For macOS

AstroPrompt

"We do not have too much intellect and too little soul, but too little precision in matters of the soul."

— Robert Musil, Precision and Soul, 1918

Use AI for astrology with AstroPrompt. ChatGPT (and other LLMs) can't do astrological math reliably but this application gives you the data (and the prompts) to get amazing pro-grade AI interpretations accurately.

Features

Celestial Precision

Powered by the same Swiss Ephemeris data trusted by professional astrologers worldwide.

Natal Charts

Complete birth chart calculations including planetary positions, house cusps, aspects, and dignities with precise astronomical accuracy.

Daily Planning

Moon Void of Course alerts, daily transits, and planetary hours to help you time important decisions with celestial awareness.

AI-Ready Output

Generate formatted prompts for ChatGPT and other AI assistants. Get professional-grade astrological interpretations instantly.

Complete Privacy

All calculations happen locally on your Mac. Your birth data and personal information never leave your computer.

Transit Reports

Track planetary movements through your natal chart. See upcoming aspects and understand the cosmic weather affecting you.

Global Atlas

Built-in geographic database with automatic timezone handling. Calculate charts for any location on Earth with precision.

How It Works

Three Simple Steps

1

Enter Birth Data

Input your birth date, time, and location. The app validates and stores your data securely on your device.

2

Generate Report

Choose from natal charts, daily planning, or transit reports. Calculations are performed instantly using Swiss Ephemeris.

3

Copy to AI

Copy the formatted prompt and paste into ChatGPT or Claude for instant professional-quality interpretations.

Available Now

Ready to Explore?

Download AstroPrompt and start generating professional astrological insights in minutes. Free to try, no account required.

Requires macOS 12.0 or later • Apple Silicon & Intel