Choose MailerSend if you need
- ISO 27001 or SSO. We haven't found them on Plunk's website.
At a glance
- Both have a free plan.
- MailerSend's lowest paid plan is Professional at $99.00 per month, billed yearly, as of October 20, 2026.
- Both are available on API and SMTP.
- Both list GDPR.
- Only MailerSend lists ISO 27001 and SSO.
- Both have a public API.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Plunk if you need
No checked fact sets Plunk apart from MailerSend yet.
MailerSend
Nobody has reviewed MailerSend yet. Its rating shows once it has 3 reviews.
Review MailerSend
Plunk
Nobody has reviewed Plunk yet. Its rating shows once it has 3 reviews.
Review PlunkThe facts
- What it does
- MailerSendTeam-friendly email API for modern apps
- PlunkTransactional email, marketing campaigns, and automated workflows, all against one contact list
- Free plan
- MailerSendYes
- PlunkYes
- Pricing
- MailerSendNot confirmed
- PlunkNot confirmed
- Paid plans from
- MailerSend
What they share
From the platforms and integrations each website lists.
Platforms
Both
- API
- SMTP
Only MailerSendNothing else listed
Only PlunkNothing else listed
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between MailerSend and Plunk yet.
Used either of them?
Your review makes this comparison better for the next person. Review MailerSend or review Plunk.