Skip to content

Customer.io vs MailerLite

Both are Email Marketing tools. Below, the differences that matter: verified pricing, editorial scores and who each one is really for.

Customer.io: Send automated emails, push notifications, and SMS based on user behavior—no engineering help required. Pricing: from from $100/mo. (data verified June 2026)

MailerLite: MailerLite is an affordable email marketing platform with drag-and-drop editor, automations, landing pages, and digital product sales, starting at Free. Pricing: from Free · from $9/mo. (data verified June 2026)

Transparency: if you buy through our links we may earn a commission, at no extra cost to you. Rankings cannot be bought. How we rate tools

At a glance

Customer.io MailerLite
Rating
Pricingfrom $100/moFree · from $9/mo
Pricing modelFreemiumFreemium
CategoryEmail Marketing
Visit website Visit website

Editorial scorecard

Editorial score from our review methodology — not user ratings.

Ease of use 7.5 8.5
Features depth 8.5 7.0
Value for money 7.0 9.0
Support quality 6.5 9.0
Integrations 7.5 6.5
Scalability 8.0 6.0
Documentation 7.0 7.5
Onboarding speed 6.5 8.0
Overall7.37.7

Frequently asked questions

What is Customer.io?

Send automated emails, push notifications, and SMS based on user behavior—no engineering help required.

What is MailerLite?

MailerLite is an affordable email marketing platform with drag-and-drop editor, automations, landing pages, and digital product sales, starting at Free.

How much do Customer.io and MailerLite cost?

Customer.io: from $100/mo. MailerLite: Free · from $9/mo.

More comparisons

Customer.io vs GetResponse Customer.io vs Moosend Customer.io vs SendPulse Customer.io vs ConvertKit MailerLite vs ConvertKit MailerLite vs Mailercloud