mssgs vs MarkupBase

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

mssgs compared with MarkupBase
Detail	mssgs	MarkupBase
What it does	Group chat app with public feed, communities, voice calls and games, all with data hosted in Europe	Review Markdown and HTML with people and AI agents
Stage	Established	Not given
Founded	2009	Not given
Based in	NL	US
Pricing model	Freemium	Not given
Pricing	Free to start, no credit card required. Premium costs 8,500 credits for 30 days (never auto-renews) and includes higher message length limits (5,000 vs 2,000 characters) and larger attachments (50 MB vs 25 MB).	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 private chats Voice and video calls with screen sharing Communities with text, voice, photo and announcement channels Nine built-in games including Four in a Row and Battleship Ghost mode with auto-deleting messages File sharing up to 25 MB (50 MB with Premium) Bots, webhooks and MCP server for AI assistants Stories and public feed Friends map with location sharing Two-factor authentication with passkeys	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	All data hosted in the Netherlands, never leaves Europe Completely free, no ads or tracking Independent Dutch company, bootstrapped with no venture capital Built by RUAL with 15+ years of software experience since 2009 Nine built-in games integrated directly into chats	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)	36 −1 (down) since last check	7 −1 (down) since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	31	26
Referring domains (Majestic)	48	31

5 details filled in for both companies.

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