4Videosoft Mac iPhone 4S Video Converter
Convert mainstream videos to iPhone 4S video MP4/AVI, etc and MP3/M4A audio.
Tipard iPhone 4S Video Converter for Mac
convert all video and audio formats to iphone 4s compatible formats.
Aiseesoft Mac iPhone 4S Video Converter
convert most popular video/audio files to iphone 4s compatible formats on mac.