Mailchimp records 10,071,636 monthly visits with +1.1% month-over-month growth and Freemium pricing. StackAI records 1,137 monthly visits with -23.2% growth and Contact for Pricing, Free pricing.
AI-assisted email and SMS marketing that turns audiences into customers
Build, deploy and govern enterprise AI agents without code
| Dimension / Metric | | |
|---|---|---|
| Official Domain | mailchi.mp | stack-ai.com |
| Pricing Model | Freemium | Contact for Pricing, Free |
| Monthly Visits | 10.07M (10,071,636) | 1.14K (1,137) |
| MoM Traffic Delta | +105.62K (+1.1%) | -344 (-23.2%) |
| Primary Market & Share | 🇺🇸 United States (54%) | 🇺🇸 United States (83.9%) |
| Direct Visits / mo | 5.77M | 451 |
| User Rating | 4.4 | 4.4 |
| Supported Platforms | Website | Website |
AI-assisted email and SMS marketing that turns audiences into customers
Drag-and-drop templates, reusable layouts, and guided steps to design and send newsletters or promotional emails without a designer.
Build automated journeys triggered by signups, purchases, birthdays, or inactivity, including welcome and abandoned-cart series.
Generate draft copy and subject lines, and use data-driven send-time suggestions to improve engagement.
Tag, segment, and filter contacts, and track engagement history in a searchable audience database.
Build, deploy and govern enterprise AI agents without code
Assemble agents and multi-step flows on a visual canvas with modules for agents, storage, vision, text-to-speech and speech-to-text, then add Python or JavaScript logic when you need it.
Connect agents to 500+ enterprise systems so they can read, write and execute tasks inside your CRM, helpdesk, document stores and collaboration tools.
Ground agents in your own material with document upload, web scraping, Google Drive and Notion connectors, and document readers for PDF, Word and PowerPoint.
Deploy in multi-tenant cloud, your own VPC or on-premise, with SSO, role-based access control, audit logs and human review at critical decision points.
Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Provides deeper e-commerce data integration and advanced segmentation, but steeper learning curve than Mailchimp.
Offers robust multi-channel marketing and transactional emails, but with simpler CRM workflows than Mailchimp.
Offers robust multi-channel marketing and transactional emails, but with simpler CRM workflows than Mailchimp.
Automate work across thousands of apps — no code required
Features a cleaner, more intuitive drag-and-drop editor, but fewer advanced enterprise automation features.
Features a cleaner, more intuitive drag-and-drop editor, but fewer advanced enterprise automation features.
Free / Open-sourceOpen-source workflow automation built for AI agents and technical teams
Free / Open-sourceOpen-source workflow automation built for AI agents and technical teams
Includes built-in landing page builders and webinars, but interface feels busier than Mailchimp.
Includes built-in landing page builders and webinars, but interface feels busier than Mailchimp.
No-code builder for custom AI agents and workflows
No-code builder for custom AI agents and workflows
SpecialistSpecializes in cold email outreach and deliverability infrastructure rather than inbound newsletter marketing.
SpecialistSpecializes in cold email outreach and deliverability infrastructure rather than inbound newsletter marketing.
Free / Open-sourceBuild, deploy, and govern production-ready agentic AI workflows
Free / Open-sourceBuild, deploy, and govern production-ready agentic AI workflows
Delivers vastly more powerful CRM and complex automation workflows, but less beginner-friendly interface.
Delivers vastly more powerful CRM and complex automation workflows, but less beginner-friendly interface.
Build, share, and control AI agents that actually do the work
Build, share, and control AI agents that actually do the work
SpecialistExcels at generating enterprise-grade on-brand marketing content, but lacks native email delivery infrastructure.
SpecialistExcels at generating enterprise-grade on-brand marketing content, but lacks native email delivery infrastructure.
