MailerLite vs Customer.io Pricing (2026)

MailerLite vs Customer.io

Marketing Automation pricing comparison · 2026

MailerLite pricing ranges from $0–$18/month, while Customer.io ranges from $0–$1000/month. MailerLite is typically 98% more affordable, though your actual cost depends on tier and team size.

Marketing Automation

MailerLite

$0–$18
/month
3 plans · Free tier
Full pricing breakdown →
VS
Marketing Automation

Customer.io

$0–$1000
/month
4 plans · Free tier
Full pricing breakdown →

MailerLite and Customer.io both operate in the marketing automation category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan MailerLite Customer.io
Free Free /month Free /month
Growing Business $10 /month (1,000 subscribers) $100 /month
Advanced $18 /month (1,000 subscribers) $1K /month
Enterprise Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

MailerLite

2 scenarios
$21/month ($252/year)
Creator (2,500 Subscribers)
on Growing Business
$90/month ($1,080/year)
Small Business (10,000 Subscribers)
on Advanced

Customer.io

2 scenarios
$145/month
Growing SaaS (10,000 Profiles)
Essentials base $100/month + $45 for 5,000 additional profiles at $0.009 each
$1,000
E-commerce App (50,000 Profiles)
+/month - Premium tier with custom volume for 50,000 profiles across multiple object types, plus SMS costs

Market Intelligence

MailerLite

Median annual cost
$534
Based on
72 deals

Customer.io

Median annual cost
$6,500
Based on
14 deals