SigmaOS

sigmaos.com

macOS

Visit sigmaos.com

Spec score 7.1 #142 of 154 in Web browsers

Spec sheet

Supported platforms: desktopRead 21 Sep 2026 · sigmaos.com
Free plan: YesRead 21 Sep 2026 · sigmaos.com
Paid from: 20Read 21 Sep 2026 · sigmaos.com
Headquarters: London, United KingdomRead 28 Sep 2026 · sigmaos.com
Founded: 2020Read 28 Sep 2026 · sigmaos.com
Browser engine: webkitRead 21 Sep 2026 · sigmaos.com
Built-in ad blocking: YesRead 21 Sep 2026 · sigmaos.com
Cross-device sync: YesRead 21 Sep 2026 · sigmaos.com
Extension support: bothRead 21 Sep 2026 · sigmaos.com

Plans and prices

Basic Price not published Unlimited workspaces · Fast ad-blocker · Limited Airis Assistant Read 21 Sep 2026 · sigmaos.com

Personal Pro $20 a month billed monthly Unlimited Advanced Airis · Look it up with high usage · Interactive Summaries with high usage Read 21 Sep 2026 · sigmaos.com

Personal Max $30 a month billed monthly Everything in Personal Pro · More LLM models · Unlimited Look it up queries · Unlimited Interactive Summaries Read 21 Sep 2026 · sigmaos.com

Every SigmaOS plan and price →

Where Specifiction places it

Web browsers#142 of 1547.1

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