Mailchimp vs Postmark
Side-by-side plans, pricing, and feature gates for Mailchimp and Postmark, verified . Mailchimp is primarily email marketing; Postmark is primarily transactional email.
Plans side by side
Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.
Mailchimp
- Free
Up to 250 contacts, 500 sends/month
Free - Essentials
Entry paid tier with A/B testing
$13/mo - Standard
Most popular paid tier
$20/mo - Premium
For high-volume senders and bigger teams
$350/mo
Postmark
- Free
100 emails per month, no credit card required
Free - Basic
Entry paid tier with 10,000 emails/month and 5 custom domains
$15/mo - Pro
10,000 emails/month with inbound processing and customizable retention
$16.50/mo - Platform
Unlimited domains and users with the lowest overage rate
$18/mo - High-Volume
Custom pricing for volumes above standard tiers
Custom
Limits at the entry paid tier
Compares Essentials (Mailchimp) against Basic (Postmark). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Mailchimp | Postmark |
|---|---|---|
| Contacts | 500 contacts (anchor; scales up) | · |
| Emails / month | 5,000 sends (10x contacts) | 10,000 |
| Team seats | 3 | · |
| Automations | 4 flow steps | · |
| Campaigns | 3 audiences | · |
When Mailchimp wins
- Small businesses that want one tool with a real onboarding flow and a huge integration list
- Teams already living in Intuit (QuickBooks) products
- Operators who want a brand-name vendor for stakeholder approval
Where Mailchimp is the wrong fit
- Creators with growing newsletters; the per-contact tax compounds (Kit, beehiiv, or MailerLite tend to be cheaper at 10k+ subscribers)
- B2B sales teams; the CRM is light versus HubSpot or ActiveCampaign
- Teams needing predictive AI on a budget; you have to jump to the $350 Premium plan
When Postmark wins
- SaaS apps prioritizing receipt and notification deliverability
- Teams that need detailed inbound email parsing alongside outbound sends
- Companies that need 365-day data retention for compliance
Where Postmark is the wrong fit
- Hobby projects with bursty traffic (Mailgun's 100/day or Resend's 3,000/month are friendlier than the 100/month Free cap)
- Marketing teams (use Mailchimp or Kit)
- Buyers who want a single vendor for marketing and transactional email
Common questions
- Is Mailchimp cheaper than Postmark?
- Both Mailchimp and Postmark have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Mailchimp or Postmark have a free plan?
- Both have free plans. Mailchimp: Up to 250 contacts, 500 sends/month. Postmark: 100 emails per month, no credit card required.
- Are Mailchimp and Postmark in the same category?
- No. Mailchimp is primarily a email marketing tool; Postmark is primarily a transactional email tool. They overlap on use case but sit in different primary categories, so the comparison is between adjacent tools rather than direct competitors.
- Which has more plans, Mailchimp or Postmark?
- Postmark ships 5 plans; Mailchimp ships 4. Postmark's longer ladder gives more granular upgrade steps, which can mean smoother price escalation as your team scales.
- Where can I see alternatives to Mailchimp or Postmark?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/mailchimp for Mailchimp and /alternatives/postmark for Postmark. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Mailchimp: https://mailchimp.com/pricing/marketing/ · Postmark: https://postmarkapp.com/pricing
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.