The BACtrack S80 Professional Breathalyzer costs a bit more than the other models on our list, but it also provides the most accurate measurements.

In our tests, the BACtrack was within 0.01 percent from the police equipment we compared it with, making it the only breathalyzer we tested to prove nearly as accurate as the police hardware.

A BACtrack spokesperson said the S80 is used by hospitals, researchers and law enforcement agencies, typically to determine if someone should be brought in for further testing.

Best overall — BACtrack S80 Professional Breathalyzer ($125) Image used with permission by copyright holder. The BACtrack S80 is one of the most advanced breathalyzers on the market.

BACtrack Mobile Breathalyzer Review: ... Yes, they used the same high-grade sensors that they put into their S80 Professional Edition, but you can get the S80 for 40 bucks less.

Check Latest Price Our Verdict on the Best Breathalyzers. Our top pick for the best breathalyzer is the BACtrack S80 Professional Breathalyzer.This portable breathalyzer is a high-quality product ...

In the thick of summer it’s easy to get swept up in the thrill of lazy lake days and pool parties. One minute you’re lounging on a giant pool float sipping a hard iced tea and before you know ...

The BACtrack Mobile Breathalyzer ($150) is a professional-grade alcohol-testing device that works in conjunction with an iOS app to track blood alcohol content.

The $149.99 BACtrack Mobile Breathalyzer travels well and syncs wirelessly with iPhones, but be careful not to overshare on social-networking sites.

With Bluetooth connectivity and Apple HealthKit integration, the BACtrack Mobile Smartphone Breathalyzer for iPhone brings the "quantified self" trend to a new category: alcohol consumption.