Ringtone Creator, is free app creates ringtone, alarms, and notifications from MP3, FLAC, OGG, WAV,AAC(M4A)/MP4, 3GPP/AMR files. You can set the start and ending notes by sliding arrows along the timeline, by pressing Start and End to record the point, or by typing in time stamps.

Explanation for the permissions:

android.permission.INTERNET android.permission.READ_PHONE_STATE android.premission.ACCESS_NETWORK_STATE

Admob by Google company need read phone state and network state to display and improve there Ads quality.

android.permission.READ_CONTACTS android.permission.WRITE_CONTACTS

After you create the ringtone, there is a choice to assign it to your contact. If you choose this option, the Ringtone Maker need to read your contact data and show them in the list, then you can assign the new ringtone to somebody. Ringtone Maker will not collect your contact information.

android.permission.WRITE_SETTINGS android.permission.WRITE_EXTERNAL_STORAGE

After you save a new Ringtone, the APP need rights to write it to your SD card.

For more informations, reach me at taitran.apps@gmail.com, or https://twitter.com/TaiTranDev