Sensor Tower - Sensor Tower is a platform for app store optimization and app industry intelligence.
HubSpot for Startups - Get up to 90% off HubSpot sales and marketing software.
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.
The Creative Marketer - Techniques & tools for copywriters, marketers, and creatives
appfigures - Cross-platform app store analytics for all of your mobile apps.
Growth.Design Case Studies - Product tips… in a comic book format