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Constant Contact vs MailChimp vs Mailgun comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Mindshare comparison

As of September 2025, in the Cloud Email category, the mindshare of Constant Contact is 2.8%, up from 1.4% compared to the previous year. The mindshare of MailChimp is 14.2%, down from 19.1% compared to the previous year. The mindshare of Mailgun is 9.5%, up from 7.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Email Market Share Distribution
ProductMarket Share (%)
MailChimp14.2%
Mailgun9.5%
Constant Contact2.8%
Other73.5%
Cloud Email
 

Featured Reviews

DC
It enables me to create and manage an auto-responder series along with list growth management tools.
The goal is to continue to engage with my list. Keeping in touch with new and potential customers helps stay "on top of mind" when needing services.  Just like the name states, it has allowed me to stay in "constant contact" with my subscribers. The most valuable features are creating and…
Ghias Ahmad - PeerSpot reviewer
Good for digital marketing purposes, such as creating and managing email campaigns
Mailchimp could be more user-friendly for setting up WordPress websites. Some of the complex settings can be time-consuming to configure. So, setting up Mailchimp for WordPress websites can be time-consuming for an average user but not necessarily difficult. It's time-consuming, especially when adding custom code to email campaigns. It requires some experience and knowledge to do it effectively.
Christopher Justice - PeerSpot reviewer
Reliable, easy to set up, and offers good email-sending capabilities
We use the solution for high-volume email sending for event management. Simple and perfect for what we need.  It has helped us with email deliverability. The email-sending capabilities are great. It's a very easy product to set up.  The solution is stable. It is scalable.  The solution needs…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"It is fun to design your newsletter based on the content you would like to deliver."
"I use Mailchimp for digital marketing purposes, such as creating and managing email campaigns, collecting data, and integrating with WordPress websites."
"Running email campaigns is easy and straightforward."
"MailChimp's most important functionality is its automation feature."
"MailChimp has many capabilities."
"It allows for dragging and dropping, which is much faster than writing HTML and CSS."
"The email scheduling has been quite useful."
"It's a very easy product to set up."
 

Cons

"Sometimes, you will be typing in a text box and hit the backspace, but the website will think you meant to go back a page. Basically, you end up losing work when this happens and it is hard to predict."
"Mailchimp could be more user-friendly for setting up WordPress websites. Some of the complex settings can be time-consuming to configure. So, setting up Mailchimp for WordPress websites can be time-consuming for an average user."
"A standalone system for private servers would be ideal."
"It needs more formatting flexibility, such as the ability to wrap text around photos."
"I don't have any issues with the service."
"The solution should improve its reporting feature. There should be more transparency around API development. At the moment, the clients are pushing custom API into the mail, so we don't have too much visibility regarding what endpoints they're pushing the data into."
"The solution could be easier to use."
"The solution needs better templating and email validation."
 

Pricing and Cost Advice

"The cost is fair, and you end up making enough in sales to pay for it."
"MailChimp is affordable."
"I primarily use the free version, but sometimes, for specific client needs, we may have to purchase different versions or packages."
"We pay $80 a month to use the solution."
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Top Industries

By visitors reading reviews
No data available
Computer Software Company
12%
Educational Organization
9%
Comms Service Provider
8%
Manufacturing Company
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business30
Midsize Enterprise3
Large Enterprise9
No data available
 

Questions from the Community

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What do you like most about MailChimp?
I use Mailchimp for digital marketing purposes, such as creating and managing email campaigns, collecting data, and i...
What is your experience regarding pricing and costs for MailChimp?
I primarily use the free version, but sometimes, for specific client needs, we may have to purchase different version...
What needs improvement with MailChimp?
Mailchimp could be more user-friendly for setting up WordPress websites. Some of the complex settings can be time-con...
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Comparisons

 

Also Known As

Retention Science
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Overview

 

Sample Customers

Pajama Program
The Atlantic, WNYC, Sierra Nevada, New York Times
Stripe. GitHub, Heroku
Find out what your peers are saying about MailChimp, Twilio, Amazon Web Services (AWS) and others in Cloud Email. Updated: August 2025.
867,341 professionals have used our research since 2012.