AltCatalog

Alternatives to Customer.io

Customer engagement platform for cross-channel marketing automation and messaging

Alt Score

Alt Score · 59

How this alternative ranks. How it works →

Verified coverage 90%54
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

#8 of 9 in Marketing automation

Customer.io ranks #8 of 9 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.

Most compared with MauticListingbottKlaviyo
Official site Suggest an edit Data history Work on Customer.io? Claim this page
Who it's for

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.

What you get

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.

How it works

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.

Salesforce integration only 4 of 8 apps
SMS and mobile push only 4 of 8 apps

See the full checklist

Why people leave Customer.io

Dashed reasons are sourced facts; the rest are opinions. Vendors can dispute.

Sign in to add a reason — new reasons go through moderation before appearing.

Ranked alternatives

Ordered by Alt Score. Click any score to see the breakdown.

Sponsored Paid slot. Never affects the ranked order below. Promote here →
01

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.

GPL-3.0 Web
Alt Score

Alt Score · 89

How this alternative ranks. How it works →

Verified coverage 90%88
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

02
Listingbott Verified

ListingBott prepares and submits a curated set of online directory listings for a business or product, with an approval step, paced publishing, and a final status report.

Alt Score

Alt Score · 85

How this alternative ranks. How it works →

Verified coverage 90%83
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

03

Klaviyo is a B2C customer relationship management platform that combines email, SMS, and mobile push marketing with a shared customer data layer.

Proprietary Web
Alt Score

Alt Score · 78

How this alternative ranks. How it works →

Verified coverage 90%75
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

04

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.

Proprietary Web
Alt Score

Alt Score · 74

How this alternative ranks. How it works →

Verified coverage 90%71
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

05

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.

Proprietary WebiOSAndroid
Alt Score

Alt Score · 70

How this alternative ranks. How it works →

Verified coverage 90%67
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

06

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.

Proprietary Web
Alt Score

Alt Score · 70

How this alternative ranks. How it works →

Verified coverage 90%67
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

07

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.

Proprietary WebiOSAndroid
Alt Score

Alt Score · 70

How this alternative ranks. How it works →

Verified coverage 90%67
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

08

Iterable is an enterprise customer engagement platform for orchestrating cross-channel marketing campaigns across email, SMS, mobile push, in-app, and web.

Proprietary
Alt Score

Alt Score · 51

How this alternative ranks. How it works →

Verified coverage 90%46
Visibility 10%100

Verified coverage = sourced yes and partial answers in the category checklist. Visibility = relative app-page views on AltCatalog over 30 days, neutral below 500 category views. Payment, votes, and vendor opinions are never score inputs.

Feature comparison

How Customer.io compares with its alternatives, feature by feature.

Comparing Customer.io Mautic × Listingbott × Klaviyo × Adobe Marketo Engage × ActiveCampaign ×
+ Add app
Braze Iterable Keap
Marketing automation checklist Customer.ioMauticListingbottKlaviyoAdobe Marketo EngageActiveCampaign
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
verified pending unknown (?) Click any cell to view its source or propose a value
Sources & verification 13

Every fact and feature listed for Customer.io is verified against its own pages. Each alternative is sourced on its own page.

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.