While Google purchased Fitbit in the interim between both releases, these still use the company's proprietary Fitbit OS in lieu of Wear OS 3. For that, you'll need to get the Pixel Watch, the Samsung Galaxy Watch 5, or the Montblanc Summit 3. Instead, these releases from Fitbit iterate and refine what made their previous models so good. The good batteries and handsome designs remain, accompanied by changes to heft and feel and minor software tweaks here and there. With so much overlap, there's a question to be raised about which of the two is the better fit for your wrist and wallet, so which is better for you? We found out. Specs