Proton vs Resend

PRvs

Two Tech stack tools side by side: what each does, what it costs and who it suits.

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The verdict Side by side Plans and pricing Who each is for Other options

The verdict

On the data we hold, Resend comes out ahead. Here is why, point by point.

What the data says

Only Resend has a free plan to start on.
Proton starts lower, at $7/mo against $20/mo.
In our Tech stack ranking, Resend places 34 and Proton 70 of 72.

Side by side

Proton and Resend compared
At a glance	PRProton	Resend
Starts at	$7/mo	$20/mo
Free plan	No	Yes
API	Not known yet	Yes
MCP server	Not known yet	Yes
Links	Visit	Visit

Plans and pricing

Proton

Mail EssentialsTeams needing core secure email and calendar functionality$7.99/mo
Workspace StandardGroups requiring full privacy suite with large storage$14.99/mo
Workspace PremiumOrganizations needing AI tools and extensive resources$24.99/mo

Resend

FreeFree forever: 3,000 emails per month (100 per day), 3 domains, 1 webhook endpoint.Free
Pro50,000 emails per month, then $0.90 per 1,000 extra; 10 domains and no daily limit.$20/mo
Scale100,000 emails per month, then $0.90 per 1,000 extra; 1,000 domains and a dedicated Slack channel.$90/mo

Prices as the vendors list them. They change often; the final price is on their sites.

Who each is for

Choose Proton if…

We haven't written up who Proton suits yet.

Visit Read the review

Choose Resend if…

Software teams that want to send transactional email, such as sign-ups, receipts and password resets, and some marketing email from their own code, with a clean API and good developer tooling.

Visit Read the review

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