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BACtrack
BACtrack Mouthpieces Buy extra replacement mouthpieces for this model BACtrack Breathalyzer Learn more

BACtrack Mobile Smartphone Breathalyzer for iPhone and Android Devices

4.1 out of 5 stars 276 customer reviews
About the product
  • #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. My first test, the officer declared my BAC an official 0.048. Of all the units tested, BACtrack Mobile came the closest with 0.047. My next test, I had exceeded the legal limit on the Alco-Sensor IV with a 0.092, while BACtrack Mobile checked in at 0.091." - The New York Times
  • POLICE-GRADE ACCURACY - Powered by BACtrack's platinum-based Xtend Fuel Cell Sensor, BACtrack Mobile utilizes the same police-grade technology trusted by hospitals, clinics, and even law enforcement. These professional organizations trust BACtrack breath alcohol testers because they know they are getting the most accurate and reliable BAC results possible. BACtrack Mobile can detect trace amounts of alcohol, reliably handles high BAC levels and is accurate to the third decimal place.
  • POWERFUL APP-ENABLED FEATURES - Quickly and easily estimate your blood alcohol content (BAC), save and track your results over time, and with ZeroLine, estimate when your BAC will return to 0.00%. You can even call an Uber directly from the BACtrack App if you've had too much. You choose how much, if any, is saved on your device. Note: All sharing settings are turned OFF by default - you much choose to turn these ON.
  • ZEROLINE TECHNOLOGY - With BACtrack's innovative ZeroLine technology, you're in control of your night. After your BAC results are delivered, ZeroLine estimates the time until your BAC is 0.00%, allowing you to quickly and easily know where you stand. You might be surprised at how long it can actually take for your body to metabolize the alcohol in your system! Apple Watch users can utilize the Active ZeroLine™ feature, which offers a continuous countdown to 0.00% BAC available at a glance.
  • 30 DAY MONEY-BACK GUARANTEE & ONE YEAR WARRANTY - BACtrack is the global leader in breathalyzers, providing the most accurate, convenient and affordable breathalyzers on the market, since 2001. We stand by all our products, but if you are unhappy with your BACtrack, you may return it any time during the first 30 days. All BACtracks also come with a full one year warranty, should you have any issues during your first year. Please contact BACtrack's customer service team for more information.

Frequently bought together

  • BACtrack Mobile Smartphone Breathalyzer for iPhone and Android Devices
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  • BACtrack Mobile Smartphone Breathalyzer Mouthpieces (Pack of 10)
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  • BACtrack Breathalyzer Mouthpieces (Pack of 10)
Total price: $108.97
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From the manufacturer

Instantly Connect to the App in Seconds

Utilizing Bluetooth technology, the BACtrack Mobile seamlessly connects to your iPhone or Android smartphone. Connecting is easy - simply open the BACtrack App (after downloading from the iTunes or Google Play stores), power on your Mobile, and voilà, the app automatically recognizes your device!

Bluetooth Connectivity

Guess Your BAC

ZeroLine Technology

Privacy and Sharing

BACtrack Mobile Smartphone Breathalyzer BACtrack Vio Smartphone Keychain Breathalyzer BACtrack S80 Professional Breathalyzer BACtrack Trace Professional Breathalyzer BACtrack S35 Personal Breathalyzer BACtrack Go Keychain Breathalyzer
BACtrack Mobile Smartphone Breathalyzer BACtrack Vio Smartphone Keychain Breathalyzer BACtrack S80 Professional Breathalyzer BACtrack Trace Professional Breathalyzer BACtrack S35 Personal Breathalyzer BACtrack Go Keychain Breathalyzer
Ideal Use Personal & Professional Personal Personal & Professional Personal & Professional Personal Personal
Sensor Type Platinum Fuel Cell Semiconductor Platinum Fuel Cell Platinum Fuel Cell Semiconductor Semiconductor
Accuracy Rating 10 - Most Accurate 7 - Very Accurate 10 - Most Accurate 9 - Extremely Accurate 7 - Very Accurate 6 - Accurate
LCD Screen
Bluetooth Connectivity
ZeroLine - Estimates time to 0.000% BAC
Battery Type Mini-USB Rechargeable Lithium Ion 1 x AAA battery 2 x AA batteries 2 x AAA batteries 2 x AAA batteries 1 x AAA battery
One Year Warranty

Product description

Instantly transform your smartphone into a police-grade breathalyzer with the award-winning BACtrack Mobile. 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. Because of its police-grade fuel cell sensor technology, BACtrack Mobile is ideal for both personal and professional use.


Product details

  • Product Dimensions: 1.8 x 0.6 x 2.8 inches
  • Shipping Weight: 6.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B00CFN1HNY
  • UPC: 850167002733
  • Item model number: BT-M5
  • Average Customer Review: 4.1 out of 5 stars 276 customer reviews
  • Amazon Best Sellers Rank: #7,292 in Health & Household (See Top 100 in Health & Household)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Bulb Voltage
3.7 Volts

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