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Rosetta Stone vs Speak: catalog facts
Rosetta Stone	Speak
Paid Paid membership, with a free lesson to try first.	Freemium Free to start, with paid access to the full curriculum.
Android, iOS, Web	Android, iOS
Immersive lessons without relying on translation Speech recognition feedback on pronunciation	Spoken practice with an AI tutor instead of a live teacher Lessons built around phrases people actually use
Requires a paid membership beyond the free trial lesson Immersion without translation can be slow for grammar-heavy learners	Limited set of languages Proprietary app with a paid tier for full access
Downloadable app, Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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