Lumen Flow vs Cyca

Lumen Flow is a cycle-synced wellness app that helps you fast, nourish, and move in harmony with your body's natural rhythm. Track your cycle phases, sync your fasting windows, log your mood and energy, and receive personalised food suggestions based on your phase. Features include seasonal backgrounds, moon phase guidance, private journaling through Lumen Mirror, monthly rhythm planner, bowel health tracking, and dietary preference filtering including carnivore mode and allergy support. Men's fasting mode includes testosterone window tracking, morning report, and performance patterns.

Optimized for iPhone Duo. Built with the latest SDK, the app fills the entire inner display and automatically adjusts its layout whether the device is folded or open. Log your period and Cyca estimates your next period, fertile window and ovulation day, all on one calm calendar that adjusts every time you log. A Daily Body Forecast reads where you are in your cycle — energy, mood, skin — and cramps, flow and moods take seconds to log. No account, no cloud: your data stays on your iPhone and works fully offline. YOUR DAILY BODY FORECAST Wake up to a caring daily reading of your energy, mood, skin, and comfort, based on where you are in your cycle — with kind suggestions to plan your day with ease. SMART, PERSONAL PREDICTIONS Cyca learns your unique rhythm to predict your next period, fertile window, and ovulation, and adapts every time you log. A CALENDAR THAT FEELS CALM See your whole cycle at a glance — period days, fertile window, and ovulation in soft, clear color. No clutter, just clarity. LOG IN SECONDS Record flow, cramps, moods, and notes effortlessly, and watch your personal patterns gently appear over time. PERSONAL RHYTHM & SMART PLANNER Personal Rhythm shows how your body tends to move through each phase. The Smart Planner highlights your best and gentlest days, so you can plan life around how you actually feel. DAILY CARE PLAN & PERIOD REMINDERS A daily Care Plan and a gentle heads-up before your period or PMS help you plan ahead and go a little easier on yourself. PRIVATE BY DESIGN Your cycle is yours alone. Cyca has no servers and no account — your data never leaves your device, and the app works fully offline. Privacy isn't a setting here; it's the whole design. YOURS FOREVER, NO SUBSCRIPTION Track today and your period for free. Unlock Cyca Pro once for future predictions, Personal Rhythm, the Smart Planner, full calendar history, and deeper personalization — a single lifetime purchase, never a subscription. Cyca provides wellness and planning estimates and is not a medical device or a form of contraception. Optimized for iPhone Duo.