4 ms·Aww, Watch 4; I still love my Watch 2 though, any alternative app to replace it?by stevefan1999 8y agoAww, Watch 4; I still love my Watch 2 though, any alternative app to replace it?photojosh 8y agoIt's not just an app, there's dedicated hardware to support it.epmaybe 8y agoThere's a hardware band for any Apple watch that you can buy from AliveCor called KardiaBand.