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Head-to-head · Publishing and Subscriptions Software

Substack vs Zephr

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Substack #2 in Publishing and Subscriptions Software 9.2/10 Free plan Free plan✓ 0 of 6 features Visit Substack
Zephr #7 in Publishing and Subscriptions Software 8.4/10 Pricing on request ✓ 0 of 6 features Visit Zephr

Substack leads on 0 checks, Zephr on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSubstack · 9.2/10
  • Free planonly Substack

Substack scores higher on our rubric for publishing and subscriptions software: 9.2 against 8.4 out of 10; our editors rank them #2 and #7.

Substack is the better fit for newsletter creators seeking subscriptions and discovery. Zephr is the better fit for large publishers optimizing paywall conversion.

  • Substack fits best

    Newsletter creators seeking subscriptions and discovery

  • Zephr fits best

    Large publishers optimizing paywall conversion

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Substack 9.2/10 Visit ↗ Zephr 8.4/10 Visit ↗
At a glance
Editor score 9.2 8.4
Ranking #2 in Publishing and Subscriptions Software #7 in Publishing and Subscriptions Software
Best for Newsletter creators seeking subscriptions and discovery Large publishers optimizing paywall conversion
Pricing model Free plan + paid Paid
Starting price Free plan Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Docs Docs
Integrations 10 integrations 30+ integrations
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Substack 0/6 · Zephr 0/6
Paid subscriptions Not checked yet Not checked yet
Paywall support Not checked yet Not checked yet
Newsletter tools Not checked yet Not checked yet
Audience analytics Not checked yet Not checked yet
Custom domain Not checked yet Not checked yet
API access Not checked yet Not checked yet
Our review
Pros
  • Paid monthly, annual, and founding-member subscriptions
  • Segmentation, welcome campaigns, lifecycle emails, and headline A/B tests
  • Audience discovery, podcast hosting, analytics, and community tools
  • Supports soft, metered, hard, and dynamic paywalls.
  • Combines offer personalization with conversion and journey analytics.
  • Connects to billing, data, CRM, and marketing systems.
Cons
  • Creators set up pricing without fixed creator plan tiers
  • Substack takes a revenue share from paid subscriptions
  • Support channels are centered on documentation
  • Pricing is contact-sales, with no public plan amounts.
  • Its core focus is paywall optimization, not end-to-end publishing.
  • Listed support is documentation, which may not suit teams needing other channels.
Our verdict

Substack combines newsletter delivery, web publishing, subscriber management, paid subscriptions, analytics, audience discovery, and community features. It is designed for writers, podcasters, video creators, and media organizations that…

Read the review →

Zephr is Zuora’s subscription experience platform for media companies, publishers, and other subscription businesses. Its center of gravity is controlling access and improving subscription journeys: teams can configure paywall rules,…

Read the review →
  1. SubstackPublishing and Subscriptions Software 9.2Free plan
  2. ZephrPublishing and Subscriptions Software 8.4Pricing on request

Strengths and trade-offs

  • Substack — where it wins

    • Paid monthly, annual, and founding-member subscriptions
    • Segmentation, welcome campaigns, lifecycle emails, and headline A/B tests
    • Audience discovery, podcast hosting, analytics, and community tools

    Where it doesn't

    • Creators set up pricing without fixed creator plan tiers
    • Substack takes a revenue share from paid subscriptions
    • Support channels are centered on documentation

  • Zephr — where it wins

    • Supports soft, metered, hard, and dynamic paywalls.
    • Combines offer personalization with conversion and journey analytics.
    • Connects to billing, data, CRM, and marketing systems.

    Where it doesn't

    • Pricing is contact-sales, with no public plan amounts.
    • Its core focus is paywall optimization, not end-to-end publishing.
    • Listed support is documentation, which may not suit teams needing other channels.
  • Substack9.2/10 · Free plan

    A broad creator platform combining newsletters, subscriptions, discovery, and podcast publishing.

    Visit SubstackFull verdict →
  • Zephr8.4/10 · Pricing on request

    Paywall optimization and subscriber journeys for publishers with complex needs.

    Visit ZephrFull verdict →

More comparisons

All publishing and subscriptions software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update