Maileroo vs Postmark
Email API & Delivery pricing comparison · 2026
Maileroo pricing ranges from $0–$150/month, while Postmark ranges from $0–$18/month. Postmark is typically 63% more affordable, though your actual cost depends on tier and team size.
Maileroo
Maileroo is a transactional email service built for developers, with both an SMTP relay an
verified 6w ago
$249
$14K
Postmark
Postmark pricing starts at $0/month for the Free plan.
verified 7w ago
$249
$14K
Verdict · list-price math · year 1
Postmark
saves
$8.6K
vs
Maileroo
· 25 seats
Cheapest
$5.0K
Spread
63%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Growth
$14K/yr
year 1 license · $45/seat
Pro
$5.0K/yr
year 1 license · $17/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
No Vendr data
—
Not in Vendr's deal flow
Median annual
$249/yr
Vendr · n=31
REF · 01
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources
1 sourced fact
1 review platform
Last verified
1mo ago
Confidence
Limited confidence
Sources
12 sourced facts
7 hidden-cost · 2 contract · Vendr median · 2 review platforms
Last verified
1mo ago
Confidence
Medium confidence
REF · 02
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 05
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
User reviews
TrustRadius · Trustpilot · G2
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit Maileroo pricing
Affiliate partner — does not affect ranking.
License cost is computed from publicly listed plans (real math, list price × seats).
Median annual cost is from Vendr's deal flow when available — see source badges.
Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
VS
Plan-by-Plan Pricing
| Plan | Maileroo | Postmark |
|---|---|---|
| Free | Free /month | Free /month |
| Starter | $25 /month | $15 /month |
| Growth | $45 /month | $16.50 /month |
| Business | $85 /month | $18 /month |
| Scale | $150 /month | — |
| Custom | Custom | — |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Maileroo
4 scenarios$0/month
Hobby / Startup (Free Plan)
$25/month
Growing App (Starter Plan)
$45/month
Mid-Size Business (Growth Plan)
Postmark
3 scenarios$0/month (100 emails)
Developer Testing
$15/month
Small SaaS
$85/month
Growing App