PluginUpdate 1.0.3 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac app was originally developed by Kazrog LLC. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
PluginUpdate is a simple application that allows you to update your VST, AU, AAX, RTAS, and TDM plugins. This app does not install plugins on its own, it simply scans for available plugin updates online. This application has an easy to use interface.