Which is cheaper, Brevo or Customer.io?

Brevo is 11.1x cheaper than Customer.io. Brevo starts at $0/mo, Customer.io starts at $100/mo.

Does Brevo have a free tier?

Yes, Brevo offers a free tier with emailsPerDay: 300, contacts: 100000.

Brevo has significant switching cost. Customer.io has significant switching cost. Both have similar switching complexity.

Brevo

← More affordable

All-in-one marketing platform with email, SMS, CRM, and marketing automation

Switching Cost: significant

Customer.io

Automated messaging platform for targeted emails, push notifications, SMS, and in-app messages based on user behavior

Switching Cost: significant

You're paying a premium for Customer.io — expect around a 11.1x higher bill compared to Brevo.

The free tier advantage goes to Brevo, which offers a no-cost entry point that Customer.io lacks.

If budget is your primary constraint, Brevo is the clear winner with its more wallet-friendly pricing structure.

If budget is your primary constraint, Brevo is the clear winner with its more wallet-friendly pricing structure.

Price Difference

11.1x

Brevo is cheaper by $91/mo

Free Tier

Brevo

Has a free tier option