Markero vs MarkupBase

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

Markero compared with MarkupBase
Detail	Markero	MarkupBase
What it does	Not given	Review Markdown and HTML with people and AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	EU	US
Pricing model	Not given	Not given
Pricing	Free core with optional Premium from $4 per month paid in crypto. Premium includes 100 MB file uploads (vs 10 MB free), 1 GB personal storage (vs 500 MB free), up to 5 private channels (vs free channels limited to 50 members and 250 MB storage), and 1 GB per channel storage.	Free plan: $0 with 25 artifacts (including 5 private), 250 MB storage, 1 active agent connection, 500 MCP write actions per month. Pro plan: $120/year (or $12/month) with 1,000 artifacts, 10 GB storage, 20 active agent connections, 25,000 MCP write actions per month. Enterprise pricing available by
Key features	End-to-end encrypted messages and files encrypted with OpenPGP Curve25519 Two-factor authentication (TOTP) on every account File and media sharing up to 10 MB free, 100 MB with Premium Official Tor onion service (v3) for anonymous access Session management with device revocation Search across conversations with local decryption	Versioned Markdown and HTML artifacts Contextual comments and immutable review history Review requests for people and AI agents Model Context Protocol (MCP) integration Safe HTML previews Permanent version history with revision tracking Private, unlisted, and public artifact visibility Support for multiple active agent connections Isolated preview for untrusted HTML Separate identities for people and agents
What makes it different	True zero-access encryption—servers store only ciphertext and cannot decrypt messages Official Tor onion service for accessing without network exposure Cryptography keys never transmitted to server—private key stays on your device	Immutable review history keeps every decision alongside the work MCP integration enables reliable agent handoffs without custom tool connections Humans retain final approval authority while agents work autonomously Comments carry forward across versions showing what changed and why Works across multiple agent systems and between agents and people over time
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)	Not checked yet no change since last check	7 −1 (down) since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	21	26
Referring domains (Majestic)	10	31

4 details filled in for both companies.

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