Lunear Period & Cycle Tracker

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About this app

Lunear – Period & Cycle Tracker for Every Stage

Meet Lunear, a personalized period and cycle tracker for logging periods, symptoms, moods, and cycle patterns. Whether you have regular or irregular cycles, are trying to conceive, pregnant, or navigating perimenopause, Lunear adapts with tailored tracking, predictions, insights, and privacy features.

🌙 4 Adaptive Cycle Modes

• Regular: Track your cycle with estimates for your next period, fertile window, and ovulation.
• Trying to Conceive (TTC): Focus on your estimated fertile window and ovulation timing.
• Pregnancy: Follow pregnancy week, trimester, estimated due date, and progress.
• Perimenopause: Track changing cycles with more flexible predictions.


🩸 Period, Symptom & Mood Tracking

• Log flow as none, light, medium, or heavy.
• Track cramps, headache, bloating, fatigue, acne, backache, nausea, and tenderness.
• Record moods and personal notes.
• Support for regular and irregular cycles.


📅 Calendar, Predictions & Insights

View period days, predicted periods, estimated fertile days, ovulation, and logged entries in a color-coded calendar. Review cycle history, average cycle and period lengths, recent cycles, and frequently logged symptoms.

Set period reminders and fertile-window alerts for upcoming estimated cycle events.

🤖 Ask Lunear – AI Cycle Assistant

Ask informational questions about your cycle, symptoms, mood, period timing, fertile window, or ovulation. When cycle data is available, Lunear can use your tracking context for more relevant responses.

Guests and free registered users receive 3 complimentary AI chats. Premium unlocks unlimited chats.

AI responses are informational and do not replace professional medical advice.


📊 Personalized Insights

Review cycle statistics and symptom trends. Premium users can access AI-personalized insights that summarize recorded cycle, symptom, and mood patterns in clear language.

🔐 Privacy-Focused

• Guest Mode: Start tracking without creating an account.
• App Lock: Use supported biometric authentication or a 4-digit PIN.
• Hidden Notifications: Hide sensitive cycle details.
• Discreet App Icon: Choose an alternative icon for added privacy.


📄 Doctor Report

Premium users can create a printable PDF summarizing recorded cycle history, flow, symptoms, mood, notes, and symptom frequency for the last 3 months, 6 months, or all available history.


🌍 Available in 5 Languages

English • Español • Français • Português • Deutsch

✨ Lunear Premium

• Unlimited AI chats
• AI-personalized insights
• Printable Doctor Reports
• Encrypted cloud backup
• Ad-free experience
• Priority support


Premium is currently offered at $2.99/month or $29.99/year. Pricing and availability may vary by region.

Why Lunear?

✓ Period & cycle tracking
✓ Ovulation & fertile-window estimates
✓ Symptom, mood & flow logging
✓ Regular & irregular cycle support
✓ TTC, Pregnancy & Perimenopause modes
✓ AI assistant & personalized insights
✓ Privacy features & Doctor Reports


Track your cycle. Understand your patterns. Feel more in control with Lunear.


Lunear is a cycle-tracking and informational tool, not a substitute for professional medical advice, diagnosis, or treatment. Period, fertile-window, and ovulation predictions are estimates and should not be relied upon as contraception.


Download the app for FREE now!
Track cycles, TTC, pregnancy, and perimenopause with our smart AI assistant.
Updated on
Sep 25, 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
  • Data isn’t encrypted
  • You can request that data be deleted