Substack vs Campaign Monitor: Detailed Comparison

Substack and Campaign Monitor serve different email marketing needs despite both being powerful platforms. Substack is built for individual creators and writers who want to monetize their audience, while Campaign Monitor caters to agencies and businesses managing multiple brands. Your choice depends on whether you're building a direct-to-reader business or managing client campaigns.

Quick Verdict

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

Feature Comparison

FeatureCampaign MonitorSubstack
Starting PriceFree (revenue-share model)$11/month
Pricing ModelRevenue-share on paid subscriptionsTiered subscription pricing
Subscriber LimitsUnlimited on free planVaries by paid tier
Best ForIndividual writers monetizing newslettersAgencies and multi-brand management
Key DifferentiatorBuilt-in monetization and audience discoveryAdvanced automation, analytics, and multi-brand tools

Which Should You Choose?

Choose Campaign Monitor if...

  • You're an individual writer or creator looking to monetize directly from subscribers
  • You want a completely free platform with no subscriber limits
  • You prefer simplicity and don't need advanced segmentation or automation
Try Campaign Monitor →

Choose Substack if...

  • You're an agency or business managing multiple client brands
  • You need advanced features like journey designer, smart segments, and analytics
  • You require transactional email capabilities alongside marketing campaigns

Frequently Asked Questions

Is Substack better than Campaign Monitor?

Neither is universally better—they solve different problems. Substack excels for individual creators monetizing content, while Campaign Monitor is superior for agencies and businesses needing advanced automation and multi-brand management. Your choice depends on your use case.

Which is cheaper, Substack or Campaign Monitor?

Substack is free to start with unlimited subscribers, taking a 10% cut of paid subscription revenue only. Campaign Monitor starts at $11/month with subscriber-based pricing. For pure cost, Substack wins, but Campaign Monitor offers more traditional features for a predictable fee.

Can I switch from Campaign Monitor to Substack?

Yes, you can export your contacts from Campaign Monitor and import them to Substack, though Substack's platform is quite different—it's designed for creators, not agencies. Migration is technically possible but may not suit if you need Campaign Monitor's advanced business features.