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Quetext vs Smodin: catalog facts
Quetext	Smodin
Freemium A free option and a free Chrome extension, with fuller features on paid plans.	Freemium Free to try, with paid plans for heavier use.
Web, Browser extension	Web
Plagiarism and AI detection in one place Citation generator and grammar checker included	Several writing tools in one place Accepts uploaded Word, PDF and text files
AI detection results are probabilistic and can be wrong Text is checked on Quetext's servers	AI detection scores are estimates and can be wrong Humanizer output may conflict with school or publisher rules
Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 26, 2026

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