# Compare, honestly

> Honest comparisons of Email Fast with SendGrid, Resend, Postmark, Mailgun, Mailchimp, Substack, and more — including when to choose them instead.

Canonical: https://emailfast.dev/compare

## Developer email platforms

- [SendGrid alternative](/compare/sendgrid-alternative) — and a [drop-in migration](/migrate/sendgrid) that keeps your SDK
- [Resend alternative](/compare/resend-alternative)
- [Postmark alternative](/compare/postmark-alternative) — [migration](/migrate/postmark)
- [Mailgun alternative](/compare/mailgun-alternative) — [migration](/migrate/mailgun)
- [EmailJS alternative](/compare/emailjs-alternative) — [drop-in browser SDK](/migrate/emailjs)
- [Loops alternative](/compare/loops-alternative)

## Newsletter & creator platforms

- [Mailchimp alternative](/compare/mailchimp-alternative)
- [Substack alternative](/compare/substack-alternative)
- [beehiiv alternative](/compare/beehiiv-alternative)
- [Buttondown alternative](/compare/buttondown-alternative)
- [Kit (ConvertKit) alternative](/compare/kit-alternative)

## Secure email

- [Paubox alternative](/compare/paubox-alternative)

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**Our stake, declared:** we make Email Fast, so read these with that in mind — then
check the claims. Competitor facts carry the date we verified them on their own
public pages, and corrections go to [hello@emailfast.dev](/contact).