XORB: Horoscope & Birth Chart

High precision astrology app for natal charts, birth charts, compatibility, and planetary transits - powered by 4 professional astronomical models. XORB is a modern astrology app built for users who want accurate birth chart calculations, real compatibility insights, and detailed horoscope forecasts - all in one private, fast, and offline experience.
🔭 4 ASTRONOMICAL MODELS - ≤0.001° PRECISION
XORB is the only horoscope and astrology app that combines four professional-grade astronomical models on your device:
• VSOP87D - The industry gold standard for heliocentric and geocentric planetary positions. Used by professional observatories worldwide.
• ELP2000-82 - Dedicated lunar theory engine delivering sub-arc-minute Moon precision, optimized for mobile performance.
• IAU 1980 Nutation - 106 specific correction terms for Earth's axial tilt, ensuring every natal chart reflects true apparent positions.
• Espenak & Meeus 2006 Delta T - Polynomial time correction engine covering all historic and future epochs.
Together, these four models deliver ≤0.001° astronomical precision - the same standard used by professional astrologers and observatories. No estimation. No rounding. No shortcuts.
Available in 10 languages: English, Deutsch, Español, Français, Italiano, Română, Magyar, Русский, Serbian, Türkçe. Context-aware, grammatically perfect translations with no English leaks.
🔮 FEATURES
Birth Chart & Natal Chart: Generate a detailed natal chart with precise planetary positions using the Placidus house system. Your birth chart reveals personality, strengths, and life patterns - calculated with 4-model astronomical precision.
Compatibility & Synastry: Analyze relationship compatibility between any two birth charts. Our synastry engine scores emotional connection, attraction, and long-term potential across multiple compatibility axes - not just a single number.
Transits & Horoscope Forecasts: Track real-time planetary transits and plan up to 120 days ahead. XORB delivers detailed horoscope insights based on your actual natal chart positions, not generic zodiac predictions.
Zodiac & Horoscope Insights: Explore your zodiac sign with data-driven astrology. Daily and weekly horoscope content is generated from your personal birth chart - precise, private, and relevant.
100% Private - No Accounts Required: Your birth date, time, and location never leave your device. No accounts. No cloud storage. No tracking. XORB is the only horoscope and astrology app built from the ground up for complete privacy.
Offline Ready: XORB works without an internet connection. All natal chart, synastry, and transit calculations run locally at full speed - even in airplane mode.
10 Languages - Global Precision: English · Deutsch · Español · Français · Italiano · Română · Magyar · Русский · Serbian · Türkçe
⭐ WHY XORB?
Most horoscope apps give you generic zodiac content calculated on remote servers. XORB gives you real astrology - 4 combined astronomical models, ≤0.001° precision, running entirely on your device. Whether you're exploring your natal chart, checking synastry compatibility, or analyzing planetary transits, XORB delivers a powerful, private, and precise astrology experience in your language. Download XORB and experience astrology with precision.