Brevo vs Customer.io: Which Should You Choose in 2026?
Choosing between Brevo and Customer.io comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Brevo
All-in-one marketing platform for email, SMS, and customer engagement
Best for you if:
- 0
- • You want to try before committing
- • You need email marketing features specifically
- • Formerly Sendinblue, now Brevo
- • 300 free emails/day forever
Customer.io
Automated messaging based on user behavior
Best for you if:
- 0
- • You need marketing automation features specifically
- • Customer.io is a marketing automation platform for sending targeted emails and push notifications
- • It triggers messages based on user behavior with powerful segmentation and workflow builders
| At a Glance |  Brevo |  Customer.io |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Email Marketing | Marketing Automation |
Rating | - | - |
| Feature | Brevo | Customer.io |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Email MarketingMarketing Automation | Marketing AutomationEmail |
How Brevo and Customer.io Compare
Brevo
All-in-one marketing platform for email, SMS, and customer engagement
Free tier available
Customer.io
Automated messaging based on user behavior
Paid
Brevo is a email marketing tool. Customer.io is in marketing automation.
Who Should Use What?
On a budget?
Brevo has a free tier. Customer.io is paid only.
Go with: Brevo
Want the highest-rated option?
Neither has user reviews yet.
Go with: Brevo
Value user reviews?
Neither has user reviews yet.
Go with: Brevo
3 Questions to Help You Decide
What's your budget?
Brevo is freemium. Customer.io is paid. Brevo lets you start free.
What's your use case?
Brevo is a email marketing tool. Customer.io is in marketing automation. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Brevo
- 0
- Free tier available
- Our pick for this comparison
Customer.io
- Better fit for marketing automation
The Bottom Line
Brevo is our pick.
Frequently Asked Questions
Is Brevo or Customer.io better?
Brevo is rated in our evaluation. Brevo is freemium and Customer.io is paid.
What are Brevo and Customer.io used for?
Brevo: All-in-one marketing platform for email, SMS, and customer engagement. Customer.io: Automated messaging based on user behavior.
What does Brevo cost vs Customer.io?
Brevo is freemium (free tier + paid plans). Customer.io is a paid tool. Visit their websites for detailed pricing.