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Notion AI reaches 10M users
Slack Huddles update: 4K Video support live
HubSpot pricing adjustment: +5% for Enterprise
Linear introduces Automated Workflows v2
New high-growth AI categories added to StackCompare
Notion AI reaches 10M users
Slack Huddles update: 4K Video support live
HubSpot pricing adjustment: +5% for Enterprise
Linear introduces Automated Workflows v2
New high-growth AI categories added to StackCompare
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Solid Contender

ConvertKit

SEO and content marketing made simple.

VS
Best for Startups

Substack

Substack offers a comprehensive suite of Marketing tools.

50%ConvertKit
User Preference Split
50%Substack
Best Value
Substack

Starts at Free

Top Rated
ConvertKit

4.7/5 from users

Most Popular
Substack

Trusted by 20M+

Disclaimer: Data is indicative. Verify on official sites.

Founder?Claim Dashboard
Founder?Claim Dashboard
Feature
Recommended
ConvertKit
Substack
Feature Score
90
86
REST API Access
SAML/SSO Security
Enterprise
Enterprise
24/7 Priority Support
24/7
Email
iOS/Android App
White-Label Branding

Cost Projection

Based on entry-level paid plans.

10
1 USER500 USERS
ConvertKit
$150
EST. MONTHLY
Substack
$0
EST. MONTHLY

Projected Scaling Costs

Team Size
ConvertKit
Substack
1 Users
$15
$0
10 Users
$150
$0
50 Users
$750
$0
100 Users
$1,500
$0

Analysis: ConvertKit

$15
Efficiency: 85/100
Cost Efficiency
Pricing vs Value ratio.
4.7
Sentiment Hub
User satisfaction index.
Provision ConvertKit
Provision App
Official implementation.
ValueComplexity
Market Positioning
Market Quadrant
Competitive position.
Verified: 2026
SSL/TLS 1.3
Uptime: 99.9%
API: Ready

ConvertKit Pros

  • Streamlined user onboarding.
  • Highly customizable dashboard.

ConvertKit Cons

  • Advanced features require premium plans.
  • Smaller community marketplace.

Stack Compatibility Check

Select the tools you already use to see how well ConvertKit integrates.

Analysis: Substack

Free
Efficiency: 78/100
Cost Efficiency
Pricing vs Value ratio.
4.7
Sentiment Hub
User satisfaction index.
Provision Substack
Keep 90% Revenue
Provision App
Official implementation.
ValueComplexity
Market Positioning
Market Quadrant
Competitive position.
Verified: 2026
SSL/TLS 1.3
Uptime: 99.9%
API: Ready
🌍 Market Leader💎 Generous Free Tier

Substack Pros

  • Streamlined user onboarding.
  • Highly customizable dashboard.
  • Generous free-forever tier.

Substack Cons

  • Advanced features require premium plans.

Stack Compatibility Check

Select the tools you already use to see how well Substack integrates.

Migration Calculator

Estimate the effort to switch from ConvertKit to Substack.

Based on Marketing industry avgs
Team Size10 Users
Time to Migrate
15 Hours
Total downtime/setup
Data Export
CSV
Recommended format
Est. Cost
$750
In labor/consulting

StackBot AI

Online • Comparing ConvertKit vs Substack
I've analyzed both ConvertKit and Substack. My advice is AI-generated and for informational purposes only. What specific feature or use-case matters most to you?

Frequently Asked Questions

Deep Dive Reviews

Full Review
Is ConvertKit Worth It in 2026?
Full Review
Is Substack Worth It in 2026?

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