Look at the site of the social media tool solution provider. Pay attention to its design, number of pages and the number of followers in social media accounts. It may happen that some of these factors look better than the others (e.g. the design is gorgeous, but there are less than 1000 followers on their Facebook business page, which is suspicious). See more in this blog: 10 Tips on how to select the best SEO Software or this article: Why is it essential to have stable SEO software at hand?