The Best Co-Star Alternatives (2026 Roundup)
This is an unbiased roundup of the best astrology apps for users who want something different from Co-Star. Five apps, each assessed honestly — what they do well, where they fall short, and who they are actually built for.
Co-Star made astrology apps mainstream. The clean design, the social chart comparisons, the cryptic daily notifications — it lowered the barrier to entry and brought a new generation of users to the natal chart. For casual daily engagement, it still works.
But its AI-generated copy is intentionally vague, it covers Western astrology only, and it has no memory between sessions. If you want more substance — chart-grounded reasoning, depth across traditions, readings you can act on — the options below are worth knowing.
Each app below is evaluated on the same criteria: tradition coverage, reading quality, pricing model, and what kind of user it actually serves. No affiliate arrangements, no rankings by sponsorship.
Five apps, assessed honestly.
In order of recommendation — from multi-tradition depth to casual social use.
01
Zodiacs
Zodiacs runs four scholarly traditions — Western astrology, BaZi, Ziwei Doushu, and numerology — from a single platform. The reader, the Oracle, delivers decision-grade guidance with persistent memory that compounds across every session. Flat subscription pricing with an unlimited free tier to start.
Strengths
- Multi-tradition synthesis: Western, BaZi, Ziwei Doushu, and numerology in one reading
- Flat $14.99/mo for unlimited readings — no tokens, no per-session fees
- Persistent archive: every reading saved, searchable, and cross-referenced over time
Weaknesses
- Web-only — no iOS or Android native app currently available
- Oriented toward timing and decisions, not personality portraiture
02
The Pattern
The Pattern is a personality-forward astrology app focused on psychological depth and relationship compatibility. It presents natal chart data through a behavioral lens, surfacing patterns about how you relate, react under pressure, and connect with others.
Strengths
- Deep personality analysis grounded in the natal chart
- Well-built relationship compatibility with detailed breakdown reports
- Active social layer — users share charts and comment on each other’s patterns
Weaknesses
- Western astrology only — no BaZi, Ziwei Doushu, or numerology
- No electional engine or timing tools for decision support
03
Sanctuary
Sanctuary pairs astrology content with live human astrologers available via in-app chat. The app covers Western natal charts, daily horoscopes, and on-demand consultations with practitioners you can book directly from the app.
Strengths
- Access to real human astrologers for live readings
- Clean, modern interface with daily personalized horoscope content
- Practitioner marketplace with a range of specialties and price points
Weaknesses
- Live readings are priced per session and can add up quickly
- Quality and depth vary by practitioner
04
The Oracle (astro.com)
The Oracle.com is the long-running reference standard for Western chart calculation, used by professional astrologers worldwide. It generates free natal charts, transits, progressions, and synastry reports from the Swiss Ephemeris — the same calculation engine behind most serious astrology software.
Strengths
- Professional-grade Swiss Ephemeris calculations, free
- Comprehensive chart types: natal, transit, solar return, synastry, composite
- Trusted by practicing astrologers as a primary reference tool
Weaknesses
- Interface is dated and complex — not designed for beginners
- Interpretation is minimal; the tool assumes you can read a chart yourself
05
Co-Star
Co-Star popularized astrology apps by pairing NASA orbital data with AI-generated daily notifications. Its social layer lets you compare charts with friends, see how your planets interact, and share readings. The deliberately cryptic copy style has become its signature.
Strengths
- Frictionless onboarding and clean minimalist design
- Social friend-chart comparison — see your planets against anyone in your contacts
- Wide name recognition — the app your contacts are most likely already using
Weaknesses
- AI-generated readings are often generic or deliberately vague
- Western-only; no memory, no decision support, no multi-tradition depth
Side by side.
| App | Traditions | Pricing | Best for |
|---|---|---|---|
| Zodiacs | Western, BaZi, Ziwei, Numerology | Free + $14.99/mo | Decision timing |
| The Pattern | Western only | Free + paid tier | Personality & compatibility |
| Sanctuary | Western only | Pay per reading | Live astrologer access |
| The Oracle (astro.com) | Western only | Free (charts), paid reports | Professional chart research |
| Co-Star | Western only | Free + paid tier | Social chart sharing |
What people ask.
What is the best alternative to Co-Star?
The best Co-Star alternative depends on what you want the app to do. If you want personality depth and psychological insight, The Pattern is purpose-built for that. If you want chart math at a professional level, astro.com has the most rigorous free calculations available. If you want readings that cross-reference four traditions — Western astrology, BaZi, Ziwei Doushu, and numerology — and point at a specific date rather than a general mood, Zodiacs is built for that.
Why do people look for Co-Star alternatives?
Three reasons come up repeatedly. First, the reading quality: Co-Star’s AI-generated copy is intentionally cryptic and often too vague to act on. Second, tradition breadth: Co-Star covers Western astrology only, which excludes users who practice or want to explore BaZi, Ziwei Doushu, or numerology. Third, memory: Co-Star has no persistent archive — each day resets with no continuity from the reading before it.
Does Zodiacs cover the same ground as Co-Star?
Zodiacs covers Western astrology and goes further: BaZi (Four Pillars of Destiny), Ziwei Doushu (紫微斗數), and numerology are treated as first-class traditions, not add-ons. Where Co-Star delivers a daily notification in an AI-generated voice, Zodiacs delivers a reading tied to a specific question or decision — with chart-grounded reasoning, named placements, and a saved record of every session.
Is The Pattern better than Co-Star?
For personality analysis and relationship compatibility, The Pattern goes significantly deeper than Co-Star. The chart interpretations are more substantive, and the relationship reports are more thorough. Co-Star’s advantage is its social layer and its larger installed base. Both are Western-only apps without decision-timing tools or multi-tradition support.
Is there a free Co-Star alternative?
Yes. Zodiacs offers a free tier with a daily reading card and your Western natal chart — no credit card required. The Oracle.com offers free professional-grade chart calculation without any account. The Pattern offers a free tier with core personality readings. Sanctuary offers limited free content. Zodiacs+ at $14.99/mo unlocks unlimited multi-tradition readings, the electional engine, and the full archive.
Decisions, not horoscopes.
Four traditions. Real chart math. Readings that point at a day, not a mood. Start free — upgrade when the chart earns it.
Last updated June 2026
Co-Star, The Pattern, Sanctuary, and the Oracle are independent products not affiliated with Zodiacs.