UI Sources is described as 'Browse recordings of end to end user journeys from the top grossing apps to reduce iteration cycles, gain insights, identify trends & benchmark against your competitors and industry’s standard'. There are seven alternatives to UI Sources for a variety of platforms, including Online / Web-based, Android, iPhone, Android Tablet and iPad. The best alternative is Dribbble, which is free. Other great apps like UI Sources are Flomo Design (Free), foxyapps (Free), pttrns (Free) and Mobile UI Patterns (Free).
Foxyapps is a curated collection of best-designed real-world Android and iOS mobile apps. Whether you're looking for great design inspiration, learning the best UX and UI practices, or just like discovering new hot apps.