So is there a way to use any of those devices coming out (including health monitoring!) without leaking everything to the cloud? I'm getting really annoyed tha

So is there a way to use any of those devices coming out (including health monitoring!) without leaking everything to the cloud? I'm getting really annoyed that none of those will actually give you the tools to dump your data yourself in total privacy. (And no, I don't care how many step you had today!)