10 Best Bactrack Go Keychain Breathalyzer of 2025

Tested and Reviewed: Top 10 Bactrack Go Keychain Breathalyzer deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

BACtrack

BACtrack Keychain Breathalyzer (Green) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

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Editor's bottom line:

“This bactrack go keychain breathalyzer is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Keychain ceases to function properly during the first year of operation, we will repair or replace the defective product.

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Picked by 397 people today

9.5

BACtrack

BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

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Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product

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9.5

BACtrack

BACtrack Go Keychain Breathalyzer (White) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

Free Shipping

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product.

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9.2

BACtrack

BACtrack C6 Keychain Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

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Main Highlights

ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the C6 utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
KNOW WHEN YOUR BAC WILL RETURN TO 0.00% - BACtrack's innovative ZeroLine technology estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
COMPACT & PORTABLE DESIGN - This mini handheld breathalyzer measures just 2.21" x 1.88" and fits easily in a purse, pocket, or on your keychain, so you can always have it when you need it.
OPTIONAL WIRELESS CONNECTIVITY - Use the BACtrack C6 with or without your smartphone. "Standalone Mode" delivers your BAC results directly to your C6. "App Mode" wirelessly delivers your BAC results to the BACtrack App on your smartphone. Easily switch between modes.
ONE-YEAR WARRANTY - If your BACtrack C6 ceases to function properly during the first year of operation, we will repair or replace the defective product.

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9.0

BACtrack

BACtrack Go Keychain Breathalyzer - White (2 Pack) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

Free Shipping

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product

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8.8

BACtrack

BACtrack Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

Free Shipping

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Keychain ceases to function properly during the first year of operation, we will repair or replace the defective product.

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8.6

BACtrack

BACtrack Keychain Breathalyzer (Blue) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

Free Shipping

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Keychain ceases to function properly during the first year of operation, we will repair or replace the defective product.

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8.3

BACtrack

BACtrack Go Keychain Breathalyzer (White) and 20 Breathalyzer Mouthpieces Bundle

Free Shipping

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers reliable, accurate BAC results you can trust
EASY TO USE - One button operation means you simply power on your Go keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack Go breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE YEAR WARRANTY - If your BACtrack Go ceases to function properly during the first year of operation, we will repair or replace the defective product at no charge

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8.1

BACtrack

BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

Free Shipping

Main Highlights

ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented BluFire Fuel Cell Sensor, the C8 utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
KNOW WHEN YOUR BAC WILL RETURN TO 0.00% - BACtrack's innovative ZeroLine technology estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand.
COMPACT & PORTABLE DESIGN - This mini handheld breathalyzer measures just 2.21" x 2.5" and fits easily in a purse, pocket, or car, so you can always have it when you need it.
OPTIONAL WIRELESS CONNECTIVITY - Use the BACtrack C8 with or without your smartphone. "Standalone Mode" delivers your BAC results directly to your C8. "App Mode" wirelessly delivers your BAC results to the BACtrack App on your smartphone. Easily switch between modes.
QUICK START - Insert the included AAA battery, with the + side on the right side. Hold the silver power button for 1 second until you hear a beep.

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8.1

BACtrack

BACtrack Go Keychain Breathalyzer (White) and Carrying Case Bundle

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Main Highlights

#1 RATED SMARTPHONE BREATHALYZER - "Comparing smartphone breathalyzers against the $890 unit used by the California Highway Patrol, only one was spot on with the police-grade model... BACtrack Mobile." - The New York Times
ESTIMATE YOUR ALCOHOL LEVEL WITH PRO-GRADE ACCURACY - Powered by BACtrack's patented Xtend Fuel Cell Sensor, BACtrack Mobile utilizes the same professional-grade technology trusted by hospitals, clinics, and even law enforcement.
CALL AN UBER - Remember, the only safe time to drive is when your BACtrack shows 0.00%. Anything above that? You can call an Uber directly from the App.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE YEAR WARRANTY - If your BACtrack C6 ceases to function properly during the first year of operation, we will repair or replace the defective product

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Our Best Overall Choice

Best Choice

9.7

BACtrack

BACtrack Keychain Breathalyzer (Green) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

QUICKLY & EASILY ESTIMATE YOUR BAC - Proprietary Advanced MicroCheck Sensor technology delivers results in seconds.
EASY TO USE - One-button operation means you simply power on your keychain breathalyzer and begin testing in seconds. It's that easy!
TAKE IT WITH YOU ANYWHERE - The ultra-compact BACtrack breathalyzer keychain easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion.
OPTIMAL BREATH CAPTURE - The innovative fold-out mouthpiece ensures only your breath goes into the alcohol tester, while other airborne pollutants are kept out.
ONE-YEAR WARRANTY - If your BACtrack Keychain ceases to function properly during the first year of operation, we will repair or replace the defective product.

Show Price

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