Small business, 10000 contacts

Constant Contact vs Customer.io

Marcus Taylor
Data refreshed on: 22nd February 2023
Fact checked by Anna Hamzah

Compare Constant Contact and Customer.io head-to-head to find the right platform for you business. We may receive a commission if you sign up with a company below.

Constant Contact

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1 month free trial included

Customer.io

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14-day free trial included
🏆 Recommended for you

Who uses it and why?

No data for Constant Contact
No data for Constant Contact
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No data for Customer.io
No data for Customer.io
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👍

An affordable and simple email marketing tool.

👎

Lacks advanced features and reporting is relatively basic.

👍

Great omni-channel sending options (SMS, push notifications and email)

👎

Expensive compared to similar products

What people are saying

1.4 · 701 ratings

Users tend to highlight Constant Contact's email list management features and streamlined functionality.

2.8 · 4 ratings

Enterprise users tend to highlight Customer.io's ease of integrating data and good customer support.

Owner, A&J King Bakery
Andy King
Owner, A&J King Bakery

Constant Contact is my marketing department.

Senior Director at Billie
Michelle Ballen-Griffin
Senior Director at Billie

Customer.io integrates perfectly into our data / CRM architecture. The flexibility of their API has allowed us to seamlessly update user attributes, create highly targeted workflows, and run experiments.

Used Constant Contact before?

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Used Customer.io before?

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Your recommended plan

Core
$/mo
for up to 10K contacts

One month free trial

Free migration

No cancellation fees

Basic
$/mo
for up to 10K contacts

14-day free trial

Free migration

No cancellation fees

Features

A/B Testing

Drag and Drop

Event-based automation

Pre-Designed Templates

Segmentation

Integrations

Facebook Ads

Google Ads

Google Analytics

Salesforce

Shopify

WooCommerce

Zapier

Features

A/B Testing

Drag and Drop

Event-based automation

Pre-Designed Templates

Segmentation

Integrations

Facebook Ads

Google Ads

Google Analytics

Salesforce

Shopify

WooCommerce

Zapier

Compare more...
Compare more...

Constant Contact has 2 plans starting at $80/mo. This plan is the cheapest based on your list size & requirements.

$80/mo is lower than the average cost of $115/mo for plans that cover 10K contacts. This plan comes with 10000 contacts.

$0$37$75$112$150

Customer.io has 1 plan starting at $150/mo. This plan is the cheapest based on your list size & requirements.

$150/mo is higher than the average cost of $115/mo for plans that cover 10K contacts. This plan comes with 10000 contacts.

$0$37$75$112$150

Used Constant Contact before?

Rate your experience

😣
🙁
😐
🙂
😄

Used Customer.io before?

Rate your experience

😣
🙁
😐
🙂
😄

Customer.io vs Constant Contact: Which is right for you?

Normally, a satisfaction score is an excellent indicator that we use to help prospective users like yourself make a decision – but in this case we need to dig a little deeper.
In this interactive guide, we’ll help you decide which email software platform is right for your business using qualitative and quantitative data. If you haven’t already, we recommend entering your contact list size, budget and type of business above – as this information is used to personalise the recommendations in this article.
Jump to:

1. Does Customer.io or Constant Contact offer lower pricing?

The amount you pay for email marketing software is often in proportion to the number of contacts you’ll be emailing. Based on 10000 contacts the average monthly cost is around $115.
At your current list size, Constant Contact is the more affordable option.
But how does their pricing compare as your list grows? The table below outlines how much you could expect to pay if your list were to double or triple in size.
10K contacts
$80/mo
10K contacts
$150/mo
20K contacts
$155/mo
20K contacts
Custom $
30K contacts
$300/mo
30K contacts
Custom $
Visit website
1 month free trial included
Visit website
14-day free trial included
Constant Contact is the most affordable platform today, and will also provide you with affordable list growth longer term.
However, we’d recommend visiting Constant Contact and Customer.io's pricing pages to get a precise quote based not just on your list size but also your feature requirements.
While it’s useful to compare pricing head-to-head like this, it’s also important to remember that Constant Contact and Customer.io may provide different levels of value to your organisation.
Which brings us neatly onto our next question.

2. Which platform is more feature-rich: Customer.io or Constant Contact?

Here’s a list of some of the common email marketing features that you’ll find in both tools, as well as those available in only Customer.io or Constant Contact.

Website personalization

Website personalization

Transactional email

Transactional email

Sub-accounts

Sub-accounts

Social Publishing

Social Publishing

Social Engagement

Social Engagement

Social Campaigns

Social Campaigns

Social Ads

Social Ads

SPAM check

SPAM check

SMS

SMS

Retargeting

Retargeting

RSS campaigns

RSS campaigns

Push Notifications

Push Notifications

Post purchase automation

Post purchase automation

No-code customization

No-code customization

Landing pages

Landing pages

In-app messaging

In-app messaging

Event-based automation

Event-based automation

Event & webinar marketing

Event & webinar marketing

Coupons and promotions

Coupons and promotions

Conditional content

Conditional content

Calendaring

Calendaring

ABM

ABM

A/B Testing

A/B Testing

3. Does it integrate with your tech stack?

Your email marketing performance depends on sending the right message to the right person at the right time. As such, it’s particularly important that your choice of software connects seamlessly with your existing tools and technology.

Calendly

Calendly

Google Ads

Google Ads

Google Analytics

Google Analytics

Facebook Ads

Facebook Ads

Salesforce

Salesforce

Slack

Slack

WordPress

WordPress

Zapier

Zapier

Which tool should you choose?

The best way to decide which email marketing tool is right for you is to try them out for real.
Thankfully both Customer.io and Constant Contact offer free trials that you can sign up for to explore their platforms and decide which one is most suitable for your business.

About the author

Marcus Taylor

Marcus Taylor is the Founder & CEO of Venture Harbour. Marcus is also an early-stage tech investor & the youngest Patron of The Prince's Trust.