customer.io

Customer.io

Multi-channel lifecycle automation. Developer-friendly tool with deep behavioral targeting.

Nearby in the tree

AI-driven email and CRM workflows. Strong on complex lifecycle automation for SMB.

All-in-one email, SMS, and CRM. European-focused alternative to Mailchimp and HubSpot.

No-code AI agent builder. Visual workflow tool for chaining AI models into business automations.

Ecommerce email and SMS automation. The default for Shopify-scale brands needing behavioral campaigns.

Email marketing and automation. The most recognizable name in email, with full marketing platform features.

Ecommerce multi-channel automation. Klaviyo's main competitor at lower price points.

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