Hearty talk

If you find wearing a heart rate monitor around your chest uncomfortable when working out, your iPhone may soon do the trick.

If you find wearing a heart rate monitor around your chest uncomfortable when working out, your iPhone may soon do the trick.

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Swiss company CSEM has just finished the prototype for an iPhone app heart monitor dubbed Pulsear, based on ideas used to develop sensor technology for astronauts.

Pulsear measures heart rate in real time, and lets you see your heart rate on screen and compare, for example, today’s jog with last week’s.