Among the innovations introduced by the new smartphone from Samsung presented on Monday at the Mobile World Congress is the heartbeat sensor. Simply place your finger on the back, and an app detects the pulse of the heart in a few seconds. The measurements are recorded in a kind of diary (or medical record) and can be shared on Twitter and Facebook. The pulse sensor is the latest fad among electronic gadgets designed for fitness: we have new bracelets from Sony and also the two Smartwatch the same Samsung, the Gear 2 and Gear 2 Neo (and Gear Fit), as well several other fitness band already on the market.
Within the year, Apple is expected to launch the iWatch and is likely to also include a heartbeat sensor (while there is already talk of an app dedicated to health iOS 8). But in the meantime, behold, seven app to easily keep under control the heart with an iPhone. Some have been around for years and are compatible with models that are not very recent, others are more recent and also have a version for Android. Those who have chosen are free and offer quite accurate measurements, even if they can not replace your doctor.
In the absence of a dedicated sensor smartphone Apple, are all based on the same principle: control the amount of light that passes through the skin, which varies depending on the inflow of blood. For this trigger the flash and require a finger goes to cover the camera lens. Many then record the data and allow you to share them on social networks. Just like on the Galaxy S5, in fact. But the last will leave you speechless: download it and try it.
GALLERY: apps that control the heartbeat
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