# Countermark vs Response24

The clearest difference is update cadence: Response24 at every 5 days 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, Response24 every 5 days. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Countermark | Response24 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 16 MB | 58 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wessex Technology Opto-electronic products limited](https://appshunter.io/developer/1202935479) | [911 Rapid Response](https://appshunter.io/developer/1340163648) |

## 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


### Response24

[App page](https://appshunter.io/ios/app/response24/id6801547162)

**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 Response24 free?

Response24 is free to download, with no in-app purchases.

### Do Countermark or Response24 have ads?

Neither Countermark nor Response24 shows ads.

### Which is updated more often, Countermark or Response24?

Countermark ships an update every 2 months, and Response24 every 5 days. Most recently, Countermark was updated on October 5, 2026 and Response24 on October 10, 2026.

---

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