# Countermark vs Deviance Logger

The clearest difference is update cadence: Deviance Logger at every 3 weeks against Countermark's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Countermark ships an update every 2 months, Deviance Logger every 3 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Countermark | Deviance Logger |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 31 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wessex Technology Opto-electronic products limited](https://appshunter.io/developer/1202935479) | [Node One Group](https://appshunter.io/developer/1846695143) |

## What reviewers say

### Countermark

[App page](https://appshunter.io/ios/app/countermark/id1202935480)

This app scans a secure, human-readable data carrier for industrial use. It links to websites, images, or documents and can be manually entered via a website. Location and email confirmation may be required to access information.

**Highlights:** Scan secure data carriers, Link to websites, images, PDFs, Human-readable entry, Industrial printing compatibility, Location-based security, Email confirmation for access

**Features:** macOS Compatibility

**In-app purchases:** none


### Deviance Logger

[App page](https://appshunter.io/ios/app/deviance-logger/id6754243801)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Countermark free?

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

### Is Deviance Logger free?

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

### Do Countermark or Deviance Logger have ads?

Neither Countermark nor Deviance Logger shows ads.

### Which is updated more often, Countermark or Deviance Logger?

Countermark ships an update every 2 months, and Deviance Logger every 3 weeks. Most recently, Countermark was updated on October 5, 2026 and Deviance Logger on October 1, 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.*