Astrologer vs Co-Star
A design-led daily-horoscope and friend-compatibility app for casual users.
How does Astrologer compare to other astrology apps and software? These side-by-side guides cover consumer apps, free chart sites, authoritative sources, and professional desktop tools — written to be fair, with where each alternative wins.
Open Astrologer freeA design-led daily-horoscope and friend-compatibility app for casual users.
A psychology-flavored personality and timing app that hides the chart.
A polished, inclusive horoscope, audio, and journaling app.
A conversational AI-astrologer chat app.
A deep, free web calculator with an enormous range of chart types.
A long-running site with free charts and a vast library of written interpretations.
The authoritative free chart site — and the home of the Swiss Ephemeris itself.
The professional Windows desktop gold standard, since 1992.
The leading professional astrology app for Mac and iOS.
Approachable astrology software with built-in interpretations, desktop and mobile.
A new (2024) professional application with deep traditional techniques and a built-in AI assistant.
A long-established professional Windows program with deep predictive and electional tools.
Cosmic Patterns’ flagship professional Windows programs, known for vast report and research libraries.
A long-standing Macintosh astrology program from Time Cycles Research.
A free, open-source desktop program favored by traditional and Hellenistic astrologers.
A free, remarkably feature-rich Windows program with an active scripting community.
A free, open-source program with a long history and deep, technical customization.