AppAgg - Application Aggregator
Phandroid - Phandroid is a website where you can get your favorite Android apps downloaded for free.
AppAdvice - AppAdvice is the leading online and 'onapp' resource covering all thing iOS
Android Freeware - Android Freeware is a dedicated platform for those Android users who want to enjoy quality and reviews Android apps and games for free.
Apple Sliced - Apple Sliced searches the Web for the lowest prices and uses only Authorized Apple Resellers, so...
APKStone - All apps in one place. Download APK files or from Google Play Store.