How to recover SafeNote data from an iPhone
If you find yourself with lost data from the SonnyBunny SafeNote app after upgrading to iOS 11, please contact our support team using the contact information below. So long as it is present in your backup, we will be able to assist you in recovering this data with iPhone Backup Extractor.
The app stores its main data file under Library/Private Documents/CoreDataNotes.sqlite, and other files under com.sonnybunny.safenote.
Users will see the application presents under App View similarly to the screenshot below:

The app used the following namespace: com.sonnybunny.safenote.