Private Browser vs Sigma AI Browser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Private Browser
Browse the internet privately and securely with a built-in VPN. This browser offers features like private tabs, password protection, and automatic clearing of history and cookies. Customize your browsing experience with themes and manage bookmarks easily.
- Private browsing tabs
- Unlimited VPN integration
- Bookmark management
- Automatic history/cookie clearing
- Password protection
- Customizable themes
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Serenity Private Browser gives you a regular browser, only more private. With your new private browser, browse your favorite sites privately and freely. Enable VPN for enhanced privacy and protection. Features Privacy Browser for private searching Unlimited VPN Add or remove bookmarks Clear history, cookies & cache on exit Password protection Custom themes Private tabs Download now to enjoy a private browsing experience!
Sigma AI Browser
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.
- AI chat companion for answers
- Blazing fast browsing speeds
- Customizable interface
- Multi-device sync
- User-friendly design
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Discover the future of web browsing with Sigma Browser, the AI-powered browser that redefines how you explore the internet. Sigma Browser uses advanced AI technology to provide a faster, more intelligent browsing experience, tailored to your needs. Enjoy enhanced security, personalized recommendations, and an ad-free environment, all powered by cutting-edge AI. With Sigma Browser, you can customize your browsing experience with a range of tools and features that make navigation smooth and efficient. Whether you’re looking to enhance your productivity, protect your data, or simply enjoy a clutter-free web, Sigma Browser is your go-to app. Key Features: — AskGPT: Get answers to any questions from AI chat companion. — Blazing Fast Browsing: Enjoy super-fast browsing speeds that let you access your favorite websites instantly. — Customizable Interface: Tailor the browser to your liking with a variety of customization options. — Multi-Device Sync: Sync your browsing history, bookmarks, and settings across all your devices effortlessly. — User-Friendly Design: Navigate the web with an intuitive and easy-to-use interface. Sigma Browser is not just another web browser — it's an AI-powered tool designed to enhance every aspect of your browsing experience. If you're looking for a fast browser, a secure browser, or a private browser, Sigma Browser delivers on all fronts. Download now and experience the future of browsing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Private Browser at 4.8 against Sigma AI Browser's 3.9. Private Browser also leads on review sentiment (75% vs 50%) and update cadence (every 11 days vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Private Browser holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Private Browser has 78 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 75% of Private Browser's written reviews are positive against 50% of Sigma AI Browser's.
Private Browser ships an update every 11 days, Sigma AI Browser every 2 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.
| Parameter | Private Browser | Sigma AI Browser |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (78 ratings) — better | 3.9 (10 ratings) |
| Positive reviews | 75.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 78 — better | 10 |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 42 MB | 182 MB |
| Age rating | 17+ | 17+ |
| Developer | PassiFlora Technologies | SigmaBrowser OÜ |
Customer experience
Private Browser
Sigma AI Browser
In-app purchases
Private Browser
No in-app purchases
Sigma AI Browser
No in-app purchases
Questions
Is Private Browser free?
Is Sigma AI Browser free?
Which has better reviews, Private Browser or Sigma AI Browser?
Do Private Browser or Sigma AI Browser have ads?
Which is updated more often, Private Browser or Sigma AI Browser?
Other comparisons
