What is the difference between .m4r and .caf?
- Extension
 - .m4r
 - .caf
 
- Format
 - Binary
 - Binary
 
- Category
 - Audio
 - Audio
 
- Developer
 - Apple Inc.
 - Apple
 
- Description
 - M4R is an iTunes ringtone file that stores mono channel audio. They are identical to the M4A format files only that they are correctly used for ringtones.
 - Digital audio format based on Apple's Core Audio technology; stores audio data as well as text annotations, markers, channel layouts, and other information; similar to an .AIFF or .WAVE file, but does not have a 4GB size limit and can store any number of audio channels.
 
- MIME Type
 - audio/x-m4r
 - audio/x-caf
 
- Sample
 - sample.caf
 
- Wikipedia
 - .m4r on Wikipedia
 - .caf on Wikipedia