Kit vs Substack

Kit9.4Visit Substack8.8Visit

Higher score Kit #1 in Newsletter Platforms 9.4/10 Free plan · 14-day trial Free planFree trial✓ 5 of 5 features Visit Kit

vs

Substack #3 in Newsletter Platforms 8.8/10 Free plan Free plan✓ 0 of 5 features Visit Substack

• Kit fits best

  Creators building a full newsletter business

• Substack fits best

  Writers building subscription-based publications

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Side by side

Feature	Kit 9.4/10 Visit ↗	Substack 8.8/10 Visit ↗
At a glance
Editor score	9.4	8.8
Ranking	#1 in Newsletter Platforms	#3 in Newsletter Platforms
Best for	Creators building a full newsletter business	Writers building subscription-based publications
Pricing model	Free plan + paid	Free plan + paid
Starting price	$390/yr	Free plan
Free plan	✓	✓
Free trial	14 days	—
Deployment	Cloud	Cloud, Mobile
Platforms	Web	Web, iOS, Android
Support	Email, Live chat, Docs · 24/7	Docs
Integrations	100+ integrations	10 integrations
Built for	Solo, Small business, Mid-market	Solo, Small business, Mid-market, Enterprise
Features Kit 5/5 · Substack 0/5
Newsletter website	✓ (best)	Not checked yet
Custom domain	✓ (best)	Not checked yet
Paid subscriptions	✓ (best)	Not checked yet
Sponsor marketplace	✓ (best)	Not checked yet
API access	✓ (best)	Not checked yet
Specs
Free subscriber limit	10000 subscribers	Not checked yet
Email send model	Unlimited	Not checked yet
Our review
Pros	Free plan supports up to 10,000 subscribers Combines newsletters, automation, segmentation, and commerce Integrates with 100 apps and offers an API	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
Cons	Visual automations and sequences start on the Creator plan Advanced analytics and collaboration require Pro Paid pricing scales with subscriber count	No fixed creator plan tiers Paid subscriptions involve a revenue share Broader publishing focus may exceed simple email needs
Our verdict	Kit is an email marketing and automation platform for creators, including authors, bloggers, coaches, course creators, musicians, podcasters, newsletter publishers, and YouTubers. Its web and API offering covers email broadcasts, automated… Read the review →	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 →

Strengths and trade-offs

• Kit — where it wins

  • Free plan supports up to 10,000 subscribers
  • Combines newsletters, automation, segmentation, and commerce
  • Integrates with 100 apps and offers an API

  Where it doesn't

  • Visual automations and sequences start on the Creator plan
  • Advanced analytics and collaboration require Pro
  • Paid pricing scales with subscriber count

• 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

• Kit9.4/10 · Free plan · 14-day trial

  A full newsletter business platform with publishing, automation, segmentation, and commerce tools.

  Visit KitFull verdict →
• Substack8.8/10 · Free plan

  A broad publishing and subscription platform for writers, podcasters, and media teams.

  Visit SubstackFull verdict →