Get 3suns 0.5.2

Macs with Apple Silicon or an Intel processor on macOS 11 Big Sur or later, and 64-bit Windows 10 or 11, which includes Windows tablets such as Microsoft Surface. There is no iPad or Android app yet.

Not sure which Mac you have? Choose Apple Silicon, the chip in most Macs from 2021 on. To check, open the Apple menu and choose About This Mac.

Yes. 3suns asks for a licence key the first time it starts and opens once the key is active. A key works on one computer, and you can move it to another computer from the licence window. There is nothing to sign up for.

Yes. Export your charts as an AAF file, the exchange format most astrology programs write, and import it into a 3suns chart file. CSV and JSON work too, and 3suns exports in the same formats.

On your computer, in the 3suns chart database. You don't need an account.

3suns uses the Swiss Ephemeris files for 1200 to 3000 AD, and a built-in analytical ephemeris outside that range. Positions and house cusps are tested against the Swiss Ephemeris reference program to 0.01 arc seconds, and time zones come from the IANA database, including historical changes and local mean time.

The report text is in English and the library keeps growing. Any passage that has not yet been reviewed by an astrologer is marked Draft in the app, so you always know what you are giving a client.

Yes, for now. The Windows installer is not code-signed yet, so SmartScreen does not recognise it. Click More info, then Run anyway. The Mac version is already signed and notarized.