New: Version 5 Just Released
Beautiful Astronomy Software For Anyone With An Interest In The Moon Or Planets

(View of the main screen with Moon as the target)

If you are interested in predicting, researching or tracking the Moon, Sun or Planets of our solar system for any reason... you'll love this software.

It's the quick and easy way to explore not just the Moon's phases, position and monthly calendars, but also information about our Sun and planets. Simply choose any location on earth and select any date... for thousands of years into the past and future.

New For Version 5: Along with many major infrastructure changes "under the hood", the program now shows data and imagery for planets, including Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune. You can view any of these celestial objects with a single click.

This program has been in service for over 17 years in various iterations. See why thousands of people from around the world have enjoyed this software since 2006.

For more screenshots and a description of features click here.

Try QuickPhase Pro

» Open the Mac App Store and search for "quickphase" to buy and download. Click here for App Store Preview page.

Do you already own QuickPhase Pro (version 3 or 4) for Windows? Contact us for an upgrade discount. Also, please note this new version will not delete or overwrite your existing program, so you can try version 5 without any conflict.