Customer.io vs Brevo
Both sit in email marketing. Here is how they differ on the things you can actually check.
On price: Brevo starts $89.20 a month cheaper than Customer.io ($10.80 against $100, 89% less) on its Starter tier. Both figures were read from the vendors' own pricing pages on the dates shown below.
Customer.io
customer.io
Triggers messages from product events rather than lists — email, push, in-app and SMS driven by what a user actually did. Data-warehouse-friendly.
Brevo
brevo.com
Formerly Sendinblue. Combines marketing email, transactional sending, SMS, live chat and a light CRM. Pricing is send-volume based rather than contact based.
| Customer.io | Brevo | |
|---|---|---|
| Entry price | $100/mo | $10.80/mo |
| Entry plan | Essentials | Starter |
| Paid annually | — | — |
| Price checked | 21 Sept 2026 | 25 Aug 2026 |
| Pricing model | Free trial | Free plan |
| Free plan | No | Yes |
| Category | Email Marketing | Email Marketing |
| Around since | 2012 | 2012 |
Every price here was read from the vendor's own pricing page, most recently on 21 Sept 2026. Entry tier only — vendors change pricing without notice.
Customer.io vs Brevo, answered
- Is Customer.io cheaper than Brevo?
- No — Brevo is the cheaper entry point, at $10.80 a month against Customer.io's $100, 89% less.
- Do Customer.io or Brevo have a free plan?
- Brevo publishes an ongoing free plan; Customer.io does not.
- What is the difference between Customer.io and Brevo?
- Customer.io: Triggers messages from product events rather than lists — email, push, in-app and SMS driven by what a user actually did. Data-warehouse-friendly. Brevo: Formerly Sendinblue. Combines marketing email, transactional sending, SMS, live chat and a light CRM. Pricing is send-volume based rather than contact based.
