Brevo vs Customer.io
Compare Brevo and Customer.io on features, pricing, and buyer fit using the same researched criteria.

Brevo
Multi-channel email marketing with send-based pricing, a generous free plan, and CRM-lite tools — formerly Sendinblue.
Best for
- • SMBs wanting send-based email pricing with a generous free plan
- • EU/SMB buyers comparing multi-channel email + SMS/chat stacks
- • Teams with large contact databases but moderate monthly send volume
Starting from $9.00/user/mo
Free plan available
VS
Our verdict
There is no universal winner between Brevo and Customer.io. Choose Brevo when SMBs wanting send-based email pricing with a generous free plan. Choose Customer.io when Product-led teams sending event-driven multi-channel messages. Criterion scores come from approved SoftwareGlimpse editorial assessments and first-party research — not hands-on lab testing.
Brevo is better for
- ✓ Landing pages
Customer.io is better for
- ✓ Automation
- ✓ Segmentation
- ✓ Integrations
Tie
- • Templates
- • Analytics
- • AI features
Choose Brevo if: SMBs wanting send-based email pricing with a generous free plan
Choose Customer.io if: Product-led teams sending event-driven multi-channel messages

Customer.io
Product-led event-driven messaging across email, push, SMS, and in-app — MAP-adjacent to classic ESPs.
Best for
- • Product-led teams sending event-driven multi-channel messages
- • SaaS/apps needing behavioral onboarding and lifecycle messaging
- • Teams comparing Braze-class engagement with a mid-market entry
Starting from $100.00/user/mo
No free plan
Brevo vs Customer.io pricing
Brevo researched starting price from $9/mo; a free plan is researched. Customer.io researched starting price from $100/mo. Affiliate economics excluded.
Brevo
From $9.00/user/mo
Customer.io
From $100.00/user/mo
Brevo
Starting from $9.00/user/mo
No free trial evidenced
- Free$0.00/user/mo
- Forever free: 300 emails/day; up to 100,000 contacts stored (research).
- max email sends daily: 300
- max contacts stored: 100000
- Starter$9.00/mo
- From $9/mo monthly (~$8 annual) — email-volume billing from 5,000 emails/mo; not contact-based.
- included emails monthly entry: 5000
- StandardPopular$18.00/mo
- From $18/mo — automation, A/B testing, landing pages (research). Confirm live volume bands.
- included emails monthly entry: 5000
- Professional$499.00/mo
- From $499/mo Professional tier (research). Confirm included volume and features live.
- EnterpriseCustom
- Enterprise custom quote.
Customer.io
Starting from $100.00/user/mo
Free trial available
- EssentialsPopular$100.00/mo
- From $100/mo — 5,000 profiles / 1M emails/mo (research).
- included profiles entry: 5000
- included emails monthly: 1000000
- Premium$1,000.00/mo
- From $1,000/mo — elevated limits and premium integrations (research).
- EnterpriseCustom
- Custom infrastructure, compliance, and support.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Brevo
$135.00/mo
Customer.io
$1,500.00/mo
+$1,365.00/mo — Customer.io costs more
Verified monthly unit prices · Aug 17, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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