BACtrack Vio Smartphone Breathalyzer

$49.99 USD

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Instantly transform your smartphone into a breathalyzer with the ultra-portable BACtrack Vio. Quickly and easily estimate your blood alcohol content (BAC), track your BAC results over time, and with ZeroLine®, estimate when your BAC will return to 0.00%. Features wireless connectivity via Bluetooth, powerful app-enabled BAC tracking tools and is compatible with most iPhone and Android devices. Perfect for BAC testing on the go, the Vio fits inside a purse or pocket and can be easily used as a keychain.


Key Features

  • Advanced MicroCheck® Sensor - Proprietary Advanced MicroCheck® Sensor technology delivers reliable, accurate BAC results you can trust.
  • app
  • Ultra-Compact Design - Fits inside a purse or pocket and can be easily used as a keychain
  • Bluetooth® Connectivity - Wirelessly syncs with your iPhone or Android smartphone via Bluetooth
  • ZeroLine® Technology - Estimates when your BAC will return to 0.00%, empowering you to make smarter decisions while drinking
  • BACtrack Companion App - The free BACtrack App saves and tracks BAC results over time, including optional photos, notes and drink logs
  • Guess Your BAC Feature - Helps you better understand how alcohol is affecting your body, putting you in control of the night
Dimensions 0.95 x 2.85 x 0.65 inches
Weight 2.0 oz (57g)
Mouthpieces Fold-out; 3 included
Battery 1 AAA battery, included
Sensor Technology Advanced MicroCheck®
Warm-up Time About 10 seconds
Blowing Time 5 seconds
BAC Range 0.000-0.400% BAC
Warranty 1 Year
Compatible Devices iPhone 4S, 5, 5C, 5S, 6, 6 Plus; iPad 3, 4, iPad Air, iPad Mini 1 and 2; iPod Touch 5; Samsung Galaxy S3, S4, S5, and other Android 4.3 (and above) smart devices equipped with Bluetooth Smart
Customer Ratings Rated 4.1 out of 5 by 21 customers.

Advanced Technology, Superior Design

Through proprietary MicroCheck® Sensor technology, BACtrack Vio offers users a high level of accuracy and reliability. Using a semiconductor sensor as a base, the MicroCheck® sensors go through a patented burn-in process that equalizes the response, resulting in a higher level of performance, when compared to standard semiconductor sensors.

Vio was also designed with an innovative flip-up mouthpiece to collect a high quality breath sample, an essential component for reliable results; a user’s breath goes into the breathalyzer and ambient air, fumes, and other airborne gases are kept out. The folding mouthpiece pulls out during testing and slides back down during storage.

Breakthrough Features

BACtrack Vio offers features never previously available on a breathalyzer. Its unique ZeroLine® estimates how long it will take your Blood Alcohol Content to return to 0.00% based on your last test result. ZeroLine is displayed after every result and tracks your estimated BAC over time.

Want to see your BAC from last night or last week? It’s easy—just save results and view your history on the Tracking Graph. Attaching pictures, notes, drinks, and locations to your readings is a snap. And safety information is always just a click away. Learn how a 0.05 %BAC may impact your vision, motor skills, and coordination.


Privacy and Sharing

Your BAC results can be as private or as public as you want them to be. Simple privacy settings put you in control over what data is saved, if any. Choose to share readings privately via text message with a friend or family member, along with photos, location, and time. Feeling social? Share results with your network on Facebook or Twitter and spark a dialog about responsible drinking.

Apple Health App Integration

BACtrack’s latest app update includes integration with Apple’s Health app, which lets users optionally sync data from the BACtrack app directly to the Health app.

By automatically syncing data from the BACtrack app, users can view their BAC data directly in the Health app’s central dashboard, alongside data from other health monitoring apps. This allows users to make correlations between their alcohol consumption patterns and other factors that contribute to their overall health.

How it Works

It takes only seconds to pair BACtrack Vio with your iPhone or Android device. Click “Take a reading” on your phone and blow into BACtrack Vio. The app visually guides you through the test process, displaying results on your phone.

The companion BACtrack app is a free download from the App Store or Google Play.

Click here to view the BACtrack app in the App Store.

Click here to view the BACtrack app in Google Play.

What's Included

The BACtrack Vio kit includes:

  • BACtrack Vio Breathalyzer
  • 1 AAA battery
  • 3 mouthpieces
  • Owner's Manual
  • One-year warranty

Compatible Devices

Apple iOS

  • iPhone: 4S, 5, 5C, 5S, 6 & 6 Plus
  • iPad: 3, 4, iPad Air, and Mini 1& 2
  • iPod: 5th generation


  • Samsung: Galaxy S3, S4 & S5
  • Sony: Xperia Z2 & Z3
  • HTC: One & One (M8)
  • Google: Nexus 5
  • LG: G3
  • Most other smart devices running Android 4.3+ and equipped with Bluetooth Smart

    Customer Reviews

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