Obidos vs PromptSign.ai

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Obidos compared with PromptSign.ai
Detail	Obidos	PromptSign.ai
What it does	Securely store and share your digital information	Code signing for AI skills and agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Paid	Not given
Pricing	Starting at $19.95 per user/month and $29.95 per user/month; annual subscription renewed yearly.	Not given
Key features	End-to-end encryption with elliptic curve based authenticated public key encryption Delegation of authority Customizable templates Privacy protection timer Active Directory and LDAP integration Built-in notifications On-premises or cloud deployment	Sign skills and agents with verified identity authentication Verify file integrity using SHA-256 fingerprints Offline verification without internet connection Public transparency log for accountability Revoke trust for compromised keys or bad actors Support GitHub, Google, Microsoft and company account authentication Command-line tool for integration with Claude and Codex hooks
What makes it different	Works without compromising on convenience or ease of use Follows IETF standards and industry-leading security practices Gives enterprises full control to implement corporate security policies	Immutable transparency log that prevents silent key revocation Blocks unsigned or tampered instructions in Claude Code and Codex integration
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	15 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	8	1
Citation Flow (Majestic)	20	19
Referring domains (Majestic)	9	27

3 details filled in for both companies.

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