Before the S4 Apple Watch came out, I used AliveCor. Works pretty well, though obviously not as reliably as the watch does. And to enable basic storage functi

Before the S4 Apple Watch came out, I used AliveCor. Works pretty well, though obviously not as reliably as the watch does. And to enable basic storage functionality in the app they want you to pay $5/month. Pretty quickly it costs more than just getting the watch.