CorpusIQ vs MarStack

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

CorpusIQ compared with MarStack
Detail	CorpusIQ	MarStack
What it does	AI intelligence layer that gives AI assistants governed access to live business data	Analytics expert and auditor inside Claude that checks GA4, Google Tag Manager, consent, Meta and Google Ads with 167 expert rules and answers business questions across your marketing data.
Stage	Startup	Not given
Founded	2025	Not given
Based in	US	Not given
Pricing model	Free trial	Not given
Pricing	Solo $29.95/month (1 user), Team $109.95/month (5 users), Business $189.95/month (10 users). Additional users on Business plan: $9.95 each. All plans include all 40+ connectors, ChatGPT/Claude/Perplexity integration, source-cited answers, and live retrieval. Custom enterprise plans available with SS	Free: 100 credits (no card required). Starter: $19/month for 1,000 credits. Pro: $49/month for 5,000 credits. Agency: $149/month for 30,000 credits. Individual tool calls cost 1-10 credits depending on complexity.
Key features	AI intelligence layer for business data with cross-source reasoning across multiple connected business systems Source-cited answers with links to the originating record Read-only connectors with explicit safety annotations on control-plane tools Plain English questions without dashboards required 150+ pre-built expert skills that run for your questions Metrics validation against consistent KPI definitions Audit-logged queries with SOC 2 alignment Works with ChatGPT, Claude, Perplexity, and Slack Direct MCP does not retain raw customer files or full connector response payloads	GA4 property audits with 89 expert checks Real-browser page tracking inspection and validation Live conversion testing with form submission Business intelligence across GA4, Meta, Search Console and CRM Branded report generation in Excel, Word, PDF and PowerPoint Integration with Claude, Cursor and VS Code via MCP
What makes it different	No data warehouse, no IT team, no months of setup required Answers show where each number came from with full source attribution Read-only by design so no changes to your connected business systems CASA Tier 2 certified by DEKRA and hosted on Microsoft Azure About 60% fewer tokens than AI used alone because CorpusIQ processes queries outside the chat	Real-browser proof of tracking, not config checks alone
Community votes	0	0
DR (Domain Rating by Ahrefs)	27 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	11	0
Citation Flow (Majestic)	36	8
Referring domains (Majestic)	342	4

4 details filled in for both companies.

More alternatives to CorpusIQ More alternatives to MarStack