AppGrowthLab (by SplitMetrics) - 55 app growth lessons from 30 app marketing experts
Apple App Analytics - Apple's very own iTunes Connect App Analytics
The Creative Marketer - Techniques & tools for copywriters, marketers, and creatives
Podcast List - A database of 200k+ podcasts to feature your business
Adapty - Low-code price personalization for in-app subscriptions
Braavo Analytics - Essential app analytics for busy founders