IPA, iOS Application (.ipa)
The IPA Executables file format
IPA files are exclusively developed by Apple and can only be played in iOS devices. These files can only be transferred through iTunes to any device with an iOS operating system, such as iPhones, iPods, or iPads. IPA files are used for any iOS application such as games, finance and news programs, utilities, educational programs, etc.
Technical details of IPA files
IPA files are generally stored in /Music/iTunes/Mobile Applications directory of the respective device. Saved in ZIP format, the IPA files can be unzipped conveniently with any decompression utility software.