You can back up all texts, Playlists, and Replace Words to the notes app, Gmail, or anywhere to restore it later. You cannot back up other settings of Voicepaper.
*When changing iPhone devices, Voicepaper will be downloaded to the new device via iCloud. In this case, data restoration will fail. Please re-download Voicepaper from the App Store, and then restore the data previously saved on your old device.