Brevo vs Customer.io: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Brevo and Customer.io side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Brevo leads on lower entry price and a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Brevo
All-in-one marketing platform for email, SMS, and customer engagement
Best for you if:
- • You want a free tier before you commit
Customer.io
Automated messaging based on user behavior
Best for you if:
- • You want powerful messaging platform
| At a Glance | Brevo | Customer.io |
|---|---|---|
Starts at | Free plan, paid from $9/mo, billed monthly Starter plan | From $100/mo, billed monthly Essentials plan |
Category | Marketing Automation Email Marketing | Marketing Automation SMS Marketing |
Rating | 4.6/5 Capterra 4.6 · G2 4.5 6,219 reviews | 4.5/5 G2 4.4 · Capterra 4.7 988 reviews |
Free plan | Yes | No |
Watch out for | Removing branding is an add-on | Overage fees for profiles/emails beyond tier limits |
Choose Brevo or Customer.io?
Choose Brevo if
- You want a free tier before you commit
- You want very generous free tier (300 emails/day)
- You want affordable paid plans
- Budget matters ($9/mo, billed monthly vs $100/mo, billed monthly)
Choose Customer.io if
- You want powerful messaging platform
- You want multi-channel
In-Depth Analysis
Brevo
All-in-one marketing platform for email, SMS, and customer engagement
Brevo's pricing is quite competitive, especially at the entry level.
Watch out
Removing branding is an add-on
Strengths
- Pro: Very generous free tier (300 emails/day)
- Pro: Affordable paid plans
- Pro: All-in-one platform
- Pro: Good deliverability
- Pro: GDPR compliant (EU-based)
Weaknesses
- Con: Interface can be clunky
- Con: Limited templates
- Con: Brevo branding on free tier
- Con: Learning curve for automation
Key features
Customer.io
Automated messaging based on user behavior
Customer.io's pricing is on the expensive side, especially for smaller businesses, with the Essentials tier starting at $100/month.
Watch out
Overage fees for profiles/emails beyond tier limits
Strengths
- Pro: Powerful messaging platform
- Pro: Multi-channel
- Pro: Developer friendly
- Pro: Good segmentation
- Pro: Real-time data
Weaknesses
- Con: Expensive
- Con: Complex for simple needs
- Con: Learning curve
- Con: UI can be confusing
- Con: Requires technical knowledge
Key features
Plans and prices: Brevo vs Customer.io
| Tool | Plans and prices | Source |
|---|---|---|
| Brevo |
| brevo.com/pricing read Oct 5, 2026 |
| Customer.io |
| customer.io/pricing read Oct 31, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Brevo pricing and Customer.io pricing.
Key Takeaways
Brevo
- Lower entry price: $9/mo, billed monthly vs $100/mo, billed monthly
- Has a free plan
Customer.io
- Choose if you want automated messaging based on user behavior
What the data shows
On the data below, Brevo leads on lower entry price and a free plan. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.6/5 from 6,219 reviews for Brevo, 4.5/5 from 988 reviews for Customer.io).
- Brevo has the lower entry price: $9/mo, billed monthly (Starter) against $100/mo, billed monthly (Essentials) for Customer.io.
- Only Brevo has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Brevo and Customer.io compare in 2026?
On the data below, Brevo leads on lower entry price and a free plan. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.6/5 from 6,219 reviews for Brevo, 4.5/5 from 988 reviews for Customer.io). Brevo has the lower entry price: $9/mo, billed monthly (Starter) against $100/mo, billed monthly (Essentials) for Customer.io. Only Brevo has a free plan.
What are Brevo and Customer.io used for?
Brevo: All-in-one marketing platform for email, SMS, and customer engagement. Customer.io: Automated messaging based on user behavior.
What does Brevo cost vs Customer.io?
Brevo's cheapest paid plan is Starter at $9/mo, billed monthly; it also has a free plan. Customer.io's cheapest paid plan is Essentials at $100/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 31, 2026.
What's the main difference between Brevo and Customer.io?
Brevo's main strength: very generous free tier (300 emails/day). Customer.io's main strength: powerful messaging platform.