12 alternatives · email & marketing · 2026

Postmark alternatives, by price.

Postmark starts at $15 a month. 2 of the 12 alternatives below start lower. Standing prices, not promotions — each read from the vendor's own page and linked to its source.

Side by side

What the alternatives cost

ProductStarts atAgainst PostmarkFree planChanges on record
Postmark
the one you are comparing against
$15
per month · Basic
—Yesnone
Buffer
Buffer
$5
per seat / mo · Essentials
not like-for-likeYesnone
MailerLite
MailerLite
$10.80
per month · Comfort
28% lessYesnone
Mailchimp
Mailchimp (Intuit)
$13
per month · Essentials
13% lessYes13 since 2022
GetResponse
GetResponse
$15.58
per month, billed yearly · Starter
4% more—none
Later
Later
$18.75
per month, billed yearly · Starter
25% more—none
Resend
Resend
$20
per month · Pro
33% moreYesnone
Kit
Kit (formerly ConvertKit)
$33
per month · Creator
120% moreYes7 since 2024
beehiiv
beehiiv
$49
per month, billed yearly · Lite
227% moreYes13 since 2024
Customer.io
Customer.io
$100
per month · Essentials
567% more—none
Hootsuite
Hootsuite
€99
per seat / mo, billed yearly · Standard
not like-for-like—none
Buttondown
Buttondown
free only—Yes11 since 2022
Klaviyo
Klaviyo
free only—Yes3 since 2024

CHEAPEST PAID PLAN FIRST. “NOT LIKE-FOR-LIKE” MEANS ONE IS PRICED PER USER AND THE OTHER IS NOT, ONE IS NOT BILLED BY THE MONTH OR YEAR, OR THEY ARE IN DIFFERENT CURRENCIES. THE RECORD DOES NOT CONVERT ANY OF THOSE.

Questions

Postmark alternatives, answered

Q1 What is the cheapest alternative to Postmark?

Buffer, at $5 per user a month for its Essentials plan — the lowest paid entry price of the 12 alternatives on the record. Postmark itself starts at $15 a month. Buffer, MailerLite, Mailchimp, Resend, Kit, beehiiv and 2 more also list a free plan.

Q2 Which Postmark alternatives have a free plan?

Buffer, MailerLite, Mailchimp, Resend, Kit, beehiiv, Buttondown and Klaviyo. Only a plan the vendor lists at $0 counts; free trials do not.

Q3 Is Postmark more expensive than its alternatives?

2 of 12 alternatives start below Postmark's $15 a month: MailerLite and Mailchimp. Entry prices are compared only where both are charged the same way — per user against per user, flat against flat.

Q4 How current are these prices?

Each pricing page is re-read by MarkupBot at least daily. The table shows the standing price of every plan — where a vendor is running a promotion, the price it reverts to — and every product name links to its dated history and the archived capture behind each figure.