VS
Brevo vs Customer.io
Two transactional email providers, compared on price, features and ratings — so you can pick fast.
Updated June 2026
The verdict
Brevo and Customer.io take different pricing approaches. Brevo rates higher with developers (4.5 vs 4.4 on G2). Pick based on volume and team — the scorecard below breaks down where each one leads.
By the numbers
How do Brevo and Customer.io compare?
Leader highlighted · figures as of June 2026
G2 rating · out of 5
4.5
Brevo
4.4
Customer.io
Trustpilot · out of 5
4.3
Brevo
3.2
Customer.io
Drag-and-drop editor · visual builder
Yes
Brevo
Yes
Customer.io
Scorecard
Feature by feature, how do they stack up?
| Capability | | |
|---|---|---|
| Pricing | ||
| Starting paid plan | $9/mo | $100/mo |
| Cost per 1k @ 100k | $0.69 | — |
| Pricing model | Subscription | Subscription |
| Overage | Email volume is bucketed by plan tier; exceeding the bucket requires moving up a tier rather than per-email overage. Transactional add-on credits ~$0.0014/email referenced by third parties. | Profile-based pricing: additional profiles $0.009 each; additional emails $0.12 per 1,000 over the plan's bundled allowance; AI credits $10/100K. Email volume does not map to a per-email tier. |
| Deliverability | ||
| Dedicated IP | Add-on | Plan-gated |
| Deliverability tooling | Yes | Yes |
| Automated IP warmup | Yes | Yes |
| Suppression management | Yes | Yes |
| SPF / DKIM / DMARC | Yes | Yes |
| API & sending | ||
| Transactional API | Yes | Yes |
| Marketing campaigns | Yes | Yes |
| SMTP relay | Yes | No |
| Inbound routing | Yes | No |
| Dynamic templates | Yes | Yes |
| Batch send | Yes | Yes |
| Scheduled send | Yes | Yes |
| Developer experience | ||
| Official SDKs | PHP, Python, Node.js, Ruby, Go, Java, C# | Ruby, Python, Node.js, Go, PHP, JavaScript (Web), iOS, Android, React Native, Flutter, Expo |
| Event webhooks | Yes | Yes |
| Drag-and-drop editor | Yes | Yes |
| Custom HTML editor | Yes | Yes |
| Email validation | No | No |
| Analytics | ||
| Open / click tracking | Yes | Yes |
| Analytics dashboard | Yes | Yes |
| A/B testing | Yes | Yes |
| Compliance | ||
| EU data residency | Yes | Yes |
| SOC 2 | — | Yes |
| HIPAA | No | Yes |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| Support | ||
| Support channels | Email/ticket support all plans; chat and phone on higher (Business/Enterprise) plans | Community + email (Essentials); chat (Standard); dedicated CSM + technical specialist (Premium/Enterprise) |
| Support SLA | Plan-gated | Plan-gated |
| Migration assistance | — | Yes |
Decision helper
Which should you choose?
Pick Brevo
Pick Customer.io
FAQ
Common questions
Brevo rates higher on G2 (4.5 vs 4.4). Ratings are aggregated from public review platforms as of the date shown.
Keep comparing
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Why not both?
Use both behind one API.
Route Brevo, Customer.io, or both — and switch providers without changing your code. Courier sits in front of every channel.
Pricing, plans and feature availability as of June 2026 and may change. Ratings are aggregated from public review platforms.
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