Brevo vs Customer.io
Compare Brevo and Customer.io on features, pricing, and buyer fit using the same researched criteria.
Brevo
Multi-channel email marketing with send-based pricing, a generous free plan, and CRM-lite tools — formerly Sendinblue.
Best for
- • SMBs wanting send-based email pricing with a generous free plan
- • EU/SMB buyers comparing multi-channel email + SMS/chat stacks
- • Teams with large contact databases but moderate monthly send volume
Starting from $9.00/user/mo
Free plan available
VS
Our verdict
There is no universal winner between Brevo and Customer.io. Choose Brevo when SMBs wanting send-based email pricing with a generous free plan. Choose Customer.io when Product-led teams sending event-driven multi-channel messages. Criterion scores come from approved SoftwareGlimpse editorial assessments and first-party research — not hands-on lab testing.
Brevo is better for
- ✓ Landing pages
Customer.io is better for
- ✓ Automation
- ✓ Segmentation
- ✓ Integrations
Tie
- • Templates
- • Analytics
- • AI features
Choose Brevo if: SMBs wanting send-based email pricing with a generous free plan
Choose Customer.io if: Product-led teams sending event-driven multi-channel messages
Customer.io
Product-led event-driven messaging across email, push, SMS, and in-app — MAP-adjacent to classic ESPs.
Best for
- • Product-led teams sending event-driven multi-channel messages
- • SaaS/apps needing behavioral onboarding and lifecycle messaging
- • Teams comparing Braze-class engagement with a mid-market entry
Starting from $100.00/user/mo
No free plan
Brevo vs Customer.io at a glance
Criterion-level leaders from verified research.
Scorecard preview
Criterion leaders based on verified research — open the Scorecard tab for evidence detail.
- Starting pricingDepends
Brevo
Customer.io
- Contact / subscriber limitsDepends
Brevo
Customer.io
- Email send limitsDepends
Brevo
Customer.io
- AutomationCustomer.io
Brevo
Customer.io
- TemplatesTie
Brevo
Customer.io
Which email marketing is better for you?
Quick picks based on fit — not a universal ranking.
- → Brevo
Best for landing pages
Stronger landing pages availability
- → Customer.io
Best for automation
Customer.io leads on automation (8/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
- → Customer.io
Best for segmentation
Customer.io leads on segmentation (7/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
- → Customer.io
Best for integrations
Customer.io leads on integrations (7/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
The biggest differences
Where the products diverge most clearly on verified criteria.
Starting pricing
DependsBrevo
Brevo researched starting price from $9/mo; a free plan is researched; Customer.io researched starting price from $100/mo. Contact-based packaging can change the real TCO.
Customer.io
Brevo researched starting price from $9/mo; a free plan is researched; Customer.io researched starting price from $100/mo. Contact-based packaging can change the real TCO.
Automation
Customer.io winsBrevo
Trails Customer.io on this criterion
Customer.io
Customer.io leads on automation (8/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Segmentation
Customer.io winsBrevo
Trails Customer.io on this criterion
Customer.io
Customer.io leads on segmentation (7/10 vs 8/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Analytics
TieBrevo
Brevo and Customer.io are close on analytics (7/10 vs 7/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Customer.io
Brevo and Customer.io are close on analytics (7/10 vs 7/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Templates
TieBrevo
Brevo and Customer.io are close on templates (7/10 vs 7/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Customer.io
Brevo and Customer.io are close on templates (7/10 vs 7/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
Which should you choose?
Choose Brevo if
- SMBs wanting send-based email pricing with a generous free plan
- EU/SMB buyers comparing multi-channel email + SMS/chat stacks
- Teams with large contact databases but moderate monthly send volume
Choose Customer.io if
- Product-led teams sending event-driven multi-channel messages
- SaaS/apps needing behavioral onboarding and lifecycle messaging
- Teams comparing Braze-class engagement with a mid-market entry
Related comparisons
Alternatives to consider
MailerLite
Simple email marketing for SMBs and creators with a free tier and approachable Comfort/Power subscriber plans.
GetResponse
AI email, automation, landing pages & funnels with a forever-free tier and paid contact-based plans.
Mailchimp
Email marketing with CRM features; freemium entry (secondary category: marketing).
Klaviyo
Ecommerce email + SMS platform with Shopify-native flows, revenue attribution, and active-profile billing.
How we compare
A short look at the comparison process. Full methodology
1
Collect
Collect official product information, pricing, and product evidence.
2
Normalize
Map evidence to the same category evaluation criteria for both products.
3
Compare
Evaluate both products against identical criteria — ties and depends are allowed.
4
Explain
Show why each product wins, loses, or ties, with evidence behind the outcome.
Still deciding between Brevo and Customer.io?
Use Best email marketing software for a shortlist matched to your priorities, or build another side-by-side comparison.
- Independent criterion outcomes
- No invented scores or prices
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