Should you build your own Mailchimp?
Buy it. Sending email is easy. Getting it into the inbox isn’t.
Short answer
You can build signup forms and send through an email API. But then deliverability, bounce and complaint handling, unsubscribe compliance (CAN-SPAM, GDPR) and list hygiene are all on you. At 500 contacts, Mailchimp is about $13 a month. If price is the problem, switch to a cheaper email tool instead of building one.
- Buy for 3 years
- $468 Essentials, up to 500 contacts, $13/mo
- Build and run for 3 years
- $2,095 15 h to build, 1 h/mo upkeep
- Verdict
- BUY Money and risk combined
Is Mailchimp on your card statement?
Stack Scan reads a statement in your browser, finds every subscription and shows what each one really costs you, with this verdict applied to your own numbers.
Cheaper options
Mailchimp pricing in 2026
| Plan | Billed yearly | Billed monthly |
|---|---|---|
| Essentials, up to 500 contacts Typical | $13/mo | – |
| Standard, up to 500 contacts | $20/mo | – |
| Standard, up to 2,500 contacts | $60/mo | – |
| Standard, up to 5,000 contacts | $100/mo | – |
Free plan: Up to 250 contacts and 500 emails a month
Paying too much? The Free plan covers a list under 250 contacts. Essentials at $13 is enough if you send newsletters without long automations, since Standard adds longer automation flows and AI features.
Billed monthly, read in USD on Mailchimp’s pricing page at each contact tier. Mailchimp offers annual billing only through sales, for Standard and Premium at 10,000+ contacts. Premium starts at $350 a month. Checked October 26, 2026.
Run your own numbers
Defaults are a typical small team at $30/hour. Change anything.
Buying is about $1,627 cheaper over 3 years.
3-year totals. Building includes your time, upkeep, running costs and one month of an AI app builder ($25). Change any number to match your situation.
What you’d build
- Signup forms that write to your own contacts table
- Sending through an email API (e.g. Amazon SES or Resend)
- Unsubscribe links, a suppression list, and bounce and complaint webhooks
- Templates and a basic send scheduler
Our estimate for an email-sending API at modest volume.
What you’d give up
- Sending infrastructure with an established reputation
- A drag-and-drop editor and template library
- Automations, segments and A/B tests
- Open and click reports
Risks the price doesn’t show
A new sending setup lands in spam easily.
Unsubscribes and consent records are legal requirements.
Ignoring bounces and complaints gets your domain blocked.
When the verdict flips
Switch to HYBRID if you only send transactional email (receipts, password resets). That belongs in your app through an email API anyway.
Sources
Build hours are our estimates for one person using an AI app builder. How we score. Spotted a wrong price? Tell us on X @BuildictHQ.
Related verdicts
beehiiv
Email marketing
Buy it, but stay on the free plan until you need paid subscriptions or automations.
- Buy, 3 yrs
- $1,764
- Build, 3 yrs
- $4,645
Kit
Email marketing
Switch to MailerLite. At 1,000 subscribers it costs $17.10 a month against Kit’s $33.
- Buy, 3 yrs
- $1,188
- Build, 3 yrs
- $3,085
1Password
Passwords & security
Buy it. You should not build a password manager, and the Teams Starter Pack is $24.95 a month for 10 people.
- Buy, 3 yrs
- $898
- Build, 3 yrs
- $7,705