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Read AI vs Altar: catalog facts
Read AI	Altar
Freemium Free for 5 meetings a month with no credit card; paid plans for more.	Free Free to download; the homepage does not describe paid plans.
Windows, macOS, Android, iOS, Web, Browser extension	Windows, macOS
Real-time transcription and meeting summaries Search across meetings, email, chat and documents	Speaker-labelled, timestamped live notes Searchable knowledge base built from meetings, docs and screen
Free tier limited to five meetings a month Meeting content is processed in the cloud	No Linux or mobile apps mentioned Little public information on pricing and where data is processed
Downloadable app, 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
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 October 2, 2026

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