# Sirius Web Browser vs Isolate Browser

The clearest difference is rating: Sirius Web Browser at 2.5 against Isolate Browser's 2.0. Sirius Web Browser also leads on in-app purchases (none vs 3) and review sentiment (32% vs 0%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Isolate Browser sells 3 in-app purchases, starting at $0.99 per month. Sirius Web Browser asks for nothing beyond the download.

Sirius Web Browser holds the better App Store score, 2.5 against 2.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 32% of Sirius Web Browser's written reviews are positive against 0% of Isolate Browser's.

Sirius Web Browser ships an update every 3 weeks, Isolate Browser every 123 months. The most recent releases landed on September 1, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Sirius Web Browser | Isolate Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (4 ratings)](https://appshunter.io/ios/app/sirius-web-browser/id409300811/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/isolate-browser/id1094964458/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | **32.1% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 123 months |
| Monetization | **Free** | Freemium |
| Size | 13 MB | 3 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OneWorld Co., Ltd.](https://appshunter.io/developer/409300814) | [碧珍 刘](https://appshunter.io/developer/372781020) |

## What reviewers say

### Sirius Web Browser

[App page](https://appshunter.io/ios/app/sirius-web-browser/id409300811)

A tabbed web browser offering features like Firefox Sync, full-screen mode, and private browsing. It allows users to customize the new tab page and search bookmarks and history.

**Highlights:** Tabbed browsing, Firefox Sync, Full screen mode, Search words in page, Private browsing, Customize new tab page, Clear cookies and cache

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

**In-app purchases:** none


### Isolate Browser

[App page](https://appshunter.io/ios/app/isolate-browser/id1094964458)

This browser prioritizes your privacy with default private sessions, tracker blocking, and app lock features. It offers a clean interface and customizable search options, with optional pro tools for advanced control.

**Highlights:** Private browsing by default, App lock with passcode/biometrics, Tracker and ad blocking, Optional full-screen browsing, Tab and bookmark management, Customizable search engine and homepage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Isolate Browser Pro Monthly | $0.99 | per month |
| Isolate Browser Pro  Yearly | $6.99 | per year |
| Isolate Browser Pro Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is Sirius Web Browser free?

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

### Is Isolate Browser free?

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

### Which has better reviews, Sirius Web Browser or Isolate Browser?

Sirius Web Browser is rated higher. Sirius Web Browser averages 2.5 out of 5 from 4 ratings, while Isolate Browser averages 2.0 from 2 ratings.

### Do Sirius Web Browser or Isolate Browser have ads?

Neither Sirius Web Browser nor Isolate Browser shows ads.

### Which is updated more often, Sirius Web Browser or Isolate Browser?

Sirius Web Browser ships an update every 3 weeks, and Isolate Browser every 123 months. Most recently, Sirius Web Browser was updated on September 1, 2026 and Isolate Browser on August 25, 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.*