Sidera Astrology Calendar & AI
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About this app
The cosmos has been speaking since the moment you were born. Sidera helps you listen.
Every day, the planets shift — forming aspects to your natal chart that shape your energy, your timing, and the invisible currents running beneath your decisions. Sidera tracks all of it, translates it into language you can feel, and puts it in your pocket.
YOUR DAILY COSMIC WEATHER
Open Sidera each morning and the day reveals itself. Three scores — Favorability, Intensity, and Quality — tell you at a glance whether the cosmos is at your back or asking you to slow down. See which life areas are lit up — love, career, health, growth — and follow the Moon through her sign and phase. When she goes void-of-course, you'll know before it catches you off guard.
YOUR BIRTH CHART, DECODED
This is where it gets personal. Your complete natal chart — every planet, every house, every aspect — rendered and waiting for you. Tap any placement and Sidera's AI writes an interpretation for your chart, not a generic paragraph recycled for millions. Your Mars in your house. Your Moon in your sign. Your story, in the stars.
THE COSMIC PLANNER
Imagine seeing your entire month laid out in color. Gold days glow with peak energy — the cosmos giving you a green light. Softer days ask for reflection. And when you need to find the perfect window for something that matters — a job interview, a first date, a launch, a difficult conversation — "Find Best Date" searches over 100 activities and shows you exactly when the stars align.
AI ASTROLOGER ON DEMAND
Ask anything. By voice or by text, whenever the question arises. "Why does today feel so heavy?" "Is this a good week to have that conversation?" "What's happening in my chart right now?" Sidera's AI knows your full birth chart, today's transits, and the energy of the moment — and answers like a wise friend who happens to read the stars for a living. Available whenever you need it.
WHY SIDERA?
• Every insight is born from your unique birth chart — nothing generic, nothing recycled
• Real-time planetary calculations, not yesterday's horoscope repackaged
• Your birth data stays encrypted and private — always yours, always protected
SIDERA PRO
Some days you want to look ahead. Some days you want to understand what happened last week. Pro opens the full timeline — past and future days, deeper readings, unlimited conversations with the AI, and the complete power of Find Best Date.
The stars are already moving. Sidera helps you move with them.
Every day, the planets shift — forming aspects to your natal chart that shape your energy, your timing, and the invisible currents running beneath your decisions. Sidera tracks all of it, translates it into language you can feel, and puts it in your pocket.
YOUR DAILY COSMIC WEATHER
Open Sidera each morning and the day reveals itself. Three scores — Favorability, Intensity, and Quality — tell you at a glance whether the cosmos is at your back or asking you to slow down. See which life areas are lit up — love, career, health, growth — and follow the Moon through her sign and phase. When she goes void-of-course, you'll know before it catches you off guard.
YOUR BIRTH CHART, DECODED
This is where it gets personal. Your complete natal chart — every planet, every house, every aspect — rendered and waiting for you. Tap any placement and Sidera's AI writes an interpretation for your chart, not a generic paragraph recycled for millions. Your Mars in your house. Your Moon in your sign. Your story, in the stars.
THE COSMIC PLANNER
Imagine seeing your entire month laid out in color. Gold days glow with peak energy — the cosmos giving you a green light. Softer days ask for reflection. And when you need to find the perfect window for something that matters — a job interview, a first date, a launch, a difficult conversation — "Find Best Date" searches over 100 activities and shows you exactly when the stars align.
AI ASTROLOGER ON DEMAND
Ask anything. By voice or by text, whenever the question arises. "Why does today feel so heavy?" "Is this a good week to have that conversation?" "What's happening in my chart right now?" Sidera's AI knows your full birth chart, today's transits, and the energy of the moment — and answers like a wise friend who happens to read the stars for a living. Available whenever you need it.
WHY SIDERA?
• Every insight is born from your unique birth chart — nothing generic, nothing recycled
• Real-time planetary calculations, not yesterday's horoscope repackaged
• Your birth data stays encrypted and private — always yours, always protected
SIDERA PRO
Some days you want to look ahead. Some days you want to understand what happened last week. Pro opens the full timeline — past and future days, deeper readings, unlimited conversations with the AI, and the complete power of Find Best Date.
The stars are already moving. Sidera helps you move with them.
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About the developer
Arsum LLC
sidera@arsum.com
30 N Gould St Ste N
Sheridan, WY 82801-6317
United States
+62 812-3839-2835