MP3 Ringtone Factory MP3 Ringtone Factory allows you to take an existing MP3 choose a short section from it and create a perfect MP3 ringtone for your mobile phone. User your existing MP3 collection to put the music you want ... Cost: $20 Buy full version       Trial version       Publisher: Individual     Descriptions MP3 Ringtone Factory: MP3 Ringtone Factory allows you to take an existing MP3 choose a short section from it and create a perfect MP3 ringtone for your mobile phone. User your existing MP3 collection to put the music you want on your mobile. MP3 Ringtone Factory creates tones at the right size and format for your phone, so you don't waste your valuable message space. Works with all MP3 compatible jamdsets, list available on the website.