We have been using realm in production for a while and it seems to have steadily improved since moving to MongoDB (surprisingly for an acquisition). It is defin

We have been using realm in production for a while and it seems to have steadily improved since moving to MongoDB (surprisingly for an acquisition). It is definitely best of class when it come to doing live sync between a backend and a local database. Realm itself is amazing, fast and intuitive, and the bidirectional sync to MongoDB just works. The only downside is the messy and confusing web admin interface.