Klaviyo
klaviyo.com
Email and SMS built around e-commerce data
from $20/moFree plan
Postmark
Transactional email that actually arrives
Free trialEmail MarketingSince 2010
from $15/moVisit postmarkapp.com
What Postmark is
Focused purely on transactional sending — receipts, password resets, notifications — with a reputation for fast delivery and detailed per-message logs. Part of ActiveCampaign.
Postmark's Basic plan has read $15 a month on every one of the 3 times we have checked this page, from Aug 2026 to Sept 2026. It has not moved while we have been looking. See the source
People use it to
Current offers
Free trial
Free trial available
Trial length and card requirement are set by the vendor.
Postmark alternatives
Other tools in email marketing that cover similar ground. Full comparison.
Where Postmark sits on price
Entry prices across Email Marketing, cheapest first.
- Brevo$10.80
- MailerLite$12
- Mailchimp$13
- ActiveCampaign$15*
- Postmark$15
- Klaviyo$20*
- Mails.ai$20
- Resend$20
- SendGrid$20*
- Kit$33
8 of these 12 prices were read from the vendor's own pricing page; the rest are marked * and are indicative. The median is taken across the 7 verified prices in Email Marketing. Showing the 10 cheapest.
Postmark pricing questions
- How much does Postmark cost?
- Postmark starts at $15 a month on its Basic plan, billed monthly. That figure was read from postmarkapp.com's own pricing page on 21 September 2026.
- Does Postmark have a free plan?
- No ongoing free plan. Postmark offers a free trial, after which a paid plan is required.
- What is Postmark used for?
- Focused purely on transactional sending — receipts, password resets, notifications — with a reputation for fast delivery and detailed per-message logs. Part of ActiveCampaign. People mainly use it to send transactional email, send receipts, improve deliverability.
- What are the best alternatives to Postmark?
- The closest alternatives in the same category are Klaviyo, Mailchimp, Kit, ActiveCampaign. Mailchimp starts lower at $13 a month. Klaviyo, Mailchimp and Kit publish a free plan.