Google Analytics ( App Tracking ). It has limitations but when you need to make analysis, it's fast and allows for all kinds of ad-hoc reporting.
That said recently was given a tour of Localytics by someone using it at a partner company, and was impressive. While the ad-hoc reporting was not as strong as Google Analytics, the default reports are excellent making it much easier to see how users are responding to your app.
Google Analytics ( App Tracking ). It has limitations but when you need to make analysis, it's fast and allows for all kinds of ad-hoc reporting.
That said recently was given a tour of Localytics by someone using it at a partner company, and was impressive. While the ad-hoc reporting was not as strong as Google Analytics, the default reports are excellent making it much easier to see how users are responding to your app.