Estimates when you will likely be sober, based on your last reading. 

Apple Health

Integrates seamlessly with Apple Health so you can see your total health picture and assess how alcohol may influence factors such as sleep and activity level.

Apple Watch

Sends accurate results straight to your wrist. Apple Watch features include Active ZeroLine™, which offers a continuous countdown to 0.00% BAC available at a glance.

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Precision Hardware

Thoughtful design, unrivaled accuracy.

Proprietary Sensors

Provides the most accurate results because of our sensors: police-grade Xtend® fuel-cell and reliable MicroCheck sensor technology.



Includes washable, disposable mouthpieces to improve accuracy by collecting the highest quality sample, and to allow you to test others safely.


Privacy & Sharing

Choose what happens to your results. Delete? Track privately? Send as anonymous, randomized data? Share only with a loved one? Post to social media? You choose.