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.
SwipeWell - The only tool dedicated to helping you save, organize, and reference marketing examples (so you never feel stumped).
AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.
AppGrowthLab (by SplitMetrics) - 55 app growth lessons from 30 app marketing experts
appfigures - Cross-platform app store analytics for all of your mobile apps.
Growth.Design Case Studies - Product tips… in a comic book format