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SendGrid
Email Marketing
★ 4.0
rating
$19.95/mo (Essentials, 50K emails)
starts at
Free
tier
VS
★ Winner
Substack
Email Marketing
★ 4.2
rating
N/A
Quick verdict
Substack wins for writers who want the simplest path to publishing a newslette.
Substack has a 4.2 rating vs 4.0 for SendGrid. SendGrid is the better pick if you need applications and enterprises needing reliable, high-volume email delivery at sca.
Performance overview
SendGrid
Substack
Overall
4.04.2
Ease of use
3.64.7
Value for money
4.54.2
Features
Side-by-side comparison
Choose based on your needs
Choose SendGrid if...
Best for
Applications and enterprises needing reliable, high-volume email delivery at scale.
Battle-tested infrastructure for high-volume email delivery
Combined transactional and marketing email in one platform
Choose Substack if...
Best for
Writers who want the simplest path to publishing a newsletter with paid subscriptions.
Zero monthly cost — only pay when you earn
Simplest writing and publishing experience available