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Twenty vs Attio: catalog facts
Twenty	Attio
Freemium Free to self-host; the hosted version is a paid service.	Freemium Free to start, with paid plans such as Pro for more features.
Web, Self-hosted	Android, iOS, Web
Open source and self-hostable Customisable data model, workflows and dashboards	Workflow automation for pipeline tasks AI agents that query and update CRM records
Self-hosting needs server administration Aimed at technical teams that will customise it	Hosted only, with no self-hosted option Strong focus on AI features may be more than small teams need
Web application, Self-hosted, Hosted service	Downloadable app, Hosted service
Open source	Closed source
License: AGPL-3.0	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 October 2, 2026

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