Customer.io vs Mailchimp
What each one’s own pages state, side by side. Every value is a quote AirStack found on that product’s pages; “Not observed” means AirStack has not found it on that product’s pages.
| Customer.io | Mailchimp | |
|---|---|---|
| What it says it does | Customer.io: Customer Engagement Platform For Better Outcomes customer.io | Email & SMS Marketing Platform | Mailchimp mailchimp.com |
| Starting at | $ 100 Essentials / month | free plan listed |
| Integrations | Amazon S3, Amplitude, Branch, Salesforce, Facebook Lead Ads, Google Ads, Mixpanel, Snowflake, Twilio, Typeform, Segment, Hubspot customer.io | Canva, Facebook, LinkedIn, Salesforce, Shopify, Square, Squarespace, Stripe, Wix, WooCommerce, Wordpress, Zapier mailchimp.com |
| Compliance | CCPA, GDPR, HIPAA, ISO 27001, SOC 2 customer.io | GDPR, ISO 27001, SOC 2 mailchimp.com |
| Free plan | Not observed | Yes mailchimp.com |
| Plans | Enterprise, Guided, Launch, Plus, Essentials, Premium customer.io | Standard, Premium, Essentials, Free, Pay As You Go mailchimp.com |
| Customers (their claim) | The customer engagement platform trusted by 11,000+ brands customer.io | Not observed |
Where they differ
- Mailchimp’s pages state a free plan; AirStack has not found that on Customer.io’s pages.
- Customer.io claims HIPAA on its own pages; Mailchimp’s pages read by AirStack do not mention it.
Prices are list prices as written on each pricing page; check them before you buy. Nothing here is a ranking or a recommendation.