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BACtrack Helps You Make Better Decisions While Drinking

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Estimate Your Alcohol Level in Seconds

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Stay Safe and Consume Alcohol Responsibly

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Know When Your BAC Will Return to 0.00%

BACtrack C8 breathalyzer
BACtrack C6 breathalyzer
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  • Los Angeles Times logo

    "Seeing the numbers gives you a certain awareness you can't deny."

  • Car and Driver logo

    Independent Test Ranks BACtrack #1 Breathalyzer Brand

  • New York Times logo

    BACtrack Mobile is "spot on" with the $99 police breathalyzer

  • Fast Company logo

    "BACtrack's Mobile Breathalyzer can analyze a user's BAC on the fly!"

  • USA Today logo

    "BACtrack Mobile can actually save lives - either yours or the people you are with."

Fox 2 News: Are Personal Breathalyzers Accurate?

FOX 2 Detroit and Allen Park police teamed up for a study including five people drinking alcohol to test a BACtrack C6 keychain breathalyzer against the police-issued machines to see just how accurate personal breathalyzers actually are. SPOILER ALERT: The C6 matched the police breathalyzer every step of the way.
Woman with BACtrack C6 breathalyzer

BACtrack makes it easy to measure a person's blood alcohol content - quickly, simply and with a high level of accuracy.

Learn how alcohol affects your body and make better decisions while drinking.

Find the Right BACtrack for You

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Man with BACtrack C6 breathalyzer at baseball game

"Whether you are a regular drinker or occasional, your true BAC will surprise you. Anyone who enjoys alcoholic beverages should own a BACtrack and use it regularly."

-Todd W., Florida
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Customer Reviews

[pr-total-reviews]

  • Why wouldn't you want to know?

    Owning a BACtrack doesn't make you an alcoholic, it makes you a responsible drinker. This should be a no-brainer for who anyone who drinks.

    - Lauren from Los Angeles, CA

  • Easy to use & carry around

    This tiny breathalyzer is perfect for on the go. It's easy to use and read. I love having it around with friends after work so everyone can drive safely.

    - Katrina from Denver, CO

  • An Eye Opener

    I recently went to a dinner with a friend who got a DWI on the way home. I was very surprised as we only had 1-2 drinks each and shared some wine. I started using a BACtrack and was astonished that my BAC was much higher than I was estimating. The level of drinks or feeling tipsy that I would normally have not driven was actually much higher than 0.08. This device is amazing in that it now helps me clearly understand how many drinks over what period of time I need to be safe.

    - Charlie from Cranford, NJ

  • Super convenient and easy to use

    I love having this for mimosas at brunch and dinner and drinks. It helps me keep track of how I'm feeling and whether or not to cut myself off.

    - Brunch Queen from Boise, ID

  • Peace of mind

    It's ideal for anyone who is concerned about doing the right thing (for themselves, other road users and their vehicles). Not only does it show when you need to call a driver or get a cab, it also helps you see how and when you react to a drink or two.

    - Gaz from Wellington, New Zealand

  • Money well spent!

    Wouldn't go without it after having had one for years now. Even if you only occasionally drink, you should have this. Your results might surprise you!

    - Johnny from Lexington, KY

  • Great for dinner parties

    Everyone who's been drinking uses it before they're allowed to leave my house. A literal life saver.

    - Alice from Tacoma, WA

  • So much peace of mind

    It has been so educational to own a BACtrack and has helped me to ensure that I am never in a situation where I might endanger myself or others. It has also helped me to better determine the kind of limits I want for myself even when I'm not driving.

    - Sam from San Francisco, CA

  • Breathalyzers for all of my family

    These are easy to use and take with you anywhere. Very accurate, and for the price I do not know why anyone would not have one to use any time after drinking. I have bought these for each family member and for close friends.

    - Mark from Santa Maria, CA
Read All Reviews

BACtrack View Remote Alcohol Monitoring

Share a video-verified record of your sobriety directly from your smartphone

✓ Court Approved Nationwide
✓ No Activation Fees or Long-term Contracts
✓ Free Smartphone Breathalyzer

Get BACtrack View

BACtrack Skyn Wearable Alcohol Monitor

Measures transdermal alcohol content (TAC) and sends the results to a smartphone app in real time.

Now available for clinical research and university studies!

Join the Beta
BACtrack Skyn wearable alcohol biosensor

Popular Breathalyzer Articles

BACtrack Breathalyzer Blog
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    Can You Trick a Breathalyzer?

    Can You Trick a Breathalyzer? Misconceptions persist about what breathalyzers can and can’t do and how a person might be able to "beat" one in a roadside test. The following...

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    Can You Trick a Breathalyzer? Misconceptions persist about what breathalyzers can and can’t do and how a person might be able to "beat" one in a roadside test. The following...

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    How Many Drinks Does it Take to Reach 0.08 %BAC? In an era of heightened awareness about the perils of drinking and driving, the decimal 0.08 requires no explanation. Smartphone...

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  • Factors that Affect BAC

    Factors that Affect BAC

    Factors that Affect BAC Blood alcohol content (BAC) is a measure of the amount of alcohol that is present the blood, based on the volume of alcohol consumed over a given...

    Factors that Affect BAC

    Factors that Affect BAC Blood alcohol content (BAC) is a measure of the amount of alcohol that is present the blood, based on the volume of alcohol consumed over a given...

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BACtrack Breathalyzer Blog