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Loops vs Substack

Loops logo

Loops

7.1#34 in email marketing softwareFrom $49 a month
Free planWebAPI
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Substack logo

Substack

9.0#1 in membership site platforms$50 one-time
Free planAndroidiOSWebAPI
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What both publish

FactLoopsSubstack
Audience segmentationYesYes
Email automationYesYes
Free planYesYes
IntegrationsThe homepage lists integrations including Webhooks, Supabase, Clerk, Zapier, Framer, Make, Segment, Webflow, Stripe, PostHog, and Auth0.Official integrations include RSS, podcast distribution to Apple and Spotify, Google Analytics 4, Google Tag Manager, X and Facebook pixels, Google site verification, YouTube and LinkedIn account connections.

Loops plans

  • FreeFree
  • 1,001–5,000 contacts$49 a month
  • 5,001–10,000 contacts$99 a month
  • 10,001–15,000 contacts$149 a month
  • 15,001–25,000 contacts$199 a month
  • 25,001–50,000 contacts$249 a month

Substack plans

  • Free publishingFree
  • Free to startFree
  • Custom domain$50, paid once
  • Paid subscriptions—

Pick Loops if…

Loops suits SaaS teams that need marketing, lifecycle, product, or transactional email alongside audience segments and automated workflows. The free tier may fit teams with up to 1,000 subscribed contacts and 4,000 sends per rolling 30 days.

Pick Substack if…

Substack suits writers, journalists, podcasters, video creators, experts, educators, and media companies building a direct subscriber audience. It is useful for creators who want multiple media formats, audience discovery, segmentation, email automation, and paid subscription options.

Charts they share