# URL Checker vs Redcarbon

The clearest difference is update cadence: URL Checker at every 2 months against Redcarbon's every 6 months. URL Checker also leads on iOS requirement (12.0 vs 16.6). 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.

URL Checker ships an update every 2 months, Redcarbon every 6 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | URL Checker | Redcarbon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/url-checker/id6744903078/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 31 MB | 7 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Email Veritas Security Technologies Ltd.](https://appshunter.io/developer/1809840202) | [Redcarbon S.r.l.](https://appshunter.io/developer/1816711185) |

## What reviewers say

### URL Checker

[App page](https://appshunter.io/ios/app/url-checker/id6744903078)

**Features:** macOS Compatibility

**In-app purchases:** none


### Redcarbon

[App page](https://appshunter.io/ios/app/redcarbon/id6746411861)

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

**In-app purchases:** none


## Frequently asked questions

### Is URL Checker free?

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

### Is Redcarbon free?

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

### Do URL Checker or Redcarbon have ads?

Neither URL Checker nor Redcarbon shows ads.

### Which is updated more often, URL Checker or Redcarbon?

URL Checker ships an update every 2 months, and Redcarbon every 6 months. Most recently, URL Checker was updated on October 25, 2026 and Redcarbon on October 7, 2026.

---

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