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HyperWrite vs Cotypist: catalog facts
HyperWrite	Cotypist
Freemium Free to start, with paid plans for more use.	Free The developer describes it as free to use, with no card required.
Web, Browser extension	macOS
Autocomplete suggestions inside Gmail and other sites Research with citations from scholarly sources	Works in every Mac app Predictions run locally on the device
Extension is Chrome only Text is processed by a cloud service	Apple Silicon Macs only No Windows or Linux version
Web application, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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