Apple just released NotesBook 3.1, which is now compatible to iPhone 5 and iOS 6 devices. Please try it and if there is still a glitch, please post to support.youatnotes.com/notesbook.
As you may know, NotesBook synchronizes the your Lotus Notes Journal or iNotes Notebook to your iPhone or iPad. It’s already used by a lot of satisfied users and got some nice reviews! So if you want your Lotus Notes Journal or iNotes Notebook on your iPhone or iPad, go ahead, have a look at NotesBook!