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Personal CO monitor

The World's First Smokerlyzer® Breath CO Monitor For Your Smartphone/Tablet

The iCO™ Smokerlyzer® is the world's first Smokerlyzer® breath carbon monoxide (CO) monitor that connects to your mobile device. Taking a CO breath test with the iCO™ Smokerlyzer® is quick and easy to complete. Your personal iCO™ enables you to test your CO levels anytime, anywhere.

Personal CO monitor

What is it?

The iCO™ Smokerlyzer® plugs into the headphone slot of your smartphone/tablet and is used in conjunction with the Smokerlyzer® app. Instant readings can be downloaded to a personal profile, allowing users to track their progress, and be motivated to quit smoking, anytime, anywhere. What's more, progress can be shared with smoking cessation advisors, fellow quitters, friends and family.

Why is it important?

The iCO™ Smokerlyzer® monitor measures the amount of poisonous carbon monoxide (CO) on a person’s breath via a simple and non-invasive breath test. CO monitors are used as a motivational tool by smoking cessation professionals to promote part of a healthy lifestyle, which may help to reduce the risk of smoking-related diseases. Monitoring an individual’s breath CO levels can indicate the level of their smoking habit and can also act as a marker of recent smoking activity.

The iCO™ Smokerlyzer® offers a new way for smokers to monitor their habit and provide encouragement for them to quit smoking without being in direct contact with a doctor or smoking cessation advisors.

The iCO™ Smokerlyzer® an innovative piece of technology for users to track their progress to a smoke-free life, the iCO™ Smokerlyzer® is user-friendly, fits in your pocket and provides constant support to those who are trying to quit smoking.

Benefits to the user

A pocket-sized, personal use, CO monitor

Connects to app on your smartphone or tablet

The Smokerlyzer® app records your readings and evaluates your nicotine dependency

You can send your results via the app to your doctor/smoking cessation advisor/family or friend 

Why the iCO™ Smokerlyzer®?

The iCO™ Smokerlyzer® offers a unique way to aid smoking cessation, take control of your smoking habit and monitor your CO levels as a visual aid and validation of your journey to a smokeless life. 


The latest iCO™ Smokerlyzer® literature.

Product Specification

Concentration range
0-100 ppm
Detection principle
Electrochemical sensor
<±5% or <±3ppm - whichever is highter
H2 cross-interference
Operating life
Approx. 200 tests/3 years - whichever comes first
Sensor sensitivity
1 ppm
Approx. 28mm diameter x 115mm long
Approx. 35g


Compatible phones & tablets:
Samsung Galaxy S6 & S6 Edge
Samsung Galaxy S7 & S7 Edge
Samsung Galaxy S8 & S8 Edge
Samsung A3
Samsung J5
iPhone 5, 5S, 6, 6S
iPhone 7, 7+, 8+, X (lightning cable will be required)
Sony Xperian Z5
Moto e4 Android
Samung Galaxy 10.1' 4.4.2
Samsung Galaxy 3 8' 4.4.2
LenovoPad_A10-70F, 4.4.4

Incompatible phones & tablets:
Song D5803, 5.1.1
Huawei Honor 9 & 10

If your phone or tablet is not listed above, it may still be compatible but has not been tested.

Where can I buy?

If you would like more information or would like to purchase one of our monitors please select the country you are in on the right hand side. A full list of distributors in your area will be displayed.