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SigmaOS pricing

Freemium#75 of 145 in Web BrowsersGoogle Chrome Alternatives

SigmaOS publishes 3 plans on sigmaos.com; the cheapest with a listed price is $20/mo (Personal Pro); Basic: price not listed — prices checked 21 Sep 2026.

3.0/10Editor score
Visit SigmaOS
SigmaOS3.0 Visit SigmaOS

SigmaOS pricing at a glance

Plans Free planFreemium A usable free plan; paid tiers unlock the limits below. Prices checked 21 Sep 2026.
See plans on sigmaos.com

SigmaOS plans & pricing

PlanPriceKey limits
BasicNot checked yet
  • Unlimited workspaces
  • Fast ad-blocker
  • Limited Airis Assistant
Personal Pro$20/mo
  • Unlimited Advanced Airis
  • Look it up with high usage
  • Interactive Summaries with high usage
Personal Max$30/mo
  • Everything in Personal Pro
  • More LLM models
  • Unlimited Look it up queries
  • Unlimited Interactive Summaries

Prices as published by the vendor on sigmaos.com, checked 21 Sep 2026; taxes and regional pricing may differ. We do not change a plan's price or its limits — this table is what the vendor's own pricing page said on that date.

What the price includes

  • Money-back guarantee
    14 days
  • Built for
    Solo, Small business
  • Free plan
    Yes
  • Browser engine
    Webkit

Our full SigmaOS verdict, fact sheet and score →

Prices checked by iTechGuides Editors · Editorial team · Updated Oct 2026

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