When comparing Alexa vs Countly, the Slant community recommends Countly for most people. In the question“What are the best analytics tools for a SaaS web applications?” Countly is ranked 9th while Alexa is ranked 24th. The most important reason people chose Countly is:
No need to use another SDK.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Provides information about competitors
Alexa, in addition to on-site metrics, provides traffic, engagement and reputation data about other sites.
Pro All in one crash, analytics and push notifications
No need to use another SDK.
Pro Continually updating real time analytics
Countly pages are updated in real time without needing a page refresh.
Pro Try without signing up through open demo
You can try it out without signing up at all by playing around with their demo.
Pro Very fast interface
Transitions between pages on the Countly web interface is nearly instant.
Cons
Con Unknown ranking accuracy
Alexa's ranking is based on users that have installed one of their browser extensions and sites that have installed a tracking script. It's unknown what kind of users are installing the extensions and how big is the sample size (Alexa claims it to be millions).