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Birth chart calculations with AI-assisted interpretation.

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Website, pricing, platforms and company facts side by side.
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| Website | getbirthchart.com | open-gpt.app |
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| Company | Startup from the United States · 1 - 9 employees · 2026 | — |
| Listed in | — |
In their own words, as submitted to SaaSHub.


GetBirthChart helps users calculate and explore their natal chart using astronomical data and Swiss Ephemeris-based calculations. The platform includes birth chart, Big Three, Moon sign, Rising sign, compatibility, synastry, and yearly forecast tools. Its calculation layer is deterministic:...
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As answered by people managing GetBirthChart and https://open-gpt.app/.
GetBirthChart's answer
Next.js, TypeScript, React, Python, FastAPI, Swiss Ephemeris, PostgreSQL, Redis, and AI language models for interpretation.
GetBirthChart's answer
GetBirthChart separates deterministic chart calculation from AI interpretation. Planetary positions, houses, angles, and aspects are calculated first from birth data, then AI explains how those factors interact. If the birth time is unknown, time-dependent results are omitted rather than guessed.
GetBirthChart's answer
GetBirthChart focuses on transparent calculations, clear handling of uncertain birth data, and interpretations that combine placements, houses, and aspects instead of treating each factor as an isolated personality trait. It also provides free chart tools and an open-source calculation engine.
GetBirthChart's answer
People who want to calculate and understand their birth chart, from beginners exploring their Sun, Moon, and Rising signs to users interested in aspects, houses, compatibility, synastry, and yearly transits.
GetBirthChart's answer
GetBirthChart was built around a simple idea: chart calculation and interpretation should be separate. The project began with a deterministic astrology engine using Swiss Ephemeris, then added a user-facing platform that turns structured chart data into clearer explanations and interactive tools.
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