Unlocking cosmic connections in relationships and locations
SynastryChart was created to make professional-grade relationship astrology accessible to everyone. We believe that understanding cosmic connections between people—and how planetary energies manifest across different locations—can provide valuable insights for relationships, personal growth, and decision-making.
Our primary focus is synastry chart analysis for relationship compatibility, complemented by our powerful astrocartography mapping tool to help you discover ideal locations worldwide.
Compare two birth charts to analyze relationship compatibility. Our synastry calculator examines planetary aspects between partners to reveal strengths, challenges, and cosmic connections.
Available NowGenerate unlimited astrocartography maps using Swiss Ephemeris - the same astronomical calculation system used by professional astrologers worldwide. Find your best places to live and travel.
Available NowOur calculations use the Swiss Ephemeris library, ensuring astronomical precision for all 10 major planets in both synastry and astrocartography analysis.
Advanced synastry reports analyze five key dimensions: Emotional connection, communication, romance, passion, and long-term growth potential.
SynastryChart was born from a passion for relationship astrology and a desire to democratize access to professional-grade astrological tools. We recognized that while synastry analysis and astrocartography can be incredibly insightful, most online tools were either expensive, inaccurate, or difficult to use.
We're building a comprehensive platform that helps you understand both your relationships and your ideal locations. Our team combines expertise in astrology, software development, and user experience design to create tools that are:
We use professional-grade astronomical calculations to ensure the highest accuracy.
Astrocartography should be available to everyone, regardless of budget or technical expertise.
Your birth information is processed in real-time and never permanently stored.
We provide comprehensive interpretations and educational content to help you understand astrology.
We're constantly working to improve SynastryChart and add new features. Our roadmap includes:
Start with our free synastry calculator or astrocartography map!