Brevo vs Customer.io: Which Marketing Automation Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction — side by side, with no marketing spin.
The Short Answer
Brevo vs Customer.io, in 15 seconds
Choose Brevo if…
- You want the lower entry price
- You need a genuinely free plan
- You want deeper AI and automation features
Choose Customer.io if…
- You prefer Customer.io's approach and ecosystem
Head-to-Head Scorecard
How Brevo and Customer.io score
Brevo leads on 4 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
BrevoNo reviewsCustomer.ioNo reviews - Even
Review Volume
Number of verified reviews — a proxy for adoption
Brevo0Customer.io0 - Brevo
Entry Pricing
Lowest published starting price (free plan = lowest)
Brevo$9/moCustomer.io$100/mo - Brevo
Free Access
Availability of a free plan and/or free trial
BrevoFree plan + trialCustomer.ioFree trial - Even
Integrations
Number of listed third-party integrations
Brevo8Customer.io8 - Even
Features
Number of listed product capabilities
Brevo11Customer.io11 - Brevo
AI Features
Capabilities mentioning AI, automation or ML
Brevo1Customer.io— - Even
Security & Compliance
Number of listed compliance certifications
Brevo3Customer.io3 - Brevo
Platforms & Deployment
Supported platforms and deployment options
Brevo4Customer.io2
Feature Comparison
Brevo vs Customer.io feature breakdown
Search or filter the full feature matrix — core features, AI, integrations, APIs, security and compliance.
Brevo
Customer.ioPricing Comparison
Brevo vs Customer.io pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Brevo
$9/mo to start- 300 emails/day
- Unlimited contacts
- Email templates
- SMS & WhatsApp (pay-as-you-go)
- From 5,000 emails/month
- No daily sending limit
- Basic automation
- No Brevo logo (add-on)
- Marketing automation
- A/B testing
- Advanced statistics
- Predictive sending
- Custom email volume
- Advanced security & SSO
- Sub-account management
- Dedicated support
Customer.io
$100/mo to start- Up to 5,000 profiles
- Email, push & SMS
- Visual workflows
- Segmentation & automation
- Up to 10,000 profiles
- A/B testing
- Advanced segmentation
- Webhooks
- Custom profile volume
- Dedicated support & SLA
- Custom integrations
- Advanced security
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Brevo vs Customer.io: strengths and trade-offs
Brevo
Pros
- Free plan available
- Free trial offered
- Lower starting price ($9/mo)
- Compliance: SOC 2 Type II, ISO 27001, GDPR
- Stronger AI / automation features
- Public API available
Cons
Customer.io
Pros
- Free trial offered
- Compliance: SOC 2 Type II, GDPR, HIPAA
- Public API available
Cons
- No free plan
- Higher starting price ($100/mo)
Buyer Fit
Who should use Brevo vs Customer.io?
Startups
Brevo
Brevo keeps early-stage costs lowest with its entry tier.
Small businesses
Brevo
Brevo offers the most accessible pricing for lean teams.
Agencies
Either
Either connects to more tools for multi-client workflows.
Enterprises
Either
Either leads on compliance and breadth for complex needs.
Ecommerce
Brevo
Brevo integrates with more of the commerce stack.
SaaS companies
Brevo
Brevo is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (2)
Only in Brevo (6)
Only in Customer.io (6)
Keep Exploring
Other alternatives worth considering
Similar marketing automation products buyers compare alongside Brevo and Customer.io.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Brevo and Customer.io against your team size, budget, integrations and compliance needs — then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationBrevo vs Customer.io — Frequently Asked Questions
What is the difference between Brevo and Customer.io?
Brevo and Customer.io are both Marketing Automation solutions. Brevo is rated 0.0/5 by 0 users, while Customer.io is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Brevo or Customer.io?
Based on user ratings, Brevo scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Brevo or Customer.io?
Brevo is the more affordable option, starting at $9/month.
Does Brevo or Customer.io have a free plan?
Brevo offers a free plan. Customer.io does not have a free tier but does offer a free trial.
Can I switch from Brevo to Customer.io?
Switching between Brevo and Customer.io is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Brevo vs Customer.io?
Brevo is best suited for teams that prioritise enterprise features. Customer.io works well for teams needing advanced capabilities.
Our Verdict
The bottom line on Brevo vs Customer.io
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Brevo
Brevo has the friendliest entry point for new teams.
Best for Enterprise
Either
It's a tie leads on compliance and feature breadth.
Best Value
Brevo
Brevo delivers the lowest cost to get started.
Best AI Features
Brevo
Brevo ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.