The best thing about this tool is that it helps you in tracking your SEO efforts without any effort. I have been using content tracker since last 2 years and i can say that its really helpful for me. I don't think there are any downsides of this tool. It works well on all platforms like mobile, desktop and web. I would definitely recommend this tool as it has helped me a lot in my daily work.
If you are looking for an SEO tool which will help you track your SEO then Content Tracker is the right