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SigmaOS

B
B tier on Web browsersScore 7.0 · #65 of 148
Android app
Not listed
Free plan
No
Runs on
Mac
sigmaos.com
The SigmaOS homepage
Visit site Alternatives

Summary

SigmaOS is ranked #65 of 148 in web browsers on Everything Xiaomi, made by SigmaOS (London, United Kingdom). It runs on macOS.

SigmaOS plans and pricing

All plans
Basic Not published Unlimited workspaces · Fast ad-blocker · Limited Airis Assistant sigmaos.com · 21 Sept 2026
Personal Pro $20/mo billed monthly Unlimited Advanced Airis · Look it up with high usage · Interactive Summaries with high usage sigmaos.com · 21 Sept 2026
Personal Max $30/mo billed monthly Everything in Personal Pro · More LLM models · Unlimited Look it up queries · Unlimited Interactive Summaries sigmaos.com · 21 Sept 2026

Compared on web browsers

Free plan
Yessigmaos.com
Paid from
$20/mosigmaos.com
Supported platforms
desktopsigmaos.com
Browser engine
webkitsigmaos.com
Built-in ad blocking
Yessigmaos.com
Extension support
bothsigmaos.com
Cross-device sync
Yessigmaos.com

Company

Founded
2020sigmaos.com · 28 Sept 2026
Headquarters
London, United Kingdomsigmaos.com · 28 Sept 2026

Best SigmaOS alternatives

See all 20
Stier Google Chrome #1 9.7 Android FreeStier Microsoft Edge #2 9.7 Android FreeStier Mozilla Firefox #3 9.6 Android FreeStier Brave Browser #4 9.5 Android $2.50/moStier Opera #5 9.5 Android $0.33/moStier Vivaldi #6 9.3 Android Free

Where it ranks on Everything Xiaomi

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Sources