KardiaMobile EKG Monitor - Instant EKG on Your Phone | AliveCor %u2013 AliveCor, Inc.. As we grow older, the need for medical monitoring of vital signs becomes more important. As technology advances, the ability to monitor our vitals is becoming portable, and always available. For heart patients, it is very helpful to measure heartrate on the sensors located on modern Smartwatches. Blood pressure is able to be checked with inexpensive cuffs. No Doctor required. Now, more complicated measurements are possible, and a medical grade EKG can now be taken with a $99 device connected wirelessly to a Smartphone. If you are, or know, anyone with a heart problem, buy this now. It could save a life.