App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.

Petit Hacks - Acquisition, retention, & revenue hacks used by companies

AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.

Growth.Design Case Studies - Product tips… in a comic book format

appfigures - Cross-platform app store analytics for all of your mobile apps.

erxes Inc - Merge all your marketing, sales and customer service tools into one platform for greater output.