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Head-to-head · Newsletter Platforms

Substack vs SendFox

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Substack #3 in Newsletter Platforms 8.8/10 Free plan Free plan✓ 0 of 5 features Visit Substack
SendFox #5 in Newsletter Platforms 8.5/10 Free plan Free plan✓ 0 of 5 features Visit SendFox

Substack leads on 0 checks, SendFox 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 · 8.8/10
  • Free planboth

Substack scores higher on our rubric for newsletter platforms: 8.8 against 8.5 out of 10; our editors rank them #3 and #5.

Substack is the better fit for writers building subscription-based publications. SendFox is the better fit for budget-conscious creators with larger lists.

  • Substack fits best

    Writers building subscription-based publications

  • SendFox fits best

    Budget-conscious creators with larger lists

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 8.8/10 Visit ↗ SendFox 8.5/10 Visit ↗
At a glance
Editor score 8.8 8.5
Ranking #3 in Newsletter Platforms #5 in Newsletter Platforms
Best for Writers building subscription-based publications Budget-conscious creators with larger lists
Pricing model Free plan + paid Free plan + paid
Starting price Free plan $190/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud
Platforms Web, iOS, Android Web
Support Docs Docs
Integrations 10 integrations 15 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Substack 0/5 · SendFox 0/5
Newsletter website Not checked yet Not checked yet
Custom domain Not checked yet Not checked yet
Paid subscriptions Not checked yet Not checked yet
Sponsor marketplace Not checked yet Not checked yet
API access Not checked yet Not checked yet
Specs
Free subscriber limit Not checked yet Not checked yet
Email send model Not checked yet Not checked yet
Our review
Pros
  • Combines newsletters, paid subscriptions, podcasts, and web publishing
  • Supports segmentation, lifecycle campaigns, and headline A/B testing
  • Adds audience discovery, community tools, and detailed analytics
  • Free plan supports up to 5,000 subscribers
  • Automation, segmentation, forms, and paid newsletters
  • REST API plus WordPress, Zapier, Make, and Shopify integrations
Cons
  • No fixed creator plan tiers
  • Paid subscriptions involve a revenue share
  • Broader publishing focus may exceed simple email needs
  • Free emails include SendFox branding
  • Lifetime plan has 300,000 lifetime sends
  • Documentation is the listed support channel
Our verdict

Substack is a publishing and email subscription platform for writers, podcasters, video creators, and media organizations. It supports free or paid publications across web, iOS, and Android, combining newsletter delivery, web publishing,…

Read the review →

SendFox is a cloud-based email marketing platform for creators, entrepreneurs, and small businesses. It covers newsletter campaigns, automated email sequences, audience lists, tags, advanced-search segmentation, personalization with merge…

Read the review →
  1. SubstackNewsletter Platforms 8.8Free plan
  2. SendFoxNewsletter Platforms 8.5Free plan

Strengths and trade-offs

  • Substack — where it wins

    • Combines newsletters, paid subscriptions, podcasts, and web publishing
    • Supports segmentation, lifecycle campaigns, and headline A/B testing
    • Adds audience discovery, community tools, and detailed analytics

    Where it doesn't

    • No fixed creator plan tiers
    • Paid subscriptions involve a revenue share
    • Broader publishing focus may exceed simple email needs

  • SendFox — where it wins

    • Free plan supports up to 5,000 subscribers
    • Automation, segmentation, forms, and paid newsletters
    • REST API plus WordPress, Zapier, Make, and Shopify integrations

    Where it doesn't

    • Free emails include SendFox branding
    • Lifetime plan has 300,000 lifetime sends
    • Documentation is the listed support channel

More comparisons

All newsletter platforms comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update