# Smokerlyzer vs NCMD

The clearest difference is update cadence: NCMD at every 2 months against Smokerlyzer's every 8 months. Smokerlyzer's advantage is iOS requirement (7 vs 13.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smokerlyzer ships an update every 8 months, NCMD every 2 months. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Smokerlyzer | NCMD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smokerlyzer/id957361915/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 9 MB | 21 MB |
| Requires iOS | **7** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Bedfont Scientific](https://appshunter.io/developer/957361914) | [BRAVE BEAR MARKETING LIMITED](https://appshunter.io/developer/1617638599) |

## What reviewers say

### Smokerlyzer

[App page](https://appshunter.io/ios/app/smokerlyzer/id957361915)

This app helps individuals quit smoking by monitoring carbon monoxide levels in their breath. It provides visual tracking of progress and allows users to share results for motivation and support.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### NCMD

[App page](https://appshunter.io/ios/app/ncmd/id1617638597)

Access your membership account, stay updated with the latest news, and engage in community forums. Document your discoveries by photographing them and recording their precise location.

**Highlights:** Membership account access, Latest news updates, Community forum, Competitions, Find documentation (photo & location), Legislation updates

**In-app purchases:** none


## Frequently asked questions

### Is Smokerlyzer free?

Smokerlyzer is free to download, with no in-app purchases.

### Is NCMD free?

NCMD is free to download, with no in-app purchases.

### Do Smokerlyzer or NCMD have ads?

Neither Smokerlyzer nor NCMD shows ads.

### Which is updated more often, Smokerlyzer or NCMD?

Smokerlyzer ships an update every 8 months, and NCMD every 2 months. Most recently, Smokerlyzer was updated on October 19, 2026 and NCMD on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*