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Customer.io Logo

Transforms data into tailored customer journeys.

Last updated: March 2026

Customer.io Alternatives & Competitors (2026)

Top 10 free alternatives

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Pricing model


Devices supported


User rating


Organization types


Integrated with


Industry


Company size


Brevo logo

Automation, marketing & transactional email, and SMS service

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logo
Brevo
logo
Customer.io

0.2

4.5

Value for money

4.3
9
usage based/per month

Starting price

100
usage based/per month

0.2

4.5

Functionality

4.3

Autoresponders

4.8/5

Activity Dashboard

4.8/5

Alerts/Notifications

4.7/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Gmail logo

Free email and inbox management app, from Google

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logo
Gmail
logo
Customer.io

0.5

4.8

Value for money

4.3
Empty state illustration for "No pricing info"

No pricing info

Starting price

100
usage based/per month

0.4

4.7

Functionality

4.3

Email Marketing

4.7/5

Alerts/Notifications

4.6/5

Email Monitoring

4.6/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Mailchimp logo

Email and SMS marketing automation platform

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logo
Mailchimp
logo
Customer.io

0.1

4.4

Value for money

4.3
13
flat rate/per month

Starting price

100
usage based/per month

0.1

4.4

Functionality

4.3

Alerts/Notifications

4.6/5

Activity Tracking

4.5/5

Audience Targeting

4.4/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

ActiveCampaign logo

AI-first marketing platform

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logo
ActiveCampaign
logo
Customer.io
4.3

Value for money

4.3
15
flat rate/per month

Starting price

100
usage based/per month

0.2

4.5

Functionality

4.3

Activity Dashboard

4.6/5

A/B Testing

4.4/5

API

4.3/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

MailerLite logo

Advanced email marketing made easy.

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logo
MailerLite
logo
Customer.io

0.4

4.7

Value for money

4.3
10
per user/per month

Starting price

100
usage based/per month

0.2

4.5

Functionality

4.3

Activity Tracking

5/5

Audience Targeting

5/5

API

4.9/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Constant Contact logo

Streamlines marketing to grow loyal audiences

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logo
Constant Contact
logo
Customer.io

0.2

4.1

Value for money

4.3
12
usage based/per month

Starting price

100
usage based/per month

0.1

4.2

Functionality

4.3

Attendance Management

5/5

Automated Publishing

4.7/5

Alerts/Notifications

4.7/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

EmailOctopus logo

Cloud-based email marketing tool

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logo
EmailOctopus
logo
Customer.io

0.5

4.8

Value for money

4.3
9
per feature/per month

Starting price

100
usage based/per month

0.2

4.5

Functionality

4.3

Activity Tracking

5/5

Campaign Management

4.9/5

Campaign Scheduling

4.8/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Systeme.io logo

Cloud-based email marketing software

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logo
Systeme.io
logo
Customer.io

0.6

4.9

Value for money

4.3
17
flat rate/per month

Starting price

100
usage based/per month

0.4

4.7

Functionality

4.3

Campaign Segmentation

5/5

Conversion Tracking

5/5

Course Management

4.8/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Success.ai logo

The AI-powered email marketing platform

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logo
Success.ai
logo
Customer.io

0.5

4.8

Value for money

4.3
33
flat rate/per month

Starting price

100
usage based/per month

0.5

4.8

Functionality

4.3

Customer Journey Mapping

4.9/5

Email Campaign Management

4.8/5

Lead Capture

4.8/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

HubSpot Marketing Hub logo

All in one inbound marketing platform

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logo
HubSpot Marketing Hub
logo
Customer.io

0.1

4.2

Value for money

4.3
15
per user/per month

Starting price

100
usage based/per month

0.1

4.4

Functionality

4.3

Audit Management

4.8/5

Activity Dashboard

4.7/5

API

4.6/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Omnisend logo

Drives revenue via automated eCommerce marketing

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logo
Omnisend
logo
Customer.io

0.2

4.5

Value for money

4.3
16
usage based/per month

Starting price

100
usage based/per month

0.2

4.5

Functionality

4.3

A/B Testing

4.4/5

API

4.3/5

Automated Responses

4/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Salesforce Marketing Cloud logo

Customer relationship management solution

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logo
Salesforce Marketing Cloud
logo
Customer.io

0.5

3.8

Value for money

4.3
25
per user/per month

Starting price

100
usage based/per month
4.3

Functionality

4.3

A/B Testing

5/5

Access Controls/Permissions

4.5/5

Activity Tracking

4.5/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Klaviyo logo

AI-enabled email marketing solution for B2C companies

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logo
Klaviyo
logo
Customer.io
4.3

Value for money

4.3
20
usage based/per month

Starting price

100
usage based/per month

0.3

4.6

Functionality

4.3

A/B Testing

4.9/5

Autoresponders

4.8/5

2-Way Messaging

4.7/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Bloomreach logo

Bloomreach personalizes the e-commerce experience

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logo
Bloomreach
logo
Customer.io

0.3

4.6

Value for money

4.3
Empty state illustration for "No pricing info"

No pricing info

Starting price

100
usage based/per month

0.3

4.6

Functionality

4.3

Access Controls/Permissions

5/5

2-Way Messaging

N/A

Abandoned Cart Saver

N/A

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Marketo Engage logo

AI-powered marketing automation platform

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logo
Marketo Engage
logo
Customer.io

0.4

3.9

Value for money

4.3
Empty state illustration for "No pricing info"

No pricing info

Starting price

100
usage based/per month
4.3

Functionality

4.3

Alerts/Notifications

5/5

Activity Dashboard

4.3/5

A/B Testing

4.1/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

WebEngage logo

Marketing Automation & Customer Data Platform for Enterprise

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logo
WebEngage
logo
Customer.io
4.3

Value for money

4.3
1000
per user/per month

Starting price

100
usage based/per month
4.3

Functionality

4.3

A/B Testing

3.5/5

API

3/5

Abandoned Cart Saver

N/A

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Blueshift logo

Blueshift Customer Engagement Platform

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logo
Blueshift
logo
Customer.io

0.1

4.4

Value for money

4.3
15000
/per year

Starting price

100
usage based/per month

0.4

4.7

Functionality

4.3

Abandoned Cart Saver

N/A

Behavioral Analytics

N/A

Behavioral Targeting

N/A

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

EngageBay CRM logo

Integrated sales & marketing software for growing teams

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logo
EngageBay CRM
logo
Customer.io

0.4

4.7

Value for money

4.3
14.99
per user/per month

Starting price

100
usage based/per month

0.3

4.6

Functionality

4.3

A/B Testing

5/5

Activity Tracking

5/5

Alerts/Notifications

4.8/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

Braze logo

Customer engagement platform

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logo
Braze
logo
Customer.io

0.1

4.4

Value for money

4.3
Empty state illustration for "No pricing info"

No pricing info

Starting price

100
usage based/per month

0.3

4.6

Functionality

4.3

App Notifications

5/5

Campaign Management

4.8/5

Channel Management

4.8/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5

SAS Customer Intelligence 360 logo

SAS CI360 reinvents marketing via data-driven decisioning

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logo
SAS Customer Intelligence 360
logo
Customer.io

0.6

4.9

Value for money

4.3
8000
flat rate/per year

Starting price

100
usage based/per month

0.6

4.9

Functionality

4.3

Access Controls/Permissions

5/5

Activity Tracking

5/5

Ad hoc Query

5/5

Top Features

Activity Tracking

5/5

Autoresponders

5/5

A/B Testing

4.5/5