Heap
Mailchimp
| Feature | Heap | Mailchimp |
|---|---|---|
| Pricing | Free only | Free / from $13/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.3 / 5 | 4.3 / 5 |
| Best For | product-teams, growth-marketers, ux-researchers, saas-companies | small-businesses, startups, solopreneurs, e-commerce |
| Founded | 2013 | 2001 |
| Auto Capture | ✓ | ✗ |
| Session Replay | ✓ | ✗ |
| Funnel Analysis | ✓ | ✗ |
| Retention Analysis | ✓ | ✗ |
| User Segments | ✓ | ✗ |
| Data Science | ✓ | ✗ |
| Integrations | ✓ | ✗ |
| Email Campaigns | ✗ | ✓ |
| Automation | ✗ | ✓ |
| Landing Pages | ✗ | ✓ |
| Audience Segments | ✗ | ✓ |
| Analytics | ✗ | ✓ |
| Templates | ✗ | ✓ |
| A B Testing | ✗ | ✓ |
✓ Heap Pros
- Auto-captures all user interactions without code
- Retroactive analysis (define events after the fact)
- Session replay integrated with analytics
- No engineering resources needed for tracking
✗ Heap Cons
- Pricing not transparent (sales-required for growth+)
- Can generate excessive data requiring cleanup
- UI can feel slower than event-based alternatives
✓ Mailchimp Pros
- Free tier for up to 500 contacts
- Easy drag-and-drop email builder
- Built-in automation workflows
- Good reporting and analytics
✗ Mailchimp Cons
- Gets expensive as list grows
- Automation less powerful than competitors
- Limited A/B testing on lower plans
The Verdict
Heap is built for product teams and growth marketers, with a focus on auto-capture and session-replay. Mailchimp targets small businesses and startups and leads with email-campaigns and automation.
Heap uses custom enterprise pricing, while Mailchimp starts at $13/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.
