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Email Marketing

Customer.io vs Mailchimp: Pricing Comparison 2026

Side-by-side pricing comparison of Customer.io and Mailchimp. See all plans, features, and costs at a glance.

Bottom line: Customer.io starts at $100/mo and Mailchimp starts at Custom pricing. Compare all 4 pricing tiers side by side.

Last updated: July 6, 2026

Data compiled by Arthur Jacquemin
Updated July 6, 2026
Try Customer.io freeTry Mailchimp freePrice updated 11d agoPrice updated 14d ago
Best Value

Customer.io - Customer.io offers 3 tiers vs 1.

Customer.io vs Mailchimp: Quick Pricing Facts

FeatureCustomer.ioMailchimp
Starting Price$100/moCustom pricing
Number of Plans31
Free TierNoNo
Pricing Modelusage-basedusage-based
Annual DiscountN/AN/A

Customer.io and Mailchimp are both priced at $100/mo, making them equally accessible Email Marketing tools. Together they offer 4 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.

Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Email Marketing needs.

Pricing Plans
Customer.io
Customer.io
Try free
Mailchimp
Mailchimp
Try free
Tier 1
Essentials
$100/monthCheapest
Start with Essentials
Meilleure offre
Custom pricing
Start with Meilleure offre
Tier 2
Premium
$1000/monthCheapest
Start with Premium
-
Tier 3
Enterprise
Custom pricing
Start with Enterprise
-

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Customer.io

Automated messaging platform for targeted customer engagement

View all Customer.io plans

Mailchimp

Email marketing platform with automation and audience management

View all Mailchimp plans

What Reviewers Say

Frequently Asked Questions: Customer.io vs Mailchimp

How many pricing plans does Customer.io have vs Mailchimp?
Customer.io offers 3 pricing plans, while Mailchimp offers 1 plan. More plans typically means more flexibility to match your exact needs and budget.
Does Customer.io or Mailchimp offer custom enterprise pricing?
Yes, both Customer.io and Mailchimp offer custom enterprise pricing tiers with quote-based pricing. Contact each vendor for a tailored quote.
How do Customer.io and Mailchimp compare for Email Marketing?
Both Customer.io and Mailchimp are Email Marketing tools. Customer.io offers 3 plans starting at $100/mo, while Mailchimp offers 1 plan starting at Custom pricing. Review the feature breakdowns above to see which better fits your Email Marketing needs.
AI Recommendations

Sources

  1. Customer.io Official Pricing- Vendor pricing page
  2. Mailchimp Official Pricing- Vendor pricing page

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