Apple App Store - Install apps on your iDevice via the App Store.
TheAppStore.org - Find apps by rating, price, category, updated date and more
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
Magicube - Looking for the best Windows 10 apps? Check out these Universal Apps for PCs and Phones.
Product Hunt - A website that lets users share and discover new products
AppSales - Find the best Android apps and games from Google Play that are currently discounted or free for a limited time