Coolmuster iOS Eraser wipes all types of files from the device with zero possibility of recovery.
UkeySoft FoneEraser - 100% Erase All iPhone/iPad Data Permanently, Speed Up Your iPhone
SequoiaView - SequoiaView is a featured rich application that comes with the visualization technique to provide you a single view of files and documents that are stored in your hard drive.
MobiKin Cleaner for iOS - Find your iPad, iPhone or iPod runs slowly and slowly and wish to find a way to clean it? Then this MobiKin Cleaner for iOS could be a great option for you. It is a simple and professional software that can help you clean all the junk files.
DiskBoss - A file manager with a focus on storage side of things: Monitoring, classing, storage, duplicate...
Syncios iOS Data Eraser - iOS Data Eraser helps you erase the private data on iPhone/iPad selectively, or wipe iPhone/iPad completely with zero chance of being recoverability by any recovery tool anywhere in the world.
RidNacs - RidNacs is a very fast disk space usage analyzer for Microsoft Windows.