ActiveCampaign vs Substack: Side-by-Side Comparison (2025)

Choosing between ActiveCampaign and Substack comes down to your specific use case. Both are legitimate email marketing platforms, but they serve different audiences. ActiveCampaign is built for businesses needing advanced automation and CRM, while Substack targets writers monetising directly from subscribers. This comparison covers the key differences so you can decide quickly.

Quick Verdict

Overall winner
ActiveCampaign
Better pricing
Substack
More features
ActiveCampaign
For beginners
Substack
E-commerce
ActiveCampaign

Feature Comparison

FeatureActiveCampaignSubstack
Starting price$15/mo$0/mo
Free planNoYes
Best forBusinesses Needing Advanced Automation And CrmWriters Monetising Directly From Subscribers
Free subscriber limitN/A-1
G2 rating4.54.0

Which Should You Choose?

Choose ActiveCampaign if...

  • You are primarily focused on businesses needing advanced automation and CRM
  • You value advanced automation
  • You prefer paid pricing
Try ActiveCampaign โ†’

Choose Substack if...

  • You are primarily focused on writers monetising directly from subscribers
  • You value paid subscriptions
  • You prefer revenue-share pricing

Frequently Asked Questions

Is ActiveCampaign better than Substack?

It depends on your use case. ActiveCampaign wins for businesses needing advanced automation and CRM, while Substack is stronger for writers monetising directly from subscribers. Neither is objectively better โ€” the right choice depends on your specific needs.

Which is cheaper, ActiveCampaign or Substack?

Substack starts at a lower price point ($0/mo vs $15/mo). However, pricing scales with subscriber count, so the total cost depends on your list size.

Can I switch from Substack to ActiveCampaign?

Yes, switching from Substack to ActiveCampaign is possible. Most platforms support CSV import/export for subscriber lists. Plan for some time to recreate automations and templates, as these rarely transfer directly between platforms.