AppShopper - Mac Apps, Mac App Store, iPad, iPhone and iPod touch app store listings, news, and price drops
Freepps.top - Curated Apps and Games Database. We will help you find the best applications for your device.
AppAgg - Application Aggregator
TheAppStore.org - Find apps by rating, price, category, updated date and more
AlternativeTo - AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
JazzMyApp - Let JazzMyApp surprise you with amazing apps everyday. Try it out yourself.