The product, module by module
Nine tools you've juggled for a decade, in one app.
Solar Fire, astro.com, Notes, Calendar, WhatsApp, Stripe — collapsed. Built for working astrologers, not enthusiasts.
Predictive
Predictive timing
Profections, ZR, transit scans, and returns, all aligned on one timeline. Tell it “who's having a peak year” and it returns a sorted list.
Relational
Synastry & composite
Compare any two clients, get ranked inter-aspects with a session-ready brief. Cohort comparison for therapists and casting.
Scanner
Transit scanner
Batch scan transits across your entire client base. 'Show me all clients where Saturn conjuncts a natal planet this month.'
Roster
Client roster
All your clients in one place. Tags, notes, last session, next transit. Imports .SFcht and .acht in one click.
AI
Studio assistant
An AI assistant fluent in your school of astrology — Hellenistic, modern, evolutionary, traditional. Pick one.
Engine
Swiss Ephemeris
The same engine Solar Fire and Astro Gold use, in a browser. 23 house systems, sidereal and tropical.
Horary
Horary workspace
Dedicated workspace with consideration-before-judgment checks, perfection rules, and the moon's last/next aspect tracked automatically.
Electional
Electional search
Define a goal, define constraints (Mercury direct, Moon waxing, etc.), and Astrolium scans a time window for the best date.
Synthesis
Holistic prediction
Natal placements, current transits, and locational weight (Astrocartography). Analyze how they interact together, not in isolation.
Read the deep dives
Long-form pages for each major feature
AI · Workspace
An AI astrologer that reads your way.
Astrolium's AI astrologer builds natal, transit, and synastry readings from your own Knowledge Base, in your voice, ready to send as a client email, DM, or PDF.
Feature · Chart sharing
Share the astrology chart as a link.
Astrolium sends each client a live, interactive chart link — white-label optional, expiry dates, password lock, no PDF wrangling. Included on the Pro plan.
Feature · Composite & Davison
Composite chart calculator + Davison.
Astrolium's composite chart calculator runs the midpoint composite and Davison side by side, with profections and transits on the composite Ascendant in 300ms.
Module · Client workspace
Astrologer software with a built-in CRM.
Astrolium is astrologer software with a built-in CRM: every client's natal chart, session notes, intake forms, and consent in one tab. Replace Sheets.
Feature · Electional
Electional astrology: pick the moment.
Astrolium scans a date window for electional astrology charts that pass Lilly's five rules, with planetary hours, void Moon, and angles in agreement.
Traditional Techniques
Hellenistic astrology calculators.
Astrolium's Hellenistic astrology suite covers annual profections, Zodiacal Releasing, essential dignities, Arabic parts, and all seven Hermetic lots. Free.
Feature · Horary
Horary astrology, the way Lilly meant.
Astrolium is horary astrology software that casts the chart the moment a question is asked, checks all seven considerations before judgement, tests radicality.
Feature · House systems
23 astrology house systems.
Astrolium ships 23 astrology house systems with whole-sign as the default. Switch to Placidus, Koch, Porphyry, Regiomontanus, Campanus, Alcabitius in one click.
Feature · Import
Import Solar Fire charts in 60 seconds.
Astrolium imports your Solar Fire .SFCHT folder, a CSV roster, or a single client at a time. 200 charts in 60 seconds, with every house system preserved.
MOD-006 · PREDICTIVE
Lunar return chart — 27.32 days, one wheel.
Astrolium's lunar return chart calculator runs the 27.32-day return with house emphasis flagged — the monthly retainer offering working astrologers price.
Module · Charts
Natal chart software for working astrologers.
Astrolium natal chart software runs the Swiss Ephemeris with 23 house systems, 20,000 asteroids, and the Robson fixed-star list in one browser tab. Free to try.
MODULE · DELIVERY
Astrology report software — PDF in 4 seconds.
Astrolium astrology report software ships 12 layouts and a custom editor. Natal, transit, synastry, solar return, and composite PDFs in 4 seconds, 9 langs.
Feature · Predictive timing
Predictive astrology: three timing layers.
Astrolium overlays profections, Zodiacal Releasing, and transits on one scrubbable predictive astrology timeline from 1900 to 2100 — classical timing.
MOD-003 · PREDICTIVE
Progressed chart calculator + solar arcs.
Astrolium's progressed chart calculator runs secondary progressions and solar arc directions on the same scrubber as transits — Moon ingresses auto-flagged.
Compatibility Suite
Couples astrology chart toolkit.
Astrolium's couples astrology chart toolkit covers synastry, composite, Juno, Vertex, love-language astrology, and Davison charts. Free, no signup required.
MOD-005 · PREDICTIVE
Solar return chart with full timing.
Astrolium computes the precession-corrected solar return chart with profections and transits overlaid — the annual reading working astrologers bill for.
Feature · Synastry & composite
Synastry chart + composite, one screen.
Astrolium puts the synastry chart, both house overlays, and the composite on a single screen — with profections and transits attached to every couple, 80ms.
Feature · Transit scanner
Transit finder for the whole roster.
Astrolium's transit finder asks the roster a structural question — Saturn on the Ascendant, eclipse on Venus — and returns matching clients in 90 milliseconds.
MODULE · PREDICTIVE
Transit chart calculator, 1900-2100.
Astrolium's transit chart calculator ships a scrubbable timeline with Swiss Ephemeris arc-second accuracy, all aspects, multi-wheel overlay, and PDF export.
Free during beta. Six months of Pro on release.
Founding members get the price, the access, and the say in what we build next.