Feeling tipsy? New apps read blood alcohol levels, hail a taxi

Feeling tipsy? New apps read blood alcohol levels, hail a taxi

TORONTO - Before getting behind the wheel after a night out, a driver can test his blood alcohol level with new apps that not only give a reading but can call a cab.

Breathometer, for iPhones and Android smartphones, and BACtrack, for iPhones, display a user's blood alcohol level within seconds on smartphone-connected breathalyzers.

"People think, 'Oh, I'm driving around the corner,' but it's not until they get pulled over that they realise they're over the limit," said Charles Michael Yim, chief executive of Breathometer, based in Burlingame, California.

More than 1.2 million people were arrested in the United States in 2011 for driving under the influence of alcohol, according to Federal Bureau of Investigation data.

Yim said his company's aim is to prevent drunk driving by raising awareness of alcohol levels and enabling drivers to make smarter decisions.

The Breathometer plugs into a smartphone's headphone jack, and the user blows on the device. The BACtrack connects to the iPhone via Bluetooth. Both use sensors that meet US Food and Drug Administration standards and can detect blood alcohol levels with accuracy within 0.01 per cent, according to the companies.

Breathalyzers have been around since the 1950s. By pairing them with smartphones and making them smaller and more cost effective, more people will be able to use them, Yim said.

"We are catering to a completely different audience that wouldn't have considered buying one before," he said.

Breathometer's breathalyzer is the size of a car key and fits into a pocket or on a key chain. The app can detect a user's GPS location, order a cab if the user can't drive home, and estimate how long it will take for the user to become sober.

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