Best Breathalyzers of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 14, 2025

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Breathalyzers are devices that measure the alcohol content in a person's breath. They are commonly used by law enforcement officials to determine if a driver is under the influence of alcohol while operating a vehicle. However, they are also becoming increasingly popular among individuals who want to monitor their own alcohol consumption. Portable breathalyzers are now available for personal use, allowing individuals to test their blood alcohol content before getting behind the wheel or engaging in other activities that require sobriety. They are also useful for those who are in recovery from alcohol addiction and want to track their progress.

At a Glance: Our Top Picks

BACtrack S80 Breathalyzer | Professional-Grade Accuracy Cover #TOP 1
BACtrack S80 Breathalyzer | Professional-Grade Accuracy
ftb score rating icon 9.9
BACtrack C6 Keychain Breathalyzer Cover #TOP 2
BACtrack C6 Keychain Breathalyzer
ftb score rating icon 9.8
BACtrack C8 Breathalyzer with Smartphone Connectivity Cover #TOP 3
BACtrack C8 Breathalyzer with Smartphone Connectivity
ftb score rating icon 9.6

Top 10 Breathalyzers

#TOP 1

BACtrack S80 Breathalyzer | Professional-Grade Accuracy

S-80
Black
1 Count (Pack of 1)
BACtrack S80 Breathalyzer | Professional-Grade Accuracy Cover
BACtrack S80 Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Approved | FDA 510(k) Cleared | Portable Breath Alcohol Tester for Personal & Professional Use

The BACtrack S80 Breathalyzer is the top-rated personal breathalyzer according to TheWirecutter, February 2022. It features a professional-grade accuracy utilizing the same pro-grade technology trusted by hospitals, clinics, and law enforcement. The device is simple to use with one-button operation, changeable units of measurements, and user-defined BAC thresholds for testing. The S80 is DOT/NHTSA approved and FDA 510(k) cleared for personal use, making it the top choice of safety-conscious individuals and businesses.

What We Like
Accurate BAC measurements
Durable and portable design
Includes spare batteries
User-friendly instructions
Helps maintain responsible drinking
What We Don't Like
Minor confusion with button labels
Manual not available in all languages
#TOP 2

BACtrack C6 Keychain Breathalyzer

BT-C6
White
1 Count (Pack of 1)
BACtrack C6 Keychain Breathalyzer Cover
BACtrack C6 Keychain Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

The BACtrack C6 Keychain Breathalyzer is a compact device that helps you estimate your alcohol level with professional-grade accuracy. It utilizes BACtrack's patented BluFire Fuel Cell Sensor, which is trusted by hospitals, clinics, and law enforcement. The device also features ZeroLine technology that estimates the time until your BAC level returns to 0.00%, and allows you to call an Uber directly from the app if necessary. Optional wireless connectivity and modes are available.

What We Like
Compact and portable
Accurate readings
User-friendly operation
Fun conversation starter
What We Don't Like
Calibration required every 6 months
May show inconsistent readings
#TOP 3

BACtrack C8 Breathalyzer with Smartphone Connectivity

BT-C8
White
1 Count (Pack of 1)
BACtrack C8 Breathalyzer with Smartphone Connectivity Cover
BACtrack C8 Breathalyzer | Professional-Grade Accuracy | Optional Wireless Smartphone Connectivity | Compatible w/ Apple iPhone, Google & Samsung Android Devices | Apple HealthKit Integration

The BACtrack C8 Breathalyzer accurately estimates your alcohol level with professional-grade BluFire Fuel Cell Sensor technology. The ZeroLine feature helps you estimate when your BAC will return to 0.00%. If you need to call an Uber, you can do so directly from the app. The C8 can be used with or without your smartphone, with a stand-alone mode that delivers results directly to the device. Additionally, the product is compatible with Apple HealthKit.

What We Like
Accurate results
Compact and portable design
Easy to use
Helpful app features
Good for monitoring alcohol intake
What We Don't Like
Occasional inaccuracies
App usability issues
#TOP 4

BACtrack Trace Breathalyzer

BT-P3
Black
1 Count (Pack of 1)
BACtrack Trace Breathalyzer Cover
BACtrack Trace Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use

The BACtrack Trace Breathalyzer is a portable and easy-to-use alcohol tester that utilizes professional-grade technology for accurate results. With a simple one-button operation, the Trace is designed to meet the rigorous standards of expert alcohol testers, from roadside law enforcement to hospitals and treatment professionals. It is small enough to fit in a pocket or purse, making it easy to take with you anywhere you go.

What We Like
Accurate BAC readings
Easy to use
Portable design
Correlates with user's buzz
Good investment for safety
What We Don't Like
User error possible
Occasional FLO error
#TOP 5

BACtrack Go Keychain Breathalyzer

BT-KC22-I
Black
BACtrack Go Keychain Breathalyzer Cover
BACtrack Go Keychain Breathalyzer (Black) | Ultra-Portable Pocket Keyring Alcohol Tester for Personal Use

The BACtrack Go Breathalyzer is designed for effortless personal use, allowing you to quickly check your blood alcohol content (BAC) with confidence. Its one-button operation means you can start testing in mere seconds, making it incredibly user-friendly. The compact design fits easily in your pocket or purse, so you can take it anywhere you go. Additionally, the unique fold-out mouthpiece ensures that only your breath enters the device, preventing any interference from outside contaminants. This breathalyzer is a convenient tool for those who want to stay responsible while enjoying social events.

What We Like
Cost-effective solution
Fun for group testing
Provides consistent results
Useful for personal calibration
What We Don't Like
Inconsistency in readings
May require multiple tests
#TOP 6

TAIOK Portable Alcohol Breathalyzer

Black
TAIOK Portable Alcohol Breathalyzer Cover
Portable Breathalyzer, Personal Alcohol Breathalyzer Tester with Compact Design & Blue LCD Digital Display, 4 Reusable Mouthpieces for Personal&Professional Use-Black

The TAIOK Breathalyzer Tester is designed for ease of use, making it simple to check your alcohol levels before driving. Just insert the batteries, press a button, and after a quick warm-up, you can blow into the device for results in seconds. Its blue LCD display ensures you can read your results clearly, even in low light. The compact design allows you to carry it easily, and with four reusable mouthpieces, you can test yourself and your family accurately. Plus, the built-in alert system warns you if your BAC is at a dangerous level, helping you make informed decisions for safety.

What We Like
Accurate results
Easy to use
Portable design
Durable construction
Excellent customer service
#TOP 7

BACtrack Element Breathalyzer

BT-ELMT
Black
1 Count (Pack of 1)
BACtrack Element Breathalyzer Cover
BACtrack Element Breathalyzer | Professional-Grade Accuracy | DOT & NHTSA Compliant | Portable Breath Alcohol Tester for Personal & Professional Use

The BACtrack Element Breathalyzer is a professional-grade device that utilizes the same technology trusted by hospitals and law enforcement. It is extremely easy to use with one-button operation and is compliant with US DOT & NHTSA regulations for alcohol screening devices. Its small and portable size makes it easy to carry with you and it comes with a one-year warranty.

What We Like
Accurate readings
Easy to use
Portable design
Multiple mouthpieces included
Good value for money
What We Don't Like
Long blowing time required
Inconsistent readings reported
#TOP 8

Figollty Breathalyzer

AT7700
Figollty Breathalyzer Cover
Breathalyzer, Professional-Grade Alcohol Tester with LCD Display, High-Accurate Alcohol Tester with Environment Temperature and Used Records for Home Use (10 Mouthpieces)

The Figollty Alcohol Tester offers professional-grade accuracy with six national alcohol testing standards. It is easy to use with quick warm-up and results displayed on an LCD screen. Voice alerts and color distinctions make it user-friendly, indicating different alcohol levels. The portable design, running on AAA batteries, allows you to carry it anywhere. The package includes multiple mouthpieces for reuse. With a 100-day trial and 2-year warranty, customer satisfaction is a top priority for Figollty.

What We Like
Accurate results
Compact and portable
Easy to use
Comes with extra mouthpieces
Quick response time
What We Don't Like
Requires no eating/drinking before use
#TOP 9

FFtopu Portable Breathalyzer

EK967
Black
FFtopu Portable Breathalyzer Cover
Breathalyzer, Portable Breathalyzer, High-Accuracy Alcohol Tester for Personal and Professional Use with LCD Display, Sound Alerts and 10 Mouthpieces (Black)

The FFtopu Breathalyzer offers high accuracy with its sensitive semiconductor sensor, ensuring reliable readings without frequent recharging. Simply insert two AAA batteries for up to 2000 uses, making it a long-lasting option for personal or professional use. Operation is straightforward; warm it up for 15 seconds, blow for a few seconds, and read your results on the clear LCD display. You’ll appreciate the sound and color alerts that indicate your blood alcohol content, helping you stay safe by knowing when to avoid driving after drinking. Its compact design makes it easy to carry, perfect for parties and social events.

What We Like
Convenient and portable
Easy one-button operation
Multiple mouthpieces included
Quick result display
Affordable price
What We Don't Like
Occasional accuracy issues
Device may stop working
#TOP 10

Bilt Hamber Professional Breathalyzer

Bilt Hamber
Black
Bilt Hamber Professional Breathalyzer Cover
Breathalyzer Professional-Grade Accuracy-Alcohol Analyzer with Connectivity Digital Blue LCD Display for Personal Home or Party Use

The Bilt Hamber Breathalyzer offers precise alcohol measurements using advanced technology, helping you understand your drinking habits. Its unique non-contact testing feature allows you to check your alcohol level without any direct contact, promoting hygiene and safety. You can easily connect it to your smartphone via Bluetooth for real-time data management. Operating the device is simple; just insert two AAA batteries, press a button, and after a brief warm-up, you can get results in seconds. This portable breathalyzer is lightweight, making it perfect for on-the-go use at events or gatherings.

What We Like
High-precision measurements
Non-contact testing
Bluetooth connectivity
Easy to operate
Compact and portable
What We Don't Like
Not specified
Buying Guide Image

Choose the Best Breathalyzers for Your Needs

Introduction

Breathalyzers are essential tools for anyone looking to monitor their blood alcohol content (BAC) levels and make informed decisions about their alcohol consumption. Choosing the right breathalyzer, however, can be a daunting task given the wide range of options available on the market. In this article, we will provide some helpful tips for choosing the best breathalyzer for your needs.

Consider Your Budget

One of the first things to consider when choosing a breathalyzer is your budget. Breathalyzers can range in price from less than $20 to over $200, so it's important to set a budget and stick to it. Keep in mind that cheaper breathalyzers may not be as accurate as more expensive models, but they can still provide a general idea of your BAC levels.

Consider Your Needs

Another important factor to consider when choosing a breathalyzer is your specific needs. If you only need a breathalyzer for occasional use, a basic model may be sufficient. On the other hand, if you need a breathalyzer for professional use, such as in a law enforcement or healthcare setting, you will need a more accurate and reliable model.

Check the Accuracy

Accuracy is crucial when it comes to breathalyzers, as it directly affects the reliability of the results. Look for breathalyzers that are certified by a reputable organization, such as the National Highway Traffic Safety Administration (NHTSA) or the Food and Drug Administration (FDA). These certifications ensure that the breathalyzer has been tested and proven to be accurate.

Consider the Size and Portability

Depending on your needs, you may want to consider the size and portability of the breathalyzer. If you need a breathalyzer for occasional use, a small, portable model may be more convenient. However, if you need a breathalyzer for professional use, a larger, more robust model may be necessary.

Consider the Features

Breathalyzers can come with a wide range of features, such as backlit displays, digital screens, and multiple mouthpiece options. Consider which features are most important to you and choose a breathalyzer that has them.

Conclusion

Choosing the right breathalyzer requires considering your budget, needs, and preferences. Look for breathalyzers that are accurate, portable, and have the features you need. By keeping these tips in mind, you can choose the best breathalyzer for your needs.

Frequently Asked Questions (FAQs)

1. How accurate are breathalyzers?

Breathalyzers have a margin of error of up to 15%. Approximately 20% of people charged with a DUI can end up with inaccurate results from a breathalyzer test. The most accurate way to determine a person's blood alcohol concentration (BAC) is through a blood test.

2. What does a breathalyzer do?

A breathalyzer is a handheld device used to analyze a person's breath and determine their blood alcohol concentration (BAC). It is a useful tool for measuring intoxication and determining if someone is above the legal limit to drive.

3. How long will 2 beers show up on a breathalyzer?

A breathalyzer can detect alcohol for up to 12 hours in some cases. However, the detection time can vary depending on the individual. While the average person metabolizes about one alcoholic drink per hour, this rate can vary.

4. What score fails a breathalyzer?

In general, a blood alcohol concentration (BAC) of 0.08% or higher is considered a failure on a breathalyzer test. However, it is important to note that there are factors that can affect breathalyzer readings, raising questions about their accuracy.

5. How do I lower my BAC fast for a breathalyzer?

Certain methods, such as hyperventilation and drinking water before using a breathalyzer, have been shown to falsely lower breath alcohol concentration (BrAC) readings. It is important for breathalyzer operators to be aware of these methods that can lead to inaccurate results.

6. How many drinks does it take to fail a breathalyzer?

On average, consuming four to five drinks can result in a blood alcohol concentration (BAC) of 0.08%, which is considered above the legal limit in many jurisdictions. It is important to note that individual factors can influence alcohol processing.

7. Will 1 beer fail a breathalyzer?

A breathalyzer test can detect alcohol for up to 12 hours after consuming one alcoholic drink. It generally takes approximately five hours to metabolize the alcohol completely and return to a sober state if the blood alcohol concentration (BAC) is 0.08%.

Editor's Notes

During our breathalyzer research, we found 24 breathalyzer products and shortlisted 10 quality products. We collected and analyzed 108,880 customer reviews through our big data system to write the breathalyzers list. We found that most customers choose breathalyzers with an average price of $31.78.

The breathalyzers are available for purchase. We have researched hundreds of brands and picked the top brands of breathalyzers, including BACtrack, TAIOK, Figollty, FFtopu, Bilt Hamber. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.