Our take
Pick Orion if mac / iOS users who will stay on Free at $0 while they open a first Favorites Start Page, then Orion+ at $50/year when they want early builds and the forum badge — not $150 lifetime first unless they want that printed commitment, and not SigmaOS workspaces. Pick SigmaOS if mac users who will stay on Personal Free forever at $0 (unlimited workspaces, ad-blocker, limited Airis) while they open a first
Best for
Orion A zero-telemetry WebKit window you start at a public $
SigmaOS A workspace browser you start at a public $
Free plan
Orion $0 · ). Help: “the Orion browser is free to use.”
SigmaOS $0 · forever. FAQ: “SigmaOS Personal is free for everyone and anyone, forever.” Card: unlimited workspaces, fast ad-blocker, Airis Assistant (limited)
Lowest paid
Orion Orion+ $5/yr
SigmaOS Personal Pro $20/mo
Next step up
Orion
SigmaOS Personal Max $30/mo
Watch out
Orion Orion+ does not unlock a second browser
SigmaOS Unlimited Airis is paid
Last checked
Orion 2026-10-23 · help.kagi.com/orion/orion-plus/orion-plus.html
SigmaOS 2026-10-23 · sigmaos.com
mac / iOS users who will stay on Free at $0 while they open a first Favorites Start Page, then Orion+ at $50/year when they want early builds and the forum badge — not $150 lifetime first unless they want that printed commitment, and not SigmaOS workspaces.
Read the Orion pagemac users who will stay on Personal Free forever at $0 (unlimited workspaces, ad-blocker, limited Airis) while they open a first IcelandOffsite workspace, then Personal Pro at $20/month when they need unlimited Advanced Airis — not Personal Max $30 unless they need more LLM models and unlimited Look it up / Interactive Summaries. Students and educators print 50% off Pro.
Read the SigmaOS page
