Professional Astrology Software
Made for working astrologers.

A clean workflow for charts, transits, synastry, and ephemerides. Fast results, transparent logic. Any device, any screen.

Interactive Charts

Beautiful, Precise Astrology Charts

High-precision SVG charts with interactive hover states, customizable themes, and detailed planetary positions. Every chart is calculated with astronomical accuracy.

  • Natal, Transits, Synastry, Composite charts
  • Solar and Lunar Return charts
  • Multiple house systems (Placidus, Whole Sign, Koch...)
  • Tropical and Sidereal zodiac options
Chart Data

Complete Chart Analysis

Every chart includes a comprehensive Data tab with all the details you need. Planetary positions, house placements, aspects, and element distributions at your fingertips.

  • Chart highlights with key placements
  • Lunar phase and aspect details
  • Element and quality distribution charts
  • Complete planetary positions table
Transit Analysis

Real-Time Planetary Transits

Overlay current planetary positions on any natal chart. Track how transiting planets interact with natal placements to understand timing and influences.

  • Dual-ring chart with natal and transit positions
  • Aspect lines between transit and natal planets
  • Customizable transit date selection
  • Instant aspect calculations
Aspect Grid

Complete Aspect Overview

View all planetary aspects at a glance with our interactive aspect grid. Quickly identify harmonious and challenging configurations in any chart comparison.

  • Color-coded aspect types (conjunction, trine, square...)
  • Orb values displayed for each aspect
  • Filter by aspect type or planet
  • Works with natal, transit, and synastry charts
Transit Timeline

Track Upcoming Transits

See exactly when transits will be exact with the timeline view. Plan ahead with precise dates for applying and separating aspects.

  • Chronological list of transit events
  • Exact dates and times for aspect perfection
  • Filter by planet, aspect type, or date range
  • Retrograde and direct station markers
Ephemeris & Tables

Visual Planetary Ephemeris

Explore planetary positions with both graphical and tabular views. Track planetary movements across the zodiac over any time period.

  • Graphical ephemeris chart with planetary tracks
  • Detailed position tables by date
  • Retrograde periods clearly highlighted
  • Export data for research and reference
Position Tables

Detailed Position Data

Access precise planetary positions for any date range. Perfect for research, mundane astrology, and verifying chart calculations.

  • Daily positions for all planets
  • Degree, minutes, and seconds precision
  • Moon phases and void-of-course times
  • Ingress dates and sign changes
Data Management

Organize Your Client Database

Store unlimited profiles with complete birth data, notes, and tags. Quick access to any client's charts and readings in seconds.

  • Complete birth data with location lookup
  • Rodden rating for data accuracy
  • Tags and notes for organization
  • Quick search and filter
AI Interpretations

Instant Insights, Powered by AI

Get intelligent, context-aware interpretations for any chart. Rich formatted text with emojis, headings, and structured analysis delivered in real-time.

  • Full chart analysis with key themes
  • Structured sections with headings
  • Real-time streaming text generation
  • Works with all chart types

Simple, Transparent Pricing

One plan, everything included. No hidden fees.

Launch Special

Pro Plan

Full access to Astrologer Studio

$10$5
/month

50% off — Launch price!

  • Unlimited birth charts
  • All chart types (Transit, Synastry, Composite, Returns)
  • AI-powered interpretations
  • PDF export
  • Timeline analysis
  • Priority support

15-day free trial • Cancel anytime

Get Started in Three Simple Steps

1

Create Your Account

Sign up in seconds and set up your astrology preferences.

2

Add Your Subjects

Enter birth data for clients, friends, or personal study.

3

Generate & Interpret

Create charts, explore data, and get AI-powered insights.

100% Open Source • AGPLv3 License

Professional software with an Open Source Heart

Astrologer Studio is fully open source, licensed under the AGPLv3. It is built on top of Kerykeion and developed by the same team. Kerykeion is an industry-standard open-source astrology engine used by thousands of developers. We believe in transparency and the spirit of libre software.

Transparency

Our core calculation engine is open for inspection. You know exactly how your charts are calculated.

Sustainability

Your subscription directly funds the development of free software tools for the entire astrology community.

Community

Join a project that values collaboration. Contribute code, report issues, or suggest features on GitHub.

Ready to Work with More Confidence?

Join professional astrologers using Astrologer Studio to calculate faster and communicate more clearly. Your subscription supports open-source development and gives you priority assistance.

No credit card required • Free forever plan available