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 (~87%)
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 Klaviyo
E-commerce email and SMS marketing platform. Free for 250 contacts, then contact-based pricing that
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...
E-commerce email and SMS marketing platform. Free for 250 contacts, then contact...
Advertised
$0
/month
Estimated monthly cost
$205
/month (illustrative)
Steep Contact-Based Scaling
Free for 250 contacts. Then: 1K = $30/mo, 5K = $100/mo, 10K = $150/mo, 25K = $400/mo, 50K = $720/mo....
SMS Credits Charged Separately
SMS marketing requires separate credit purchases. US SMS: $0.01-$0.015/message. 10K SMS/mo = $100-15...
Email Send Limits Per Tier
Email sends are capped at 10x your contact limit on most plans. Exceeding requires upgrading to a hi...
Brevo advertises $0/mo. Klaviyo advertises $0/mo.
Brevo has 3 documented hidden fees. Klaviyo has 3.
Brevo confidence: 74%. Klaviyo confidence: 78%.
| Metric | Brevo | Klaviyo | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $0/mo | — |
| Estimated Monthly Cost | $27/mo | $205/mo | Brevo |
| Recurring Extra Fees | +$27/mo | +$205/mo | Brevo |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 3 | — |
| Pricing Tiers | 3 | 3 | — |
| Affiliate Program | None | None | — |
Brevo advertises $0/mo and Klaviyo advertises $0/mo. Brevo has 3 documented extra fees (recurring: +$27/mo), while Klaviyo has 3 (recurring: +$205/mo). On these illustrative assumptions, Brevo has the lower estimated monthly cost (about 87% 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.
Klaviyo has 3 documented extra fees: Steep Contact-Based Scaling, SMS Credits Charged Separately, Email Send Limits Per Tier. Recurring fees add roughly $205/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 Klaviyo if: E-commerce email and SMS marketing platform. Free for 250 contacts, then contact-based pricing that . 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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