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Writesonic vs Surfer: catalog facts
Writesonic	Surfer
Paid Paid service with a 7-day free trial and demos on request.	Paid Paid platform; a free AI visibility audit is offered without an account.
Web	Web
Tracks brand mentions across about ten AI platforms Shows which sites AI answers cite	Content Editor gives on-page optimisation guidance per query AI article drafting
Now focused on marketing teams rather than general writing Paid after a short trial	Built for SEO work rather than general writing Core platform is paid
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.