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Head-to-head

Cloudy.Email vs Customer.io

Two leading email marketing tools, compared on pricing, features, and editorial fit. Updated for 2026.

Cloudy.Email logo
Cloudy.Email

Low-cost bulk email and newsletter software with unlimited contacts

From $4.99/mo
Visit Cloudy.Email
Customer.io logo
Customer.io

Messaging that actually fits your data.

From $100/mo
Visit Customer.io

At a glance

 Cloudy.EmailCustomer.io
TaglineLow-cost bulk email and newsletter software with unlimited contactsMessaging that actually fits your data.
Pricing modelPaidPaid
Starts at$4.99/mo$100/mo
Founded—2012
AI-native
CategoriesEmail MarketingEmail Marketing, Automation
Vendor claimed

Quick take

Pick Cloudy.Email if you need low-cost bulk email and newsletter software with unlimited contacts. Pick Customer.io if you need messaging that actually fits your data.

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Customer.io alternatives →

Frequently asked

Is Cloudy.Email better than Customer.io?
It depends on your use case. Cloudy.Email is low-cost bulk email and newsletter software with unlimited contacts, while Customer.io is messaging that actually fits your data. See the comparison above for which fits your team.
What's the price difference between Cloudy.Email and Customer.io?
Cloudy.Email starts at $4.99/mo. Customer.io starts at $100/mo.
Can I migrate from Cloudy.Email to Customer.io?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.