Mailchimp vs PostHog
The ultimate side-by-side head-to-head analysis for 2026.
Short answer
- Price: not directly comparable — Mailchimp is from $13/user/mo, PostHog is free tier available.
- How to start: Mailchimp is from $13/user/mo, PostHog is free tier available.
These lines are generated from the pricing we track, not from a paid placement. We do not publish a quality score, because we do not have one we can stand behind. They cannot tell you which tool fits your workflow — the sections below are there for that. How we score tools.
Mailchimp
PostHog
Category
Marketing
Marketing
Base Price
$13/user/mo
Free tier
Public API
Yes
Yes
Mobile app
Yes
No
Open source / self-hostable
No
Yes
SSO (SAML)
Yes
Yes
Choose Mailchimp if:
E-commerce Brands, Bloggers, and Small Marketing Teams.
Choose PostHog if:
Product Managers, Developers, and Growth Teams.
Mailchimp: pros & cons
- Ease of Entry: The most user-friendly interface for starting with email marketing.
- Ready Templates: Includes hundreds of professional designs for every industry.
- AI Support: Benefit from an AI assistant for design and copywriting advice.
- Huge Integration: Speaks directly with Shopify, WordPress, and hundreds of other apps.
- Price Hikes: Costs rise quite aggressively as your subscriber list grows.
- Advanced Automation: May not be as deep as ActiveCampaign for very complex funnels.
- Free Tier Shrinkage: Sending limits on the free plan have been reduced in recent years.
PostHog: pros & cons
- All-in-One: Replaces 5-6 different tools (Mixpanel, Hotjar, LaunchDarkly, etc.).
- Open Source: You can self-host it to ensure total data privacy and control.
- Powerful Free Tier: Extremely generous free plan for startups just starting out.
- Developer First: Built with a modern API and great documentation for engineers.
- Complex UI: The sheer number of tools can make the dashboard feel cluttered.
- Learning Curve: Mastering advanced queries and funnel analysis takes effort.
- Self-Hosting: Managing a high-traffic PostHog instance yourself is a technical challenge.
Our verdict on Mailchimp
The go-to choice for those seeking a reliable, stylish, and popular email marketing solution.
Our verdict on PostHog
The best 'product-first' analytics tool for teams who want to build with data.