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Circleback vs Bubbles: catalog facts
Circleback	Bubbles
Freemium You can start for free; paid plans are available.	Freemium Free to start, with paid plans listed on the pricing page.
Web, Command line	Web
Works with Zoom, Meet, Teams, Slack huddles and in-person meetings Transcription in over 100 languages with speaker names	Joins Meet, Teams and Zoom calls automatically from your calendar Summaries and action items sent by email and added to calendar events
Cloud service that needs an account Recordings and notes are stored on Circleback's servers	A cloud service, so recordings are stored on its servers A bot joins calls, which some attendees may not welcome
Web application	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked October 1, 2026

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