Vista / Win7 / WinXP
It runs on Windows and so you must connect your iPhone to your PC to use it. The app developer claims that it can improve sluggish iOS performance and make apps launch faster. It can also get rid of junk files to free up space.
If you want to remove personal data from an iPhone then this tool can work for that as well. It supports up to iOS 8 as of June 2014.
tenorshare free iphone care ios 8 clean up optimize
1License and operating system information is based on latest version of the software.