The mostprecise
Synastra combines the rigour of Swiss Ephemeris with artificial intelligence to produce astrological analyses of unparalleled depth. Every chart is a unique work, adapted to your cognitive profile.
4 ways to understand your chart
A text written for you, an AI chat for your questions, a couple analysis, and an application to visually explore your sky chart.
Written Interpretation
You receive a document of 6 to 200 pages describing your personality, strengths, tensions, talents, and relational patterns. Every sentence refers to your exact planetary positions, not magazine generalities.
- A text that speaks about you, not about Aries people in general
- From 5 to 20 chapters depending on the plan chosen
- Planetary positions to the hundredth of a degree
- Delivered in Word format, readable anywhere
Astrological AI Chat
An artificial intelligence trained in traditional astrology that knows your chart by heart. Ask it why you repeat the same patterns, what blocks your career, or why your relationships follow a pattern.
- Available 24/7, instant response
- 4 domains: identity, relationships, direction, blocks
- Precise references to your sky chart
- Written history, re-readable at any time
Relational Synastry
Understand the dynamics of your couple. The analysis cross-references both sky charts to reveal the strengths, tensions and long-term potential of your relationship.
- 15 compatibility chapters
- Strengths and challenges of your relationship identified
- Personalised relational advice
- Multidimensional compatibility score
Interactive Application
Your sky chart, explorable like Google Maps. An interactive zodiac wheel where you can zoom, click on each planet, view its aspects, and filter by energy type.
- 6 complementary visualisations
- Zoom, filters and real-time interactions
- Accessible without any astrology knowledge
- Synchronised across all your devices
Stop paying by the minute for vague answers.
Your questions deserve answers based on your real sky chart, not on a stranger's intuition.
| Phone psychic | Synastra AI Chat | |
|---|---|---|
| Cost | EUR 3 to 5/minute, EUR 30 to 150 per session | Included. 2 free questions, then monthly subscription |
| Availability | Limited hours, waiting time | 24/7, instant response |
| Basis | Psychic's intuition, unverifiable | Your real sky chart, exact positions |
| Traceability | None, you forget what was said | Written history, re-readable, conversations saved |
| Personalisation | Depends on the psychic, variable | Knows your chart by heart, guaranteed consistency |
| Pressure | Running timer, incentive to extend | No pressure, take your time |
| Framework | Psychic readings, predictions, promises | Traditional astrology, understanding, free will |
Cost
Availability
Basis
Traceability
Personalisation
Pressure
Framework
The same budget as a psychic call gives you an entire month of questions and answers.
Why Synastra?
Astronomical precision, verifiable data, and security. Here is what sets Synastra apart.
Swiss Ephemeris Precision
Calculations based on NASA/JPL DE441 ephemerides. Planetary positions to the thousandth of a degree.
Instant Analysis
Over 140 planetary links analysed in under 200ms. Your interpretation generated in just a few minutes.
Celebrity Database
Over 793 verified celebrity natal charts (source: AstroDatabank). Browse them to judge the quality for yourself.
Availability
High-availability cloud infrastructure. AI Chat and application accessible 24/7.
Satisfaction Guaranteed
Full refund within 14 days if you are not convinced. Browse celebrity examples to judge the quality before purchasing.
GDPR Security
Data hosted in France, AES-256 encryption, full GDPR compliance.
Your sky chart awaits
Start with a free 6-page Mini-Portrait. In under 5 minutes, discover what the stars reveal about your personality.