It looks like there is a new app called Sync Solver on the market that will tap into your fitbit account and exports the fitbit data and import it into the Health app.
It looks like it will export the data once a day and then import it into the Health app using the Healthkit features in iOS 8.
Read more about it here:
According to 9to5Mac and other sites, it sounds like Apple will soon allow third party products to use the lightning connector.
Well, I think that if this pans out that it shows that even though they are business rivals Apple and Samsung can find some type of common ground when you need parts for your devices.