Tunify 1.5.1 for Mac could be downloaded 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 Mac application is Appersian. The software is included in Audio & Video Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
Tunify lets you control iTunes and Spotify as easily as possible. It is placed in your Mac's status bar with simple and slick design via a mini music player. The app allows you to share your favorite songs in social networks, switch tracks, view album artwork and songs, artists name and albums right on status bar, and more.
You may want to check out more software for Mac, such as iTunify, which might be related to Tunify.