is the first cycle tracker built for performance. By combining your menstrual cycle data with real-time HRV, wrist temperature, and sleep quality from Apple Watch, Flowly predicts not just your next period — but your cognitive peak, energy windows, and recovery needs for every day of your cycle.

WHAT MAKES FLOWLY DIFFERENT Unlike traditional period trackers, Flowly is built for women who want to understand how their hormones shape their focus, decision-making, creativity, and resilience — not just their fertility.

CYCLE & PERIOD TRACKING • Predict your next period with personalized accuracy • Track irregular cycles with adaptive algorithms • Log symptoms, mood, energy, and flow • Sync with Apple Health for seamless data integration

HRV & BIOMETRIC INSIGHTS (Apple Watch Required)---Works perfectly with or without an Apple Watch. • Read your Heart Rate Variability (HRV) daily • Monitor wrist skin temperature deviation (Series 8+ / Ultra) • Track sleep quality: deep sleep, REM, and total duration • Calibration mode: 7-day baseline for accurate temperature deviation

COGNITIVE PERFORMANCE PREDICTION • 5-dimension radar: Focus · Decision · Creativity · Resilience · Communication • 7-day cognitive forecast based on your cycle phase + HRV • Daily S/A/B/C performance rating on your calendar • Identify your personal peak windows for high-stakes work

SMART DAILY ACTIONS (307 personalized templates) • Phase-matched recommendations for work, movement, nutrition, and recovery • Quiet Mode: triggered automatically when HRV drops below your baseline • 4-7-8 breathing guide for stress recovery • Seed Syncing nutrition protocol by cycle phase

APPLE WATCH INTEGRATION • Watch face complications: HRV, cycle day, temperature, energy score • Smart Stack card with daily phase summary • Morning check-in: 3-question daily log from your wrist • Ultra: one-tap anomaly marking with Action Button

PRIVACY FIRST All data is stored locally on your device. No server uploads. No data selling. Ever.

Note: Flowly is not a medical device and should not be used as contraception. Consult your healthcare provider for medical advice.

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