Download of WhatWatch 4.4 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free software for Mac is PaperTV. The application is included in Lifestyle Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
What Watch is an app for astrological calculations. You can draw charts, analyze them, and put two in synastry or composite. You can easily calculate transit timings, look at progressions, and much more. There is an atlas including time zones for many countries, and much more. What Watch comes with a built-in tutorial.
You may want to check out more Mac applications, such as Qouija, Islamic Calendar or VeBest Numerology Free, which might be similar to WhatWatch.