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infocert-sign vs Open-EID: catalog facts
infocert-sign	Open-EID
Freemium A free tier is available; PRO and Business licenses are paid.	Free Free to download from the official ID.ee site.
Windows, macOS, Android, iOS, Web	Windows, macOS, Linux, Android, iOS, Browser extension
Signs and verifies PDF and P7M files Provides desktop, web, and mobile options	Official package with drivers, web components and DigiDoc4 Installers for Windows, macOS and Ubuntu
Some features require PRO or Business licenses	Only useful with an Estonian ID card Linux support focused on Ubuntu
Downloadable app, Web application, Hosted service	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 1, 2026

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