ConvertKitvsSubstack

ConvertKit

• Massive price hikes up to 4x for existing customers(10/10)
• Pricing increases steeply as subscriber list grows(9/10)
• Starter plan severely limited - forces upgrade quickly(7/10)
• Creator Pro required for basic features like newsletter referrals(6/10)

Substack

• 10% revenue cut adds up significantly(9/10)

ConvertKit

• Account deletion takes 6+ weeks despite promises(9/10)
• Support quality inconsistent and slow response times(6/10)

Substack

• Customer support is essentially non-existent(9/10)

ConvertKit

• Email builder is clunky and frustrating to use(7/10)
• Interface becomes overwhelming with more features(6/10)

Substack

• No API limits automation and integrations(8/10)
• Lacks email marketing features(8/10)
• Minimal signup and segmentation options(6/10)
• Poor reading experience on the app(5/10)
• Discoverability is challenging for new writers(6/10)
• Not suitable for sales funnels or affiliate marketing(5/10)
• Limited analytics and insights(5/10)

ConvertKit

• Limited template and design customization options(7/10)

Substack

• Minimal design customization options(7/10)

ConvertKit

• Integrations limited compared to larger platforms(5/10)

Substack

No signals

ConvertKit

• Email deliverability issues reported by some users(7/10)

Substack

• Billing issues and unexpected charges plague users(8/10)
• Technical issues prevent publishing(7/10)

ConvertKit

• GDPR compliance concerns with data deletion delays(8/10)

Substack

• Content moderation controversy eroded trust(6/10)