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Retool vs Appsmith: catalog facts
Retool	Appsmith
Freemium A free starting tier is offered, with paid and enterprise plans available.	Freemium The open-source edition is free to self-host; a cloud service and sales-led offerings are…
Web	Web, Self-hosted
Generates internal apps from prompts Connects to many databases and APIs	Connects to many databases and any API Drag-and-drop UI with full JavaScript customisation
Aimed at business teams rather than personal use Proprietary hosted platform	Aimed at internal tools rather than public-facing apps Some features are promoted through demos and sales
Web application, Hosted service	Self-hosted, Hosted service
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	Not stated if an account is needed
Needs internet	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.