Substack vs Campaign Monitor: Side-by-Side Comparison (2025)

Choosing between Substack and Campaign Monitor comes down to your specific use case. Both are legitimate email marketing platforms, but they serve different audiences. Substack is built for writers monetising directly from subscribers, while Campaign Monitor targets agencies and teams managing multiple brands. This comparison covers the key differences so you can decide quickly.

Quick Verdict

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

Feature Comparison

FeatureSubstackCampaign Monitor
Starting price$0/mo$11/mo
Free planYesNo
Best forWriters Monetising Directly From SubscribersAgencies And Teams Managing Multiple Brands
Free subscriber limit-1N/A
G2 rating4.04.1

Which Should You Choose?

Choose Substack if...

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

Choose Campaign Monitor if...

  • You are primarily focused on agencies and teams managing multiple brands
  • You value template builder
  • You prefer paid pricing
Try Campaign Monitor โ†’

Frequently Asked Questions

Is Substack better than Campaign Monitor?

It depends on your use case. Substack wins for writers monetising directly from subscribers, while Campaign Monitor is stronger for agencies and teams managing multiple brands. Neither is objectively better โ€” the right choice depends on your specific needs.

Which is cheaper, Substack or Campaign Monitor?

Substack starts at a lower price point ($0/mo vs $11/mo). However, pricing scales with subscriber count, so the total cost depends on your list size.

Can I switch from Campaign Monitor to Substack?

Yes, switching from Campaign Monitor to Substack 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.