The verdict
On the data we hold, Customer.io comes out ahead. Here is why, point by point.
Side by side
| 7 points compared | ||
|---|---|---|
| Starts at | $100/mo | |
| Free plan | No | No |
| API | Yes | Yes |
| MCP server | Yes | Yes |
| In-app guides and messages | Yes | Yes |
| NPS and CSAT surveys | Yes | Yes |
| Usage-triggered messages | Yes | Yes |
| Links |
Plans and pricing
ChurnZero
Pricing not in our catalogue yet.
Customer.io
- Essentials$100/mo
- Premium$12,000/yr
Who each is for
Choose ChurnZero if…
Customer success teams at SaaS and subscription companies who need to spot churn risk early and run retention work from one health view.
Choose Customer.io if…
Product and lifecycle teams at SaaS and consumer apps that want behaviour-triggered messages across email, SMS, push and in-app, and have an engineer or data-minded marketer to wire up events.
Other options worth a look
Brings customer data, usage and health scores together so B2B teams can onboard, retain and grow accounts.
Consolidates customer data, health scoring and team workflows in one workspace for customer success.
Track product usage and account health to flag churn risk and automate customer retention workflows.
Centralises customer data from CRM, billing and support tools to reveal churn risk and growth opportunities.
Manages recurring billing and payment recovery across multiple currencies and gateways for subscription businesses.