4Videosoft iPhone Ringtone Maker for Mac is especially designed for Mac users to create personalized iPhone M4R ringtone with DVD movies, videos and music that you're fond of. Meaning while, you're able to cut off the undesired video or audio part and just leave the part you like most as your iPhone ringtone. In addition, you're able to add the iPhone M4R ringtone to iPhone, Mac or iTunes according to yourself. It's pretty easy to transfer ringtone between iPhone and Mac as well as transfer ringtone between two different Apple devices on your own wish. It's the professional yet easy-to-use ringtone maker for iPhone.