About SynastryChart
Unlocking cosmic connections in relationships and locations
Our Mission
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.
What We Offer
Synastry Chart Analysis
Compare two birth charts to analyze relationship compatibility. Our synastry calculator examines planetary aspects between partners to reveal strengths, challenges, and cosmic connections.
Coming SoonAstrocartography Maps
Generate 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 NowSwiss Ephemeris Accuracy
Our calculations use the Swiss Ephemeris library, ensuring astronomical precision for all 10 major planets in both synastry and astrocartography analysis.
5D Compatibility Analysis
Advanced synastry reports analyze five key dimensions: Emotional connection, communication, romance, passion, and long-term growth potential.
Coming SoonOur Story
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:
- Free to Start - Core features available at no cost
- Astronomically Accurate - Using Swiss Ephemeris calculations
- Easy to Use - Intuitive interface for beginners and experts
- Mobile-Friendly - Works seamlessly on all devices
- Privacy-Focused - Your birth data is processed securely
- Comprehensive - Synastry charts + Astrocartography in one platform
Our Technology
SynastryChart is built with cutting-edge web technologies:
Next.js 14
React Framework
Swiss Ephemeris
Astronomical Engine
Mapbox GL
Interactive Maps
TypeScript
Type Safety
Python
Calculations
Vercel
Global CDN
Our Values
Accuracy
We use professional-grade astronomical calculations to ensure the highest accuracy.
Accessibility
Astrocartography should be available to everyone, regardless of budget or technical expertise.
Privacy
Your birth information is processed in real-time and never permanently stored.
Education
We provide comprehensive interpretations and educational content to help you understand astrocartography.
Looking Forward
We're constantly working to improve SynastryChart and add new features. Our roadmap includes:
- Synastry Chart Calculator - Full dual birth chart comparison (launching soon!)
- 5-Dimensional Compatibility Analysis - Detailed relationship insights
- Composite Charts - Analyze the relationship as its own entity
- Paran Lines - Advanced astrocartography planetary crossings
- Transit Analysis - Both synastry and astrocartography transits
- PDF Report Exports - Professional-grade downloadable reports
- Saved Charts & Comparisons - User accounts with unlimited storage (Pro)
- Mobile Apps - iOS and Android native applications
Ready to Explore Your Cosmic Connections?
Start with our free astrocartography map, with synastry chart analysis coming soon!