I suggest you have a visit to Kilometer.io (Blog and Community). They have an analytics tool which will only launch in a few months but are doing great job on reaching to potential costumers.

See their shared Marketing Hacks - http://kilometer.io/community/forum/thread-category/marketin...

And this post http://www.kilometer.io/blog/talk-to-your-future-users-befor... Talk to your future users before building a product