# Smokerlyzer

> Breath CO monitor app to track smoking cessation progress. (iPhone/iPad app by Bedfont Scientific.)

- Source: https://appshunter.io/ios/app/smokerlyzer/id957361915 (this page in markdown: same URL + `.md`)
- Developer: [Bedfont Scientific](https://appshunter.io/developer/957361914)
- Category: Lifestyle, Medical
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings · 2 written reviews indexed
- Age rating: 17+
- Requires: iOS 7 · 9 MB
- Languages: American English, Dutch, French (France), German (Germany), Italian, Polish, European Portuguese, European Spanish, Swedish
- Released: 2015-11-17
- Data updated: 2026-06-11
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/smokerlyzer/id957361915/reviews.md

## What is Smokerlyzer?

The Smokerlyzer® app is an aid to help people stop smoking, one breath at a time.

Stopping smoking is hard and you can often feel less healthy during your attempt, but with Smokerlyzer® you can instantly see the level of poisonous Carbon Monoxide (CO) leaving your body with a single breath.

Whether you are attempting to quit smoking for good, simply cut back or motivate a loved one, monitoring CO levels with the Smokerlyzer® app will help you accurately track and manage your smoking throughout the quitting process so that you can set and achieve attainable goals. You’ll use it very much like you would use a set of scales if you were trying to lose weight. The less you smoke, the lower your reading, the healthier you are!

Share your results – Email your results daily to friends/family/health professionals who can help motivate you to stay on track in your attempt to stop smoking.

Track your progress – our simple graph will help you track your progress over time, your aim is to get into the green and stay there.

CO breath monitoring is a proven motivational aid that has been helping people to stop smoking for over 30 years.

For best results, we recommend using the app with the iCO™ Smokerlyzer®; the world’s first Smokerlyzer® breath CO monitor for use with your Smartphone. This is purchased separately.

Quit smoking successfully today!

## Key features

- Carbon Monoxide (CO) breath monitoring
- Track progress with graphs
- Share results via email
- Set and achieve quitting goals
- Motivational aid for quitting

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/smokerlyzer/id957361915/reviews.md

### 5/5 — Great app

*2018-06-27, version 1.04*

Works really well with the iCO Smokerlyzer CO monitor. I have iPhone 8 so need the headphone adaptor.

### 5/5 — Ms

*2015-12-10, version 1.0*

Great App! Easy to use and a really good idea to help stop smoking!

## Frequently asked questions about Smokerlyzer

### How does Smokerlyzer help me quit smoking?

Smokerlyzer helps you quit by allowing you to instantly see the level of poisonous Carbon Monoxide (CO) leaving your body with a single breath. This provides a tangible measure of your progress, similar to how scales track weight loss.

### Can I track my progress with Smokerlyzer?

Yes, Smokerlyzer features a simple graph that helps you track your progress over time. The goal is to get your CO reading into the green zone and stay there, indicating improved health.

### Can I share my Smokerlyzer results?

You can share your results daily via email to friends, family, or health professionals. This support network can help motivate you to stay on track with your quitting attempt.

### Does Smokerlyzer require a separate device?

For best results, the app is recommended for use with the iCO™ Smokerlyzer® breath CO monitor, which is purchased separately. This device is the world's first Smokerlyzer® breath CO monitor designed for smartphones.

### What is the age rating for Smokerlyzer?

Smokerlyzer has an age rating of 17+. This is likely due to the sensitive nature of smoking cessation and the target audience for such tools.

### How often is Smokerlyzer updated?

The latest version of Smokerlyzer is 1.05, which was last updated on July 25, 2018. The app was initially released on November 17, 2015.

### What devices does Smokerlyzer support?

Smokerlyzer is supported on iPhone and iPod devices. It is designed to integrate with specific hardware for accurate CO monitoring.

### Does Smokerlyzer have ads?

No, Smokerlyzer does not contain advertisements. The app is free to download and use without any ad interruptions.

## Version history (last 5 releases)

### 1.05 — 2018-07-25

This app has been updated by Apple to display the Apple Watch app icon.

Compatibility with systems operating up to and above iOS 8.
Dependencies text has been changed to Non-Smoker, Light Smoker, Moderate Smoker and Heavy Smoker.
Interpretation text has been changed.

### 1.04 — 2017-11-15

German language corrections.
Fixed some layout issues.

### 1.03 — 2017-01-02

Added the Swedish language
Added language select when app is first installed
Added language choice option located in settings
Added an Add or remove questions feature to remove the questions at the end of a test.

### 1.02 — 2016-06-28

Various bug fixes.
Output frequency is now squarewave at 500Hz.
Breath exhale time extended to 30 seconds.
Language support provided for French, German, Spanish, Italian, Portugese, Polish and Dutch.
Emailing of stored results now possible.

### 1.0 — 2015-11-17

No release notes.

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## More apps by Bedfont Scientific

- [iCOquit® App](https://appshunter.io/ios/app/icoquit-app/id1514616823)
- [iCOquit® Mums to be App](https://appshunter.io/ios/app/icoquit-mums-to-be-app/id1552731775)

All apps by Bedfont Scientific: https://appshunter.io/developer/957361914

## Related topics

[bedfont scientific](https://appshunter.io/ios/topics/bedfont-scientific)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*