TheAppStore.org - Find apps by rating, price, category, updated date and more
Fnd - Browse Apple App Store and iTunes on the Web
JazzMyApp - Let JazzMyApp surprise you with amazing apps everyday. Try it out yourself.
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
Knicket App Search - The future Wikipedia for Apps
Magicube - Looking for the best Windows 10 apps? Check out these Universal Apps for PCs and Phones.