Customermates vs Stacks

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

Customermates compared with Stacks
Detail	Customermates	Stacks
What it does	Open-source CRM built for AI agents with unified inbox and Frankfurt cloud database	All-in-one business platform with CRM, email marketing, invoicing, scheduling, support and tasks, free forever with unlimited users
Stage	Startup	Not given
Founded	Not given	Not given
Based in	DE	Not given
Pricing model	Freemium	Freemium
Pricing	Starter €12/month per user (core CRM, MCP, REST API, webhooks, 1 routine per user, 200 hosted-AI credits); Pro €29/month per user (everything in Starter plus unified inbox, 1 connected account per user, 5 routines, 500 credits); Business €69/month per user (everything in Pro plus 3 connected account	Free: $0 per month, free forever, includes all seven tools with unlimited users and contacts, plus 50 one-time AI credits. AI Pro: $99 per month or $995 per year (approximately 16% off monthly), includes everything in Free plus continued AI use, no Stacks branding, and priority support.
Key features	MCP integration for external AI clients like Claude and ChatGPT Unified inbox connecting email, LinkedIn, WhatsApp, Instagram and Telegram Contact, organization, deal and task management Kanban and table pipeline views with weighted deal values REST API, webhooks and n8n automation integration Open source AGPL-3.0 core with self-hosting option Hosted Mate AI capability with monthly credits Shared team accounts with unified timeline across channels Custom fields, roles and permissions	AI email and follow-up writing on-brand in seconds AI lead scoring and prioritization AI invoice and receipt reading from photos
What makes it different	Built for AI agents: external clients operate the CRM directly through MCP with 50 tools rather than humans managing everything manually Open source and self-hostable: run the AGPL core on your own infrastructure with full control over data Unified inbox across five channels: email, LinkedIn, WhatsApp, Instagram and Telegram in one native interface connected to customer records No investors, lean team, transparent pricing: €12 per seat with all core features included, no hidden costs or enterprise pricing Frankfurt-based cloud database in AWS EU region with privacy-friendly European hosting	Free forever with all seven core tools and unlimited users at no per-user fees No per-user pricing model compared to competitors like Pipedrive, Calendly and Intercom Integrated AI features included with 50 free credits and optional AI Pro subscription Built specifically for solopreneurs, freelancers and small teams
Community votes	0	0
DR (Domain Rating by Ahrefs)	33 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	22	0
Citation Flow (Majestic)	33	29
Referring domains (Majestic)	227	1

5 details filled in for both companies.

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