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 21 pricing tiers side by side.
Last updated: August 10, 2026
Mailchimp - Mailchimp offers a free plan, offers 18 tiers vs 3.
Customer.io vs Mailchimp: Quick Pricing Facts
| Feature | Customer.io | Mailchimp |
|---|---|---|
| Starting Price | $100/mo | Custom pricing |
| Number of Plans | 3 | 18 |
| Free Tier | No | Yes |
| Pricing Model | usage-based | usage-based |
| Annual Discount | N/A | N/A |
Customer.io and Mailchimp are both priced at $100/mo, making them equally accessible Email Marketing tools. Together they offer 21 pricing plans with 0 features compared, so the best choice comes down to which features match your needs.
Mailchimp stands out with a free plan for getting started.
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 Try free |  Mailchimp Try free |
|---|---|---|
| Tier 1 | Essentials $100/monthCheapest | Industries and Solutions Custom pricing |
| Tier 2 | Premium $1000/monthCheapest | Integrations Custom pricing |
| Tier 3 | Enterprise Custom pricing | Resources Custom pricing |
| Tier 4 | - | Account Custom pricing |
| Tier 5 | - | Terms Custom pricing |
| Tier 6 | - | Included in every paid plan Custom pricing |
| Tier 7 | - | Includes Standard's features: Custom pricing |
| Tier 8 | - | Premium adds: Custom pricing |
| Tier 9 | - | Standard adds: Custom pricing |
| Tier 10 | - | Included in the Free plan $0/monthCheapest |
| Tier 11 | - | How long is the free trial? $0/monthCheapest |
| Tier 12 | - | Related Links: Custom pricing |
| Tier 13 | - | Products Custom pricing |
| Tier 14 | - | Community Custom pricing |
| Tier 15 | - | Company Custom pricing |
| Tier 16 | - | Help Custom pricing |
| Tier 17 | - | Manage Consent Preferences Custom pricing |
| Tier 18 | - | Vendors List Custom pricing |
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Frequently Asked Questions: Customer.io vs Mailchimp
How many pricing plans does Customer.io have vs Mailchimp?
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Does Customer.io or Mailchimp offer custom enterprise pricing?
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Sources
- Customer.io Official Pricing- Vendor pricing page
- Mailchimp Official Pricing- Vendor pricing page
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