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Writefull vs Trinka: catalog facts
Writefull	Trinka
Freemium Pricing details are not given on the homepage.	Freemium Free to start, with paid plans including a Confidential Data Plan.
Windows, macOS, Web	Web
Feedback tailored to academic writing Works in Word and in Overleaf LaTeX	Tuned for academic and technical writing Includes plagiarism, AI detection and citation tools
Focused on academic English Requires an internet connection	Less suited to casual or marketing writing Strongest privacy guarantees are on a paid plan
Downloadable app, Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.