Compare software

Altar vs Otter.ai: catalog facts
Altar	Otter.ai
Free Free to download; the homepage does not describe paid plans.	Freemium Free starting plan, with paid and enterprise plans on the pricing page.
Windows, macOS	Windows, macOS, Android, iOS, Web
Speaker-labelled, timestamped live notes Searchable knowledge base built from meetings, docs and screen	Live transcription with speaker recognition Automatic summaries and action items after meetings
No Linux or mobile apps mentioned Little public information on pricing and where data is processed	Recordings and transcripts are processed on Otter's servers Requires an account
Downloadable app	Downloadable app, Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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