Substack vs Mailchimp (2026)
Zero-cost newsletter platform with paid subscriptions vs the full email marketing suite — updated April 2026.
Quick Verdict: Substack wins 7-5 for writers and independent journalists. It's completely free (takes 10% of paid subs), has built-in discoverability, and zero technical setup. Mailchimp wins for businesses that need advanced email automation, segmentation, and full platform ownership.
Best for Writers
Substack
Free newsletter platform with built-in paid subscriptions
Pros
- Completely free (10% of paid revenue only)
- Built-in paid subscription tiers
- Substack discovery network
- Web publication and archives
- Podcast hosting included
Cons
- 10% fee on paid subscriptions is high at scale
- Limited customization vs Mailchimp
- No advanced automation or segmentation
Free (10% of paid subscription revenue)
Start on Substack Free →Best for Business Email
Mailchimp
Full email marketing platform with automation
Pros
- Free plan for 500 contacts
- Advanced automation workflows
- Segmentation and personalization
- 300+ integrations
- Full ownership of your audience
Cons
- No built-in paid subscriptions
- No platform discoverability
- Monthly cost grows with list size
Free (500 contacts) or from $13/mo
Try Mailchimp Free →Side-by-Side Comparison
| Category | Substack | Mailchimp |
|---|---|---|
| Monthly Cost | Free (10% paid subs) | Free or $13+/mo |
| Paid Subscriptions | ✅ Built-in | ❌ |
| Discoverability | ✅ Network | ❌ |
| Web Publication | ✅ | Basic |
| Podcast Hosting | ✅ | ❌ |
| Automation | Limited | ✅ Advanced |
| Segmentation | Basic | ✅ Advanced |
| A/B Testing | ❌ | ✅ |
| Integrations | Limited | 300+ |
| Data Ownership | Export available | ✅ Full |
| Custom Domain | ✅ | ✅ |
| Score | 7/10 | 5/10 |
Which do you use?
Substack
Mailchimp
Who Should Choose Each Tool
Choose Substack if you…
- Are a writer or journalist starting a newsletter
- Want zero upfront cost to get started
- Plan to monetize through paid subscriptions
- Want Substack's built-in discovery network
Choose Mailchimp if you…
- Run a business with complex email automation
- Need advanced segmentation and personalization
- Want full ownership without platform fees
- Require integrations with your business stack
Frequently Asked Questions
Is Substack really free?
Yes. Substack is free to use with no monthly fees. They take a 10% cut of paid subscription revenue. For free newsletters with no paid tiers, Substack costs nothing.
Should I use Substack or Mailchimp for my newsletter?
Use Substack if you are a writer wanting the simplest possible setup with built-in paid subscriptions and audience discovery. Use Mailchimp if you need advanced email automation, segmentation, or want to own your platform fully.
Can you move from Substack to Mailchimp?
Yes. Substack allows you to export your subscriber list as a CSV, which you can import into Mailchimp. The process is straightforward but you lose the Substack web publication and discovery features.
Get our free SaaS Buyer's Guide (PDF)
Save hours of research. We cover pricing traps, hidden fees, and how to negotiate better deals.
Join 0 SaaS buyers. No spam, unsubscribe anytime.
Methodology: Scores are based on feature depth, pricing value, user reviews from G2 and Capterra, and hands-on testing. Updated April 2026.
Last updated: April 10, 2026
Related Comparisons
Mailchimp vs ConvertKit
ConvertKit winsEmail Marketing
Read comparison →
Mailchimp vs Beehiiv
Beehiiv winsEmail Marketing
Read comparison →
Mailchimp vs Brevo
Mailchimp winsEmail Marketing
Read comparison →
Mailchimp vs Klaviyo
Klaviyo winsEmail Marketing
Read comparison →
Mailchimp vs Constant Contact
Mailchimp winsEmail Marketing
Read comparison →
Mailchimp vs Sendinblue
Mailchimp winsEmail Marketing
Read comparison →