Sure, Garmin devices work with iOS but a bunch of features don't like notification replies. It's not that 3rd party smartwatches don't work, it's that they are

Sure, Garmin devices work with iOS but a bunch of features don't like notification replies. It's not that 3rd party smartwatches don't work, it's that they are deliberately knee-capped by Apple to make the Apple Watch seem better. And come on, in most developed countries iOS is like half the market easily.