Loops icon

Loops

★★★★ 4.4
VS
Substack icon

Substack

★★★★ 4.4
Feature Loops Substack
Pricing Free / from $49/mo Free / from $0/mo
Free Plan ✓ Yes ✓ Yes
Rating 4.4 / 5 4.4 / 5
Best For saas-companies, startups, product-led-growth, developers independent-writers, journalists, newsletter-creators, thought-leaders
Founded 2022 2017
Email Campaigns
Automation Loops
Transactional Email
Audience Segments
Analytics
Api
Templates
Newsletter
Paid Subscriptions
Podcast Hosting
Community Chat
Recommendations
Notes

✓ Loops Pros

  • Purpose-built for SaaS (not retrofitted from marketing)
  • Beautiful default templates and editor
  • Transactional and marketing in one platform
  • Free plan with 1,000 contacts

✗ Loops Cons

  • Newer platform with fewer integrations
  • Limited advanced segmentation compared to mature tools
  • Not suited for non-SaaS businesses

✓ Substack Pros

  • Completely free to start — no monthly fees
  • Built-in paid subscription infrastructure
  • Network effects from Substack recommendations
  • Simple writing interface without distractions

✗ Substack Cons

  • 10% cut of paid subscriber revenue
  • Limited design and branding customization
  • No automation or complex email sequences

The Verdict

Loops is built for saas companies and startups, with a focus on email-campaigns and automation-loops. Substack targets independent writers and journalists and leads with newsletter and paid-subscriptions.

On pricing, Substack is the clear winner for budget-conscious users — starting at $0/mo compared to $49/mo for Loops. That $49/mo difference adds up quickly for growing teams.

Both offer free plans, so you can test each with your real workflow before committing to a subscription.

This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.

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