Two charts · one relationship field

Live native compatibility calculator beta

Synastry & Composite

Compare two complete natal charts, reveal mutual house overlays and inter-chart aspects, then calculate the midpoint composite chart formed between them.

Compare Two ChartsBack to All Apps
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Your active Cosmic Profile loads as Person A. Choose any other saved Cosmic Profile for Person B, or enter someone manually without replacing your active profile.

Synastry comparison

See how two charts contact and activate.

  • Inter-chart planetary and angle aspects ranked by orb
  • Emotional, communication, chemistry, commitment, growth, and intensity categories
  • Two-way house overlays for every planet
  • A readable bi-wheel with both natal charts

Composite relationship chart

Meet the relationship as a symbolic third entity.

  • Circular midpoint planets and angles
  • Clearly labeled Equal Composite Houses
  • Composite Sun, Moon, Rising, Venus, Mars, and Saturn
  • Complete charts with a protected deeper interpretation

Native relationship astrology

Reveal how two charts meet, challenge, and support.

Native relationship astrology

Enter two birth profiles

Person A

Your primary profile

A

Person B

Partner or connection

B
Log in to choose from your saved profiles, or enter Person B manually.
This controls each birth chart and shows which areas of life each person activates for the other. The relationship chart uses a stable midpoint method.

The visual charts and plain-English summary are included. Premium access adds the complete relationship interpretation.

Continue exploring

Return to the individual charts behind the relationship.

Tropical AstrologyTiming DashboardHuman DesignMy Cosmic Profile