Retention and acquisition are both very important for the growth of SaaS businesses, however, improving retention and acquisition are very different problems and before you're concerned with retention you have to be concerned with acquisition. By focusing on signups (acquisition) the product can be simpler, with every feature related to improving and understanding signups and the resulting data can always be presented in relation to signups.
Who is it for?
Flockmetrics is for anyone for whom growing their number signups is core to their business. It is also helpful for those who want to optimise their signups without the cost and complexity of setting up analytics software designed to do everything, and then trying to figure out which data is relevant to signups. These people could be solo business owners, marketers, SaaS startups teams, growth hackers, dedicated analytics experts or [insert your title here].