# Sirius Web Browser vs Kaleido Web Browser

The clearest difference is rating: Kaleido Web Browser at 5.0 against Sirius Web Browser's 2.5. Kaleido Web Browser also leads on update cadence (weekly vs every 3 weeks). Sirius Web Browser's advantage is in-app purchases (none vs 2) and iOS requirement (7.0 vs 15.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Kaleido Web Browser sells 2 in-app purchases, starting at $1.99 per 7 days. Sirius Web Browser asks for nothing beyond the download.

Kaleido Web Browser holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

Sirius Web Browser ships an update every 3 weeks, Kaleido Web Browser weekly. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sirius Web Browser | Kaleido Web Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/sirius-web-browser/id409300811/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kaleido-web-browser/id6752793469/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 39.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 13 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OneWorld Co., Ltd.](https://appshunter.io/developer/409300814) | [小玲 王](https://appshunter.io/developer/1573722736) |

## 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


### Kaleido Web Browser

[App page](https://appshunter.io/ios/app/kaleido-web-browser/id6752793469)

Browse the web with confidence using a privacy-focused browser that blocks trackers and ads. Enjoy features like fingerprint protection, private browsing, and a download manager. It offers zero data collection and open-source transparency for a secure online experience.

**Highlights:** Smart tracker blocking, Powerful ad blocking, Fingerprint protection, Real-time privacy reports, Private browsing, Download manager

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Subscription | $1.99 | per 7 days |
| Year Subscription | $29.99 | per year |


## Frequently asked questions

### Is Sirius Web Browser free?

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

### Is Kaleido Web Browser free?

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

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

Kaleido Web Browser is rated higher. Sirius Web Browser averages 2.5 out of 5 from 4 ratings, while Kaleido Web Browser averages 5.0 from 4 ratings.

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

Neither Sirius Web Browser nor Kaleido Web Browser shows ads.

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

Sirius Web Browser ships an update every 3 weeks, and Kaleido Web Browser weekly. Most recently, Sirius Web Browser was updated on October 14, 2026 and Kaleido Web Browser on October 9, 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.*