The most-requested feature of Vesper is (finally) here: you can now back up your notes to Vesper’s free storage service in the sky. But Vesper is still an iPhone-only app — there’s no iPad or Mac apps, or even a website where you can view your notes. So, while this is potentially a syncing service, it’s more of a backup service. For now.
Update Brent Simmons has confirmed that a Mac app is next. Very exciting.