InsTrack 3.5.3 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 is a product of INNOVATTY, LLC. The application is categorized as Communication Tools. 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:
InsTrack is an app for Instagram analytics and community management. It provides powerful analytics and deep insights that empower brands to understand their community and evolve creatively. InsTrack is perfectly suited for small businesses, influencers, celebrities, solopreneurs, marketers and serious Instagrammers.
You may want to check out more software for Mac, such as Hibari for Twitter, Blabbelon or FBContacts, which might be similar to InsTrack.