铃声设计大师专业版: 专业的铃声制作工具！

With this free apps, you can convert any song in your iphone or ipad into ringtones in only few steps.
You can also record you own song in the apps and transfer into your customized ringtone !
1. Load song from your library or use recorder to record you own song -> Play the song to decide the start/end point of the ringtone -> Save the new ringtone -> Use E-mail or Itunes File Sharing Function to transfer your Ringtones to PC -> Use iTunes to sync your ringtones to your iPhones -> Select & set the ringtones from your iphone settings -> Enjoy your favourite Ringtones !
2. The max. length for Ringtone is 40s and text message tone is 30s.