I was just going to post a shameless plug when I saw your comment. Here it is as a reply :) If you are interested in transparent data sharing across devices, w

I was just going to post a shameless plug when I saw your comment. Here it is as a reply :) If you are interested in transparent data sharing across devices, with realtime magic and fully offline editing capabilities, you might want to look at Couchbase for Mobile, a synchronizing NoSQL database for iOS (with Android coming soon). It is still pre-alpha but has an active community and is 100% open source (by the team behind TouchDB), so you can run it on your own servers. https://groups.google.com/forum/#!forum/mobile-couchbase https://groups.google.com/forum/#!forum/mobile-couchbase /end shameless plug. Hope it is on topic for the folks reading this thread.