Giới Thiệu · iRingtunes
iRingtunes is a very easy to use utility to create ringtones for your iPhone. iRingtunes has the following features: easy to use - ringtones for your iPhone are created with the simple click of a button; ringtones from any song in iTunes - ringtones for your iPhone can be created from any unprotected song in your iTunes library. Protected songs (songs purchased from the iTunes Music Store) cannot be used to create ringtones.