# Radium Web Browser vs DefensX Web Browser

The clearest difference is rating: Radium Web Browser at 3.7 against DefensX Web Browser's 3.0. Radium Web Browser also leads on ratings volume (19 vs 2) and iOS requirement (10.0 vs 14.7). DefensX Web Browser's advantage is in-app purchases (none vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Radium Web Browser sells 1 one-off in-app purchase. DefensX Web Browser asks for nothing beyond the download.

Radium Web Browser holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: Radium Web Browser has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Radium Web Browser ships an update every 11 days, DefensX Web Browser every 3 weeks. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Radium Web Browser | DefensX Web Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (19 ratings)](https://appshunter.io/ios/app/radium-web-browser/id1274491203/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/defensx-web-browser/id1545035409/reviews) |
| Number of ratings | **19** | 2 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 37 MB | 4 MB |
| Requires iOS | **10.0** | 14.7 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Slayter Development](https://appshunter.io/developer/493706889) | [Isoolate Inc.](https://appshunter.io/developer/1545035411) |

## What reviewers say

### Radium Web Browser

[App page](https://appshunter.io/ios/app/radium-web-browser/id1274491203)

A lightweight and extendable web browser for iOS devices. It offers tabbed browsing, ad blocking, and bookmarking. Users can enhance its functionality with JavaScript extensions.

**Highlights:** Tabbed browsing, Ad blocking, JavaScript extensions, Tab restoration, Bookmarking, Browsing history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Blocking | $1.99 | one-time |


### DefensX Web Browser

[App page](https://appshunter.io/ios/app/defensx-web-browser/id1545035409)

This application offers advanced cybersecurity by isolating users from web and SaaS application threats. It provides protection for users working remotely on any device and network through unique isolation technologies.

**Highlights:** Application-driven cybersecurity, Patent-pending isolation technologies, Protection from web threats, Protection from SaaS application threats, Works on any device and network

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radium Web Browser free?

Radium Web Browser is free to download, with in-app purchases available.

### Is DefensX Web Browser free?

DefensX Web Browser is free to download, with no in-app purchases.

### Which has better reviews, Radium Web Browser or DefensX Web Browser?

Radium Web Browser is rated higher. Radium Web Browser averages 3.7 out of 5 from 19 ratings, while DefensX Web Browser averages 3.0 from 2 ratings.

### Do Radium Web Browser or DefensX Web Browser have ads?

Neither Radium Web Browser nor DefensX Web Browser shows ads.

### Which is updated more often, Radium Web Browser or DefensX Web Browser?

Radium Web Browser ships an update every 11 days, and DefensX Web Browser every 3 weeks. Most recently, Radium Web Browser was updated on September 10, 2026 and DefensX Web Browser on June 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.*