Breathalyzers and Smartphone Apps

smartphone breathalyzerTechnology nowadays is developing in such a way that pretty soon, cars will be able to fly. Well, probably not, but at the very least, if you’ve been drinking, a cell phone application could be able to tell you to stay in the passenger side rather than behind the wheel and risk a DUI  charge.

DUI checkpoint at your fingertips

Maybe you have had 1 beer, 1 glass of wine, and 1 shot. Or, maybe you have had six shots and two beers. Regardless, you could ‘feel fine’ but still not be able to legally drive (with the limit being less than .08). It is obviously risky to decide to get behind the wheel if you are not sure how the alcohol has affected your blood alcohol content and motor skills, but now, there are more than a few apps for that.

Smartphone breathalyzer apps that may be of interest

Although there are several smartphone applications that can ‘detect’ your blood alcohol concentration, there are three very popular ones on the market. Those three applications include: the BACtrack, the Breathometer Breeze and the Alcohoot.


Your Bluetooth connectivity is the key to this device. Similar to most smartphone breathalyzers, you blow into the device and your smartphone displays your results. Uniquely, it allows you to utilize social media and do some comparing. You can share your results with your friends, advertise where you are with geotags, and bring your friends into the action by seeing which of you has the highest BAC.

Breathometer Breeze

This app uses a standard 20 minute differential between your last drink and your current BAC. The app asks you to confirm it has been 20 minutes since your last drink, makes you take a deep breath and then blow into the mouth of Breeze for 5 seconds. It also pairs you with restaurants in the area until your BAC is under control, allows you to call a cab, connects with Uber, and even helps you get a designated driver from your list of contacts.


This smart app uses an FDA-registered fuel cell sensor, conveniently the same technology used by police and military devices. All you need is your headphone jack, and it will begin to register your breathalyzer for your BAC amount.

Here’s the catch

Chemistry is a science and there’s not an app in the world that can be 100 percent accurate. Your body is the only true measure of your blood alcohol content, and if you rely solely on a smart device, you could be in deep trouble if you decide to drive and get pulled over. Many factors play a part in how much your blood alcohol content could be, such as age, sex and weight. These devices first make you type in your personal numbers to help get a more accurate reading, however, even that could prove to be deceiving. It also may depend on your alcohol tolerance, and other medical factors.

Breathalyzer smart app and how we can help

If you choose to rely on a breathalyzer app and a police officer pulls you over, your life isn’t necessarily ruined. The police need to adhere to certain standards for actual breathalyzer tests (rather than a smart phone app), and the experienced attorneys at the office of Alpert Schreyer, LLC know what those standards are. If you need help with your case, dial 866-444-6363 for your free consultation.

About Andrew Alpert

+Andrew is one of the leading DUI and criminal defense attorneys in both the state of Maryland and the District of Columbia. He blogs about Maryland DUI law, has numerous videos on the subject and has been asked to appear on national television to offer his legal opinion on high-profile criminal cases.