Customer.io
vs
MailerLite

Customer.io vs MailerLite: 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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MailerLite

Email marketing and automation for creators and businesses

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Customer.io vs MailerLite: Feature Comparison

Feature
C Customer.io logo
Customer.io
M MailerLite logo
MailerLite
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 MailerLite

MailerLite is an email marketing platform known for its clean design, intuitive drag-and-drop editor, and generous free plan (up to 1,000 subscribers and 12,000 emails/month). It offers email automation, landing pages, pop-ups, and a website builder — making it one of the best Mailchimp alternatives for small businesses and content creators.

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