Albacross - The world's first free B2B Lead Generation Network. Albacross help companies master their B2B digital marketing with Lead Generation and targeted marketing

Sensor Tower - Sensor Tower is a platform for app store optimization and app industry intelligence.

Clientjoy.io - Productivity OS for Agencies & Freelancers | All-in-one crm to Manage Sales Pipeline, Clients, Appointments, Mailbox, Create Proposals, Contracts, Invoices, collect Payments & run Email Sequences.

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.

Pricing Page Teardown from ProfitWell - Data and banter behind the best (and worst) pricing pages

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