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Screencastify vs Tella: catalog facts
Screencastify	Tella
Freemium Free to start, with paid plans and quotes for schools and businesses.	Paid Commercial service; see the Tella website for current plans.
Web, Browser extension	Windows, macOS, Web
Records screen and webcam from the browser Interactive questions and AI translation for lessons	Records screen, camera, microphone and system audio AI-assisted editing in the same tool
Focused on education use Depends on the hosted service for sharing and editing	Sharing relies on Tella's hosted service Pricing is not shown on the homepage
Hosted service, Browser extension	Downloadable app, Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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