Best Free Disk, File, Desktop and System for iPad

Best Free File Manager for iPad
 (17.8 MB), transfer files between your PC and iPad wirelessly via Wi-Fi using File Transfer Protocol, or via a USB cable using iTunes File Sharing, and easily browse, view, search or remove these files on your iPad. Most file formats are supported but some features such as create and rename folders are not available in the free version.  

Best Free Online Backup for iPad
 (13.2 MB), upload and access your files including photos, docs and videos from your iPad, and sync them between your computers and mobile devices on the go. Easy to use—tap a file to view, copy or email links to share, or set as Favorites.  

Best Free Wallpaper App for iPad
 (22.1 MB), browse over 20,000 wallpapers by new or popular items, search or filter them by categories, choose the wallpaper you like and add glow or other effects, share it with friends or save into your iPad. Changing wallpapers requires the default Photosapp. 

Best Free System Monitor for iPad
 (1.5 MB), monitor your iPad's basic parameters including disk usage, battery level , CPU load, network connections, system boot time and uptime, with real time updates when the parameters change, but memory details and other info are only available to the full version. 

 (9.4 MB), show your device information including model, name, OS version and universal device identifier (UDID), free memory and remaining disk space, network status, battery status and battery level monitoring.