Postmark vs Substack

Side-by-side comparison of Postmark and Substack to help you choose the right tool.

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Feature Postmark Substack
Pricing $15/mo 10% on paid subs
Rating ⭐ 4.7/5 ⭐ 4.4/5
Categories email email, community
Fastest delivery ✅ ❌
Message streams ✅ ❌
Templates ✅ ❌
Inbound processing ✅ ❌
DMARC monitoring ✅ ❌
Webhooks ✅ ❌
Newsletter publishing ❌ ✅
Paid subscriptions ❌ ✅
Podcast hosting ❌ ✅
Community ❌ ✅
Recommendations ❌ ✅
App ❌ ✅

Postmark

Transactional email service with industry-leading delivery speed

Try Postmark →

Substack

Start a newsletter and build a paid subscriber base

Try Substack →
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