Customer.io
vs
Mailjet

Customer.io vs Mailjet: Full Comparison 2025

Which is right for your team? Compare pricing, features, and more.

Customer.io

Behavioral messaging automation for product teams

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Mailjet

Email marketing and transactional email platform

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Customer.io vs Mailjet: Feature Comparison

Feature
C Customer.io logo
Customer.io
M Mailjet logo
Mailjet
Pricing From $100/mo Freemium
Founded 2012 2010

About Customer.io

Customer.io is a marketing automation platform that enables product and growth teams to send highly targeted emails, push notifications, and SMS based on real-time user behavior. Its visual workflow builder and rich segmentation engine make it ideal for SaaS companies building lifecycle and onboarding campaigns.

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About Mailjet

Mailjet is a cloud-based email marketing and transactional email platform used by over 40,000 companies. It provides a collaborative email editor, advanced segmentation, real-time analytics, and a powerful SMTP relay for transactional emails — making it a popular choice for teams that need both marketing campaigns and developer-grade email API access.

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