Lumi: Period Tracker

Lumi — Period Tracker, AI Companion & Family Sharing

Meet Lumi, the gentle period tracker that helps you understand your body, feel supported every day, and stay connected with the people you love.

Whether you're tracking your cycle for the first time or you've been doing it for years, Lumi turns your data into clear, calming insights — and gives you a caring AI companion to talk to whenever you need one.

Know your cycle with ease
Log your period in seconds and let Lumi do the rest. See exactly where you are in your cycle at a glance — period, fertile window, ovulation, and PMS — all in one beautiful, easy-to-read view.
• Simple, one-tap period logging
• Accurate predictions for your next period and ovulation
• Clear cycle phases and average cycle length
• A clean calendar to review and edit your history anytime

Your personal AI companion
Say hello to your always-on cycle guide. Ask anything — from "why am I so tired today?" to "what can help with cramps?" — and get warm, thoughtful answers tailored to where you are in your cycle. It's like having a supportive friend who actually understands what you're going through.

Track how you feel
Your cycle is about more than dates. Log your daily mood and start noticing the patterns between how you feel and where you are in your cycle — so nothing catches you off guard.

Gentle reminders, never nagging
Set soft heads-up notifications for your period, fertile window, ovulation, and PMS. Customize the timing and even the message, so you're always one step ahead.

Family sharing, made with love
Cycles are easier when you're not alone. Invite the people you care about into your Family Circle to gently share and support each other.
• Perfect for moms and daughters, sisters, and close friends
• See your loved ones' current phase and mood at a glance
• Give everyone a name you'll recognize
• Care for each other, right from the app

Why you'll love Lumi
• Beautiful, soft design that feels calm — not clinical
• Fast, private, and simple to use
• Insights that actually make sense
• Support that's always there when you need it

Start today and discover a kinder way to know your cycle.

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Lumi offers an optional Premium subscription that unlocks the full experience, including family sharing and your AI companion. Payment is charged to your Apple ID, and your subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel anytime in your App Store settings.

Apple Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms of Use: https://www.synappsai.com/terms-of-use
Privacy Policy: https://www.synappsai.com/privacy-policy