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Cotypist vs Lightkey: catalog facts
Cotypist	Lightkey
Free The developer describes it as free to use, with no card required.	Freemium Pricing details are not given in the research; check the website for current editions.
macOS	Windows
Works in every Mac app Predictions run locally on the device	Inline word and phrase prediction in any Windows desktop application Combines text prediction with spelling correction
Apple Silicon Macs only No Windows or Linux version	Windows only Little public detail on how predictions are produced
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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