After several months, Microsoft recently updated their Ringtone Maker app to v184.108.40.206 for Windows Phone devices. This app allows you to create ringtones and notification alerts from the music on your phone. In the latest update, Microsoft has improved the usability of the app along with support for notification alerts for messaging, emails, reminders and also alarm clock.
– improved usability
– notification alerts for messaging, emails, reminders and also alarm clock available with the latest OS update
– minimum ringtone length is 1 second
Update it from Windows Store.