Eve Day

Your Complete Health Companion

Cycle tracking, fertility insights, pregnancy mode, and AI-powered predictions - all in one beautifully designed, 100% private app.

Available on iOS

🔒 100% Private

🧠 AI-Powered

💜 PCOS/Endo Support

🌟 Free, No Ads

See Eve Day in Action

A beautifully designed experience for your health journey

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Eve Day Insights - AI-powered predictions

AI Insights

Everything You Need, In One App

From period tracking to pregnancy - Eve Day grows with you through every phase of your health journey.

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Cycle & Symptom Tracking

Track your period, flow levels, mood, sleep, stress, and 20+ symptoms. See patterns emerge and understand your body better than ever.

Learn more →

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Fertility & Conception

LH tests, BBT charting, cervical mucus tracking, conception probability, and two-week wait support. Everything TTC couples need.

Explore fertility →

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Pregnancy Mode

Track your journey with week-by-week milestones, symptom logging, due date countdown, and trimester progress visualization.

View pregnancy features →

AI That Learns Your Patterns

7-day pain forecasts and personalized insights powered by on-device machine learning

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Smart Pain Predictions

Get accurate pain forecasts up to 7 days in advance. Our AI learns from YOUR unique patterns to help you plan ahead and take preventive measures before pain strikes.

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Relief Tracking

Track medications, heat therapy, exercise, and rest. Discover what actually works for your body with personalized effectiveness scores.

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Pattern Discovery

Receive alerts when lifestyle factors like poor sleep or high stress may trigger symptoms. Understand the connections between your habits and how you feel.

Built for Your Body

Specialized support for PCOS, endometriosis, and adenomyosis - because one size doesn't fit all

💜 PCOS Support

Irregular cycles? Our AI adapts to your unique patterns, tracking symptoms like bloating, fatigue, and mood changes. Get predictions that actually work for you.

PCOS Tracker Features →

💙 Endometriosis Support

Track endo-specific symptoms, pain locations, and discover what brings relief. Generate comprehensive reports to share with your healthcare provider.

Endo Tracker Features →

💛 Adenomyosis Support

Monitor heavy bleeding, cramping patterns, and symptom severity. Our condition-specific insights help you stay ahead of flare-ups.

Learn More →

💚 Regular Cycles

Even without a condition, get valuable insights into your unique cycle patterns, ovulation predictions, and symptom correlations.

Cycle Tracking →

Comprehensive Tracking

Everything you need to understand your health in one place

📅 Period & Flow

🎯 Pain Predictions

🧬 LH & Ovulation

🌡 BBT Charting

👶 Pregnancy Mode

💊 Medications

😊 Mood & Symptoms

💤 Sleep & Stress

📄 Health Reports

💜 Condition Support

🔒 100% Private

🔔 Smart Reminders

Your Privacy Comes First

Your health data is deeply personal. Eve Day keeps it that way. All your data stays on your device - no cloud sync, no servers, no tracking. Just you and your data, exactly how it should be.

100% On-Device Processing

No Cloud Storage

No Data Collection

No Account Required

Works Offline

Learn more about our privacy approach →

Share With Your Healthcare Provider

Generate comprehensive PDF health reports with your cycle patterns, pain history, symptom correlations, fertility tracking data, and lifestyle factors. Make every appointment more productive with data that tells your story.

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Why Choose Eve Day?

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Advanced Machine Learning

Sophisticated AI predictions that run entirely on your device - no internet required. Your privacy is guaranteed.

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Beautifully Designed

A thoughtfully crafted interface that makes health tracking feel effortless and even enjoyable.

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Gets Better Over Time

The more you use Eve Day, the better it understands your unique patterns and provides personalized insights.

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Evidence-Based

Built with input from people living with chronic conditions. Real solutions for real challenges.

Ready to Understand Your Body?

Start tracking in under 30 seconds - no account required

100% free. No subscription. No ads. No data collection.