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Substack vs Kit (ConvertKit)
🤝 It's a Tie — Both tools are very closely matched. Your best choice depends on your specific workflow.
Feature
Substack
Kit (ConvertKit)
Rating
⭐ 4.8/5
⭐ 4.8/5
Free Plan
Starting Price
$19/mo
$29/mo
Monthly Visits
68.0M
19.0M
API Support
Open Source
AI Capabilities
Mobile App
Desktop App
Browser Extension
Integrations
4 apps
6 apps
Team Size
ENTERPRISE
SMB
Substack Pros & Cons
Pros
- Reliable infrastructure
- Fast intuitive user interface
- Broad ecosystem integration
Cons
- Full feature set requires paid plan
Kit (ConvertKit) Pros & Cons
Pros
- Creator Network generates thousands of free subscribers through creator cross-recommendations
- Industry-leading email deliverability into primary inbox tabs
- Tag-based subscriber management prevents paying twice for the same user
Cons
- Drag-and-drop design templates are simpler than Mailchimp's graphic-heavy layouts (by design)
- Free tier excludes automated email funnels and visual sequences
Substack Key Features
- Cloud Sync
- Multi-platform Access
- Collaboration Tools
- Export & Integrations
- Security & Encryption
Kit (ConvertKit) Key Features
- Creator Network (Cross-Promote Newsletters with Top Creators)
- Visual Automation Sequences with Tag-Based Segmentation
- Sell Digital Products & Paid Newsletter Subscriptions (Kit Commerce)
- Clean Text-First High Deliverability Email Formatting