# PBrowser vs Sigma AI Browser

The clearest difference is ads: Sigma AI Browser at none against PBrowser's shown. PBrowser's advantage is update cadence (weekly vs every 2 months) and iOS requirement (12.0 vs 17.0). On price, 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.

PBrowser ships an update weekly, Sigma AI Browser every 2 months. The most recent releases landed on July 6, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PBrowser | Sigma AI Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (4 ratings)](https://appshunter.io/ios/app/sigma-ai-browser/id6670252712/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Free |
| Size | 55 MB | 182 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Kem Emsothea](https://appshunter.io/developer/1602847491) | [SigmaBrowser OÜ](https://appshunter.io/developer/1762933222) |

## What reviewers say

### PBrowser

[App page](https://appshunter.io/ios/app/pbrowser-private-browser/id6450386031)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PBrowser free?

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

### Is Sigma AI Browser free?

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

### Do PBrowser or Sigma AI Browser have ads?

PBrowser shows ads; Sigma AI Browser does not.

### Which is updated more often, PBrowser or Sigma AI Browser?

PBrowser ships an update weekly, and Sigma AI Browser every 2 months. Most recently, PBrowser was updated on July 6, 2026 and Sigma AI Browser on September 15, 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.*