Brevo vs Customer.io: Side-by-Side Comparison (2025)

Choosing between Brevo and Customer.io comes down to your specific use case. Brevo is built for transactional email and multi-channel marketing, while Customer.io targets product and growth teams sending behaviour-triggered messages.

Quick Verdict

Overall winner
Brevo
Better pricing
Brevo
More features
Customer.io
For beginners
Brevo
E-commerce
Brevo

Feature Comparison

Feature Brevo Customer.io
๐Ÿ’ฐ Pricing
Free Planโœ“โœ—
Starting Price$25/mo$100/mo
Free Trialโœ—โœ“
โš™๏ธ Features
Email Automationโœ—โœ“
Visual Workflow Builderโœ—โœ“
Landing Pagesโœ—โœ—
Built-in CRMโœ“โœ—
SMS Marketingโœ“โœ“
A/B Testingโœ—โœ—
E-commerce Integrationโœ—โœ—
Transactional Emailโœ“โœ“
Remove Brandingโœ—โœ“
๐Ÿค– AI Features
AI Subject Linesโœ—โœ—
AI Send-Time Optimisationโœ—โœ—
๐Ÿ›Ž Support
Email Supportโœ—โœ“
Live Chatโœ“โœ“
Phone Supportโœ—โœ“
Brevo
โ˜…โ˜…โ˜…โ˜…โ˜† 4.5/5
Customer.io
โ˜…โ˜…โ˜…โ˜…โ˜† 4.4/5
Our verdict

Brevo is best for transactional email and multi-channel marketing.

Try Brevo Free โ†’
Our verdict

Customer.io is best for product and growth teams sending behavior-triggered messages.

Try Customer.io Free โ†’

Which Should You Choose?

Choose Brevo ifโ€ฆ

  • You are primarily focused on transactional email and multi-channel marketing
  • You value email campaigns
  • You prefer freemium pricing
Try Brevo โ†’

Choose Customer.io ifโ€ฆ

  • You are primarily focused on product and growth teams sending behaviour-triggered messages
  • You value behavioural triggers
  • You prefer paid pricing
Try Customer.io โ†’

Frequently Asked Questions

Is Brevo better than Customer.io?

It depends on your use case. Brevo wins for transactional email and multi-channel marketing, while Customer.io is stronger for product and growth teams sending behaviour-triggered messages.

Which is cheaper, Brevo or Customer.io?

Brevo starts at a lower price point. Pricing scales with subscriber count so total cost depends on your list size.

Can I switch from Customer.io to Brevo?

Yes, switching is possible. Most platforms support CSV import/export. Plan time to recreate automations and templates.