Both are strong choices. The short answer: pick Customer.io if you are saaS and product teams with event data. Pick Marketo Engage if you are b2B enterprises with dedicated ops teams.
| Customer.io | Marketo Engage | |
|---|---|---|
| In one line | Behavior-triggered messaging across email, push, SMS and in-app. | Adobe's enterprise marketing automation heavyweight. |
| Pricing | From $100/mo | Custom pricing |
| Free tier | No | No |
| Best for | SaaS and product teams with event data | B2B enterprises with dedicated ops teams |
| Category | Marketing Automation | Marketing Automation |
| Website | customer.io | adobe.com/marketo |
Customer.io details Marketo Engage details