Our take
Pick Postmark if app teams who will stay on Free at $0 (100 emails / month, no overages) while they open a first Servers list, then buy Basic at $15 / month (10,000 emails, extra $1.80 / 1,000) when they leave the 100-email bucket. Pick SendGrid if app teams who will stay on the $0 / 60-day trial (100 emails / day) while they open a first Activity feed, then buy Essentials at $19.95 / month (50,000 emails) when the
Best for
Postmark Transactional streams you start at $0
SendGrid Delivered rows you search at a public $
Free plan
Postmark $0 · / month. 100 emails / month. No overages. Never expires. For testing an integration or a side project
SendGrid No free plan
Lowest paid
Postmark Basic $15
SendGrid Essentials $19.95
Next step up
Postmark Pro $16.50
SendGrid Pro $89.95
Runs where
Postmark Hosted
SendGrid Hosted
Watch out
Postmark Free caps at 100 emails / month with no overages
SendGrid The $0 tile is a 60-day trial, not forever
Last checked
Postmark 2026-10-23 · postmarkapp.com/pricing
SendGrid 2026-10-23 · twilio.com/en-us/products/email-api
app teams who will stay on Free at $0 (100 emails / month, no overages) while they open a first Servers list, then buy Basic at $15 / month (10,000 emails, extra $1.80 / 1,000) when they leave the 100-email bucket.
Read the Postmark pageapp teams who will stay on the $0 / 60-day trial (100 emails / day) while they open a first Activity feed, then buy Essentials at $19.95 / month (50,000 emails) when the trial ends.
Read the SendGrid page
