Alcohoot officially launched today as a gadget that you can use with it smartphone for measuring your breath. It is an accessory attached to reception audio of iOS devices or Android and will help you effectively monitor your blood alcohol levels.
The Alcohoot costs $120 and is about the size of a Zippo lighter. It is compatible and works fine with devices from Samsung, HTC, Sony, LG, iPhone and all models of the iPad.
There are cheaper breathalyzers, but Alcohoot claims to be something different. The company reports that they use the same sensors that use the Police's breathalyzers.