Functional
Does the app run without any crashes?
Does the app include valid biometric authentication, either via fingerprint or camera?
Can you confirm that only the app's user are able to access the notes?
Is it possible to add a new note through the app?
Can you delete a note from the app?
Is it possible to delete all the notes?
Is it possible to edit an existing note in the app?
Is the note saved and updated properly after editing it in the app?
Does the app display an error message if any required field is left empty when adding or editing a note?
Do all notes remain visible after closing and reopening the app?
If you add a note, save it, close the app, reopen it, edit the same note, and then close and reopen the app again, does the updated note value persist?
