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Dropbox Sign vs Signature PDF: catalog facts
Dropbox Sign	Signature PDF
Paid Paid subscription with a 30-day free trial.	Free Free and open source under the AGPL-3.0 licence, with free public instances.
Web	Web, Self-hosted
Close integration with Dropbox storage Recipients sign without an account	Multi-person signing mode Page organising, metadata editing and compression in one tool
No lasting free plan shown, only a trial Documents are stored on a third-party service	Multi-signature mode stores PDFs on the server Signatures are visual, not certificate-based
Hosted service	Web application, Self-hosted
Closed source	Open source
License not stated	License: AGPL-3.0
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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