Estimated monthly cost comparison — not just the headline price
Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →
Quick Take
Brevo has the lower estimated monthly cost (~76%)
Based on advertised price plus documented recurring fees, not your exact usage.
Best for Brevo
All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Free to $18/mo is attr
Best for Mailchimp
Email marketing platform with automation. Free for 500 contacts, then contact-based pricing creates
All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Fr...
Advertised
$0
/month
Estimated monthly cost
$27
/month (illustrative)
Daily Send Limit on Free
Free plan limits to 300 emails/day (9,000/mo). A list of 10K contacts can't be emailed in one campai...
Brevo Logo on Free & Starter
Brevo branding appears on all emails on Free and Starter plans. Removing it requires Business plan a...
Landing Pages & A/B Testing Paywall
Landing pages, A/B testing, and advanced statistics require Business plan ($18/mo) or higher. Starte...
Email marketing platform with automation. Free for 500 contacts, then contact-ba...
Advertised
$0
/month
Estimated monthly cost
$113
/month (illustrative)
Unsubscribed Contacts Count
Mailchimp counts unsubscribed and non-subscribed contacts toward your billing limit. A list of 10K w...
Steep Contact Tier Scaling
Pricing jumps dramatically: 500 contacts = $13.99/mo, 2,500 = $45/mo, 10K = $100/mo, 50K = $350/mo. ...
Pay-As-You-Go Email Credits
Over-limit sends cost extra as email credits. Standard plan allows 12x your contact limit per month....
Advanced Automation Paywall
Free and Essentials include only basic automations. Customer journeys with branching, A/B testing, a...
Brevo advertises $0/mo. Mailchimp advertises $0/mo.
Brevo has 3 documented hidden fees. Mailchimp has 4.
Brevo confidence: 74%. Mailchimp confidence: 80%.
| Metric | Brevo | Mailchimp | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $0/mo | — |
| Estimated Monthly Cost | $27/mo | $113/mo | Brevo |
| Recurring Extra Fees | +$27/mo | +$113/mo | Brevo |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 4 | — |
| Pricing Tiers | 3 | 4 | — |
| Affiliate Program | None | No public affiliate program (discontinued 2022) | — |
Brevo advertises $0/mo and Mailchimp advertises $0/mo. Brevo has 3 documented extra fees (recurring: +$27/mo), while Mailchimp has 4 (recurring: +$113/mo). On these illustrative assumptions, Brevo has the lower estimated monthly cost (about 76% less). Your real cost depends on seats and usage — use the calculator for your numbers.
Brevo has 3 documented extra fees: Daily Send Limit on Free, Brevo Logo on Free & Starter, Landing Pages & A/B Testing Paywall. Recurring fees add roughly $27/mo on top of the $0/mo advertised price.
Mailchimp has 4 documented extra fees: Unsubscribed Contacts Count, Steep Contact Tier Scaling, Pay-As-You-Go Email Credits, Advanced Automation Paywall. Recurring fees add roughly $113/mo on top of the $0/mo advertised price.
Choose Brevo if: All-in-one marketing platform (formerly Sendinblue). Email-based pricing from Free to $18/mo is attr. Choose Mailchimp if: Email marketing platform with automation. Free for 500 contacts, then contact-based pricing creates . The right choice depends on your team size, usage volume, and which features you need most.
This comparison is compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.
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