Brevo vs Customer.io
Brevo and Customer.io are both email marketing tools. Brevo is aimed at small businesses, while Customer.io is aimed at small businesses and enterprise. Brevo costs less, from $9/mo versus $100/mo for Customer.io. Only Brevo has a free plan.
Email, SMS and CRM priced by emails sent
Behavior-triggered messaging across channels
| Pricing | Freemium · $9 | Paid · $100 |
| Starting price | $9/mo | $100/mo |
| Free plan | Yes | No |
| Free trial | — | 14 days |
| Built for | Small businesses | Small businesses, Enterprise |
| Platforms | web, ios, android | web |
| Country | FR · 2012 | US · 2012 |
| Rating | — | — |
Choose Brevo if
SMBs and e-commerce stores with large lists who send a few campaigns a month and need transactional email too.
- Volume-based pricing, unlimited contacts
- Transactional and marketing email in one account
- GDPR-friendly, EU-based
Look elsewhere if: Creators (Kit, beehiiv) or advanced e-commerce segmentation (Klaviyo).
Choose Customer.io if
Product-led SaaS and apps with event data who need multichannel lifecycle automation.
- Deep, flexible automation
- Developer-friendly data model and APIs
- Multichannel in one platform
Look elsewhere if: Newsletters and small lists (MailerLite, Kit) or enterprises wanting Braze-scale services.
Brevo vs Customer.io pricing
Brevo
- Free$0300 emails/day
- Starter$9/moFrom 5,000 emails/mo; 10% off yearly; no Brevo logo
- Standard$18/moAutomation, A/B tests, send-time optimization
- Professional$499/moFrom 150,000 emails/mo; 10 seats, WhatsApp, push
- EnterpriseCustomDedicated IP, SSO, multi-account
Customer.io
- Essentials$100/mo5,000 profiles, 1M emails/mo, $0.009 per extra profile
- Premiumfrom $1,000/moBilled yearly; custom volume, premium support, HIPAA add-on
- EnterpriseCustomAudit logs, priority support, dedicated CSM add-on
Brevo · Key features
- Email campaigns with drag-and-drop editor and templates
- Marketing automation workflows and lead scoring
- Transactional email and SMS APIs
- SMS, WhatsApp and push campaigns
- Sales CRM, meetings and live chat
- Landing pages, forms and Facebook Ads integration
Cons
- Daily send cap on free plan
- Templates and editor less polished than Mailchimp
- Deliverability on shared IPs varies
Customer.io · Key features
- Visual workflows with branches, delays, A/B and webhooks
- Real-time segments from events and attributes
- Email, push, in-app, SMS and Slack/webhook channels
- Data Pipelines (CDP) and warehouse sync
- Transactional API with templates
- Journeys analytics and deliverability tooling
Cons
- Entry price is high for tiny products
- Email editor less design-oriented
- Learning curve for complex journeys
Brevo vs Customer.io: FAQ
Which is cheaper, Brevo or Customer.io?
Brevo starts at $9/mo and Customer.io at $100/mo. Both prices are checked on the vendors' own pricing pages.
Do Brevo and Customer.io have a free plan?
Brevo has a free plan. Customer.io has no free plan, a 14-day free trial.