Email pricing calculator
What will your email cost? Every email tool, priced
Sign-ups, receipts, password resets sent from your code
Click a row for the plan and the catch. Monthly billing in USD; annual plans are often 10–20% less.
Email APIs at common volumes
| Tool | 10k emails | 50k emails | 100k emails | 500k emails | 1M emails |
|---|---|---|---|---|---|
| Resend | $20 | $20 | $35 | $350 | $650 |
| Postmark | $15 | $55 | $115 | $455 | $775 |
| SendGrid | $19.95 | $19.95 | $34.95 | $387 | $733 |
| Mailgun | $15 | $35 | $75 | $400 | $700 |
| Amazon SES | $1 | $5 | $10 | $50 | $100 |
| Brevo | $17 | $56 | $82 | $429 | $999 |
| Mailjet | $19 | $40 | $112 | $499 | — |
| MailerSend | $14.50 | $35 | $68 | $325 | $600 |
| Bird Email (SparkPost) | $15 | $20 | $40 | $200 | $400 |
| ZeptoMail | $2.50 | $12.50 | $25 | $125 | $250 |
| SMTP2GO | $15 | $30 | $75 | $280 | $520 |
| Mailtrap | $15 | $20 | $30 | $300 | $670 |
| Elastic Email | $19 | $19 | $29 | $169 | $269 |
| Plunk | $10 | $50 | $100 | $500 | $1,000 |
| useSend | $10 | $20 | $40 | $200 | $400 |
| Lettermint | $11.60 | $46.40 | $98.60 | $313 | $580 |
| AhaSend | $10 | $22.50 | $47.50 | $248 | $498 |
| MailPace | $10 | $50 | $100 | $500 | $1,000 |
| Mailchimp Transactional | $20 | $40 | $80 | $400 | $720 |
| Customer.io | $100 | $100 | $100 | $100 | $100 |
Monthly USD, monthly billing. — = sales quote only. Cheapest per column in green; hover for the plan.
Newsletter tools by list size
| Tool | 1k subs | 5k subs | 10k subs | 50k subs | 100k subs |
|---|---|---|---|---|---|
| Mailchimp | $26.50 | $75 | $110 | $385 | $800 |
| Kit (ConvertKit) | $0 | $0 | $0 | $379 | $679 |
| beehiiv | $0 | $109 | $139 | $299 | $469 |
| Substack | $0 | $0 | $0 | $0 | $0 |
| Ghost (Pro) | $18 | $75 | $105 | $249 | $329 |
| Buttondown | $9 | $29 | $79 | $319 | $459 |
| MailerLite | $19 | $49 | $89 | $319 | $439 |
| EmailOctopus | $0 | $28 | $37.50 | $120 | $218 |
| Brevo | $0 | $32 | $56 | $249 | $429 |
| Loops | $0 | $49 | $99 | $249 | $399 |
| Resend Marketing | $0 | $40 | $80 | $250 | $450 |
| Bento | $29 | $29 | $79 | $479 | $929 |
| Sender | $0 | $39 | $69 | $259 | $389 |
| Moosend | $16 | $48 | $88 | $315 | $624 |
| ActiveCampaign | $19 | $99 | $189 | $759 | $1,499 |
| Klaviyo | $30 | $100 | $150 | $720 | $1,380 |
| Campaign Monitor | $47 | $75 | $117 | $397 | — |
| Encharge | $99 | $179 | $249 | $550 | — |
| Flodesk | $25 | $52 | $72 | $389 | $689 |
| Mailcoach | $13.99 | $45.99 | $85.99 | $406 | $806 |
| Plunk | $4 | $20 | $40 | $200 | $400 |
| Sendy | $6.40 | $8 | $10 | $26 | $46 |
| listmonk | $6.40 | $8 | $10 | $26 | $46 |
Monthly USD, monthly billing, 4 emails per subscriber a month. — = sales quote only. Cheapest per column in green; hover for the plan.
Head to head
More: hosting cost calculator · free email APIs · startup credits and perks · free alternatives
FAQ
What is the cheapest email API?+
At 100,000 emails a month: Amazon SES ($10), ZeptoMail ($25), Elastic Email ($29). Amazon SES is the cheapest at any volume but comes without a dashboard, templates or support; among full-featured APIs, Resend costs $35, SendGrid $34.95 and Postmark $115 for the same volume.
Which email APIs have a free plan?+
For 3,000 emails a month: Resend, Mailgun, Brevo, Mailjet, Mailtrap, Elastic Email, useSend. Most free plans also cap sends per day (often 100), so check the daily limit if you send in bursts.
What is the cheapest newsletter tool?+
For 10,000 subscribers and 4 emails a month each, the cheapest hosted tools are Kit (ConvertKit) ($0), EmailOctopus ($37.50), Plunk ($40). Substack is free but takes 10% of paid subscriptions; self-hosting listmonk or Sendy on Amazon SES is cheapest of all if you can run a server. Free up to 10,000 subscribers: Kit (ConvertKit).
Mailchimp vs Kit vs beehiiv: which costs less?+
At 10,000 subscribers: Mailchimp Essentials $110, Kit $0 (free plan up to 10k), beehiiv $139. At 50,000: Mailchimp $385, Kit $379, beehiiv $299.
How is this calculated?+
From each tool’s official pricing page, checked 2026-10-25: free plan limits (monthly and daily), included emails and overage rates, or contact tiers and send limits. The calculator picks the cheapest self-serve plan that covers both your sends and your list size. Where a pricing slider has more steps than we recorded, the price is rounded up to the next listed step, so a few results may be slightly high.