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TrueConf vs Kontur Talk: catalog facts
TrueConf	Kontur Talk
Freemium Client apps and a small-team server edition are free; larger server editions are paid.	Paid Paid business service with a free trial offered on the site.
Windows, macOS, Linux, Android, iOS, Web, Self-hosted	macOS, Web
Runs on-premises inside a LAN or VPN SIP and H.323 interoperability with room systems	Video meetings for up to 400 participants with no time limit Automatic transcription and AI summaries of calls
Proprietary software Larger deployments require paid server editions	Site and interface are in Russian only Aimed at businesses rather than individual users
Downloadable app, Web application, Self-hosted	Downloadable app, 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	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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