I was a longtime Fitbit user. I think the iconic will be a nice device and fitbits apps are some of the nicest out there. That being said, if you are using a Samsung phone, the gear fit 2 pro provides a lot more features for less money. I really like that I can view stats, charts, and maps right on the device without having to open the app on my phone.
I wish Samsung health was a little more streamlined.
It will come down to how much you want to spend and what features are most important to you.