# Sigma AI Browser vs Private Browser：Browsing..

The clearest difference is rating: Sigma AI Browser at 4.3 against Private Browser：Browsing..'s 2.0. Sigma AI Browser also leads on in-app purchases (none vs 2) and ratings volume (4 vs 1). Private Browser：Browsing..'s advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Private Browser：Browsing.. sells 2 in-app purchases, starting at $4.99 per 7 days. Sigma AI Browser asks for nothing beyond the download.

Sigma AI Browser holds the better App Store score, 4.3 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Sigma AI Browser ships an update every 2 months, Private Browser：Browsing.. monthly. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Sigma AI Browser | Private Browser：Browsing.. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/sigma-ai-browser/id6670252712/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/private-browserbrowsing/id6758338412/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Subscription |
| Size | 182 MB | 38 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | +4 |
| Developer | [SigmaBrowser OÜ](https://appshunter.io/developer/1762933222) | [SMJ Jewellery (HK) Limited](https://appshunter.io/developer/1721196677) |

## What reviewers say

### Sigma AI Browser

[App page](https://appshunter.io/ios/app/sigma-ai-browser/id6670252712)

Experience a faster, more intelligent web with this AI-powered browser. It offers enhanced security, personalized recommendations, and a clutter-free, ad-free environment. Customize your browsing with intuitive tools for seamless navigation and productivity.

**Highlights:** AI chat companion for answers, Blazing fast browsing speeds, Customizable interface, Multi-device sync, User-friendly design

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Private Browser：Browsing..

[App page](https://appshunter.io/ios/app/private-browserbrowsing/id6758338412)

This browser offers a fast and simple mobile web experience with integrated productivity tools. It features intelligent OCR for text extraction from images and a distraction-free reading mode for enhanced readability.

**Highlights:** High-performance rendering engine, Privacy-focused design, Built-in productivity toolkit, Intelligent OCR technology, Distraction-free reading mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $39.99 | per year |


## Frequently asked questions

### Is Sigma AI Browser free?

Sigma AI Browser is free to download, with no in-app purchases.

### Is Private Browser：Browsing.. free?

Private Browser：Browsing.. is free to download, with in-app purchases available.

### Which has better reviews, Sigma AI Browser or Private Browser：Browsing..?

Sigma AI Browser is rated higher. Sigma AI Browser averages 4.3 out of 5 from 4 ratings, while Private Browser：Browsing.. averages 2.0 from 1 ratings.

### Do Sigma AI Browser or Private Browser：Browsing.. have ads?

Neither Sigma AI Browser nor Private Browser：Browsing.. shows ads.

### Which is updated more often, Sigma AI Browser or Private Browser：Browsing..?

Sigma AI Browser ships an update every 2 months, and Private Browser：Browsing.. monthly. Most recently, Sigma AI Browser was updated on September 15, 2026 and Private Browser：Browsing.. on September 21, 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.*