Alternatives to Customer.io
Customer engagement platform for cross-channel marketing automation and messaging
Customer.io ranks #7 of 8 in Marketing automation, with an Alt Score of 59. It is proprietary and sold by subscription from $100/mo. 10 of 12 checklist rows are verified against a public source.
Customer.io is a customer engagement platform, founded in 2012, for building automated, behavior-triggered messaging campaigns across email, SMS, push, in-app, and WhatsApp. It includes a visual drag-and-drop workflow builder, a customer data pipeline (CDP) with reverse ETL, a Design Studio content editor, and an AI Agent. Plans are subscription-priced, starting at $100/month for the Essentials tier.
Product-led growth, marketing, lifecycle, and engineering teams that need event-driven, cross-channel customer messaging at scale, across industries including SaaS, fintech, and healthcare.
A visual drag-and-drop workflow builder for email, SMS, push, in-app, WhatsApp, and webhook campaigns, plus data pipelines (CDP) with reverse ETL, a Design Studio content editor, an AI Agent, and analytics dashboards.
Campaigns are triggered by behavioral events, segments, dates, relationships, or webhooks, then branch through a visual workflow builder with A/B testing, time delays, and last-touch goal attribution across channels.
Where Customer.io stands out
Verified capabilities most alternatives don't have.
Why people leave Customer.io
Dashed reasons are sourced facts; the rest are opinions. Vendors can dispute.
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Ranked alternatives
Ordered by Alt Score. Click any score to see the breakdown.
Mautic is an open source marketing automation platform providing email marketing, a drag-and-drop campaign builder, landing pages, forms, and lead scoring, licensed under the GPL v3.
Klaviyo is a B2C customer relationship management platform that combines email, SMS, and mobile push marketing with a shared customer data layer.
Adobe Marketo Engage is a platform for managing B2B and B2C marketing leads through all stages of the buying journey, supporting both demand-generation and account-based marketing.
ActiveCampaign is a cloud-based marketing automation platform offering email campaigns, a visual automation builder, a built-in sales CRM, and add-on channels such as SMS and WhatsApp.
Braze is a cross-channel customer engagement platform combining email, SMS/RCS, mobile push, in-app, and web messaging with a no-code journey builder and AI-powered personalization and decisioning.
Keap (formerly Infusionsoft) is a cloud-based CRM and marketing automation platform for small businesses, combining contact management, lead scoring, email and SMS marketing, landing pages/forms, and.
Feature comparison
Rows come from the Marketing automation checklist (16 rows). Human-verified cells only. ? means the value has not been verified.
| Marketing automation checklist | Customer.io | Mautic | Klaviyo | Adobe Marketo Engage | ActiveCampaign | Braze |
|---|---|---|---|---|---|---|
| Pricing model | ||||||
| Starts at | ||||||
| License | ||||||
| Platforms | ||||||
| Visual journey builder | ||||||
| Email campaigns | ||||||
| SMS and mobile push | ||||||
| Lead scoring | ||||||
| Landing page builder | ||||||
| Form builder | ||||||
| Built-in CRM | ||||||
| A/B testing | ||||||
| Behavioral event triggers | ||||||
| Salesforce integration | ||||||
| Self-hostable | ||||||
| Free tier |
Every fact and feature listed for Customer.io is verified against its own pages. Each alternative is sourced on its own page.
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License Proprietary verified 2026-08-03https://customer.io/legal/terms-of-service/
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Pricing model Subscription verified 2026-08-03https://customer.io/pricing
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Starts at $100/mo verified 2026-08-03https://customer.io/pricing
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Visual journey builder Yes verified 2026-08-03https://customer.io/features/visual-workflow-builder
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Email campaigns Yes verified 2026-08-03https://customer.io/features/email-marketing
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SMS and mobile push Yes verified 2026-08-03https://customer.io/features/sms-marketing
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Form builder Partial verified 2026-08-03https://docs.customer.io/messaging/channels/in-app/forms/overview/
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Built-in CRM No verified 2026-08-03https://customer.io/llms.txt
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A/B testing Yes verified 2026-08-03https://customer.io/features/visual-workflow-builder
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Behavioral event triggers Yes verified 2026-08-03https://customer.io/features/visual-workflow-builder
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Salesforce integration Yes verified 2026-08-03https://customer.io/integrations
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Self-hostable No verified 2026-08-03https://customer.io/security/
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Free tier No verified 2026-08-03https://customer.io/pricing
FAQ
Yes. Klaviyo has a free tier or is fully free. Free-tier limits in the comparison table are verified and dated.
Mautic — every license claim links its source.