Customer.io Reviews in April 2025: User Ratings, Pros & Cons

"My favorite platform for Product Led Growth (PLG) and Marketing Automation"

What do you like best about Customer.io? - Attractive Pricing for B2C businesses (with a lot of users) - User friendly - Very developer-friendly and transparent in terms of data - Very flexible with many integrations, webhooks and very advanced personalization and data modifications that can be implemented using either Liquid or Javacript - Supports various channels: Email, mobile push notifications, in-app news, SMS or WhatsApp (via Twilio) and even more through webhooks - Pricing is not ...

"A powerful flexible platform with great customer support"

What do you like best about Customer.io? I most like the flexibility of the product and the ability to tackle a wide variety of use cases greater than I expected. The ease of integration means that it's easy to get prototypes up and running in very short time. What do you dislike about Customer.io? Getting on top of email creation and styling is quite time consuming and can require some specific skill sets. The more cio can provide out of the box assistance with this the better. What ...

"My favorite platform for Product Led Growth (PLG) and Marketing Automation"

What do you like best about Customer.io? - Attractive Pricing for B2C businesses (with a lot of users) - User friendly - Very developer-friendly and transparent in terms of data - Very flexible with many integrations, webhooks and very advanced personalization and data modifications that can be implemented using either Liquid or Javacript - Supports various channels: Email, mobile push notifications, in-app news, SMS or WhatsApp (via Twilio) and even more through webhooks - Pricing is not ...

"Integrated events and flexible segment building capabilities automate highly specific outreach"

What do you like best about Customer.io? With customer.io we have been able to automate communication sequences to specific groups of people through leveraging the integrated events, segments, and campaigns. Additionally, we can ensure people exit the campaigns appropriately with thoughtful branching and event conditions. What do you dislike about Customer.io? Drafting communications can be tedious and sorting through the library of previously drafted communications is not always ...

"Best mkt. automation & messaging tool I worked with"

What do you like best about Customer.io? In the first place it was very easy to start using it. We made the switch from Hubspot to Customer.io because Hubspot is more designed for sales-led organisations while we focus on product-led as a low-ticket SaaS business. The implemenation was very easy. I find the ease of integrating events (from Segment in our case) & attributes very helpful. Also the amount of flexibility in configuring triggers & segments based on these events & attributes is ...

"Comprehensive all-in-one communication solution"

What do you like best about Customer.io? We have been using Customer.io for over a year now, and we have been extremely happy with the ease of use, simple setup (good documentation), and comprehensive native integrations. Before switching to customer.io, we tested a range of other providers, but none of them provided all the features we were looking for; some were too simple, whereas others were too complicated for no reason. We now use customer.io every day for all of our communications ...

"Great features and easy to use"

What do you like best about Customer.io? Customer.io has the right mix of features for engaging app users. Everything is easy to use and the interface is intuitive. My team was able to get up and running very quickly and we are able to see results right away. What do you dislike about Customer.io? We are on a less expensive price tier so we don't have customer support for questions. The community is strong, but sometimes talking with someone provides a much clearer explanation. What ...

"It's a very great tool that can help you in your relationship with your customers."

What do you like best about Customer.io? The personnalization of your campaigns, the reactivity of the support, the possibilities this tool offers you. What do you dislike about Customer.io? Kind of hard to handle all the features and understand all technical aspects, you may use it with a technical profile to be very efficient. What problems is Customer.io solving and how is that benefiting you? The fact that we used to adress our customers the same way .. Considering they are all ...

"Comprehensive all-in-one communication solution"

What do you like best about Customer.io? We have been using Customer.io for over a year now, and we have been extremely happy with the ease of use, simple setup (good documentation), and comprehensive native integrations. Before switching to customer.io, we tested a range of other providers, but none of them provided all the features we were looking for; some were too simple, whereas others were too complicated for no reason. We now use customer.io every day for all of our communications ...

"Powerful segmentation and campaign tools"

What do you like best about Customer.io? Easy to build segments and connect marketing campaigns to these. Workflows has quite granular settings What do you dislike about Customer.io? No autoremoving people who reply to emails in a given journey What problems is Customer.io solving and how is that benefiting you? Sending emails based on firmographics and product behaviour. Sales meetings and upgrades through right in time email delivery.