Is it possible to share a core data store between two different iPhone apps signed by the same developer? I would like to develop an application where one iPhone app will save a stream of data, which can then be read by the other app. Is this even possible? Thanks a lot!
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No, that’s not possible. An iPhone application runs in a sandbox and though doesn’t have access to another applications data store.
Edit:
After reading the others answers here: Yes, Custom URLs are possible. And yes it’s possible to transfer data with it, but, I, in my opinion, wouldn’t recommend this procedure to transfer more than 5kb of data. There is no failsafe: No transactions and no relations.