The studio for working astrologers.
A clean workspace for charts, transits, synastry, progressions and ephemerides — NASA-grade precision, transparent logic, on any device.
3-day free trial · No credit card required
Everything you need to work faster
Charts, timing, relationships and research — one clean, fast, transparent workspace.
Real-Time Planetary Transits
Overlay current planetary positions on any natal chart and read timing at a glance. Aspect lines, orbs and exact contacts, recalculated instantly for any date.
- Dual-ring chart with natal and transit positions
- Aspect lines between transit and natal planets
- Pick any transit date — instant recalculation
- Retrograde and station markers
Synastry & Composite
Compare two charts with a clear biwheel and a full cross-aspect grid, or study the relationship itself with a composite midpoint chart.
- Synastry biwheel with cross-aspect grid
- Composite (midpoint) charts
- House overlays and inter-aspects
- Modern and traditional wheel styles
Solar & Lunar Returns
Cast solar, lunar and planetary return charts for any year, with relocation support and precise timing down to the exact return moment.
- Solar, lunar and planetary returns
- Relocation support for any city
- Heliocentric and node return options
- Exact return timing
Track Upcoming Transits
See exactly when transits perfect with a chronological timeline. 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
Visual Planetary Ephemeris
Explore planetary movement with both graphical and tabular views, across any time period — perfect for research and verifying calculations.
- Graphical ephemeris with planetary tracks
- Detailed position tables by date
- Retrograde periods clearly highlighted
- Ingress dates and sign changes
Complete Chart Analysis
Every chart carries a full Data tab — positions, aspects, distributions — and your subjects live in an organized client database, a search away.
- Highlights, lunar phase and aspect details
- Element and quality distribution charts
- Client database with Rodden rating, tags and notes
- Quick search and filter across subjects
Go deeper with predictive techniques
A full predictive suite and daily timing tools — built on the new engine, available today.
Secondary Progressions
Cast a progressed chart and read its contacts to the natal chart, with progressed aspects and midpoints and predictive orbs you control.
- Progressed chart for any date
- Progressed-to-natal contacts table
- Progressed aspects and midpoints
- User-configurable predictive orbs
Solar Arc Directions
Direct the whole chart by solar arc and see exactly which natal points it activates, with tight predictive orbs and full aspect and midpoint tables.
- Solar arc directed chart
- Contacts to natal placements
- Aspect and midpoint tables
- Tight, configurable predictive orbs
Primary Directions, as a forecast
The classical timing method, rendered as a chronological life timeline right inside the natal view — see key directions ordered by date.
- Chronological forecast table
- Key directions ordered by date
- Classical primary-directions method
- Lives alongside the natal chart
Configurable Midpoints
A complete midpoint layer with active-midpoint highlighting and user defaults — available across natal, transit, synastry and predictive charts.
- Full midpoint table per chart
- Active midpoints highlighted
- User-configurable defaults
- Works across every chart type
A daily Almanac
The sky right now: sunrise, sunset and twilight, the planetary hours of the day, and the Moon's void-of-course window — with correct local times across days.
- Sun times and twilight phases
- Planetary hours of the day
- Moon void-of-course window
- Accurate cross-day local times
Eclipses & Cycles
Track solar and lunar eclipses and the great planetary cycles — equinoxes, solstices, lunations and ingresses — with charts you can open in one click.
Chart Dominants
See what really drives a chart at a glance — the dominant planet, sign, element, modality and house, computed and ranked for you.
PDF Export
Turn any chart or predictive view into a clean, professional PDF report you can share with clients or print for a consultation.
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
Powered by Our Own Open Source Stack
Astrologer Studio v2 is built entirely on libephemeris and Kerykeion v6 — open-source libraries we created and maintain. All astronomical data comes directly from NASA, with no dependency on third-party ephemeris providers.
Precision You Can Verify
Every planetary position is calculated from NASA JPL ephemeris data using our open-source engine. No black boxes — anyone can inspect, audit, and verify the math.
No Proprietary Dependencies
We don't rely on any third-party ephemeris provider or proprietary library. libephemeris and Kerykeion are ours — free, independent, and built for the community.
Your Sub Funds Free Software
Revenue from Astrologer Studio directly funds the development of our open-source tools, used by thousands of developers and astrologers worldwide.
Simple, Transparent Pricing
One plan, everything included. No hidden fees.
Pro Plan
Full access to Astrologer Studio
50% off — Launch price!
- Unlimited birth charts
- All chart types (Transit, Synastry, Composite, Returns)
- AI-powered interpretations
- PDF export
- Timeline analysis
- Priority support
3-day free trial • Cancel anytime
Get Started in Three Simple Steps
Create Your Account
Sign up in seconds and set up your astrology preferences.
Add Your Subjects
Enter birth data for clients, friends, or personal study.
Generate & Interpret
Create charts, explore data, and get AI-powered insights.
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.
3-day free trial • No credit card required • Cancel anytime