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

"Connect with your customers at exactly the right moment"

What do you like best about Customer.io? Several ways to customise the journeys for your customers; tightly integrated into your product and your database, so you can engage with users at the moment they perform certain events or their status changes. What do you dislike about Customer.io? You definitely need the tech team's help to make it work! What problems is Customer.io solving and how is that benefiting you? We can easily set up marketing campaigns, and A/B test them with minimal help ...

"Great tool for email marketing!"

What do you like best about Customer.io? I've tried different tools over the years, and I must say, I am very pleased to be using Customer.io, it has everything that I need and more. What do you dislike about Customer.io? Maybe the email editor could be improved a bit, or even allow import from different formats, but it would say it's mostly a nice-to-have. What problems is Customer.io solving and how is that benefiting you? Communicating with my users, and workflow automations for ...

"Amazing for campaigns and personalisation, tricky for the nitty gritty"

What do you like best about Customer.io? Customer.io makes it: - Really easy to segment users by different attributes, dates, events and much more - The ability to use liquid makes it easy to customise emails to a huge extent - Auto-creation of UTM makes it easy to track clicks, and further customisation can be added manually for really granular tracking - The Overview makes it easy to track opens/clicks/conversions/bounces/unsubs, both for the campaign as a whole and for individual ...

"Great product"

What do you like best about Customer.io? Collecting all data and messages against a customer in the same place. This results in a better overview and understanding of what messages we send and when. What do you dislike about Customer.io? There are some technical limitations with Customer.io that require some workarounds from our end. It's really company-specific though. What problems is Customer.io solving and how is that benefiting you? Communicating with customers during different stages ...

"Connect with your customers at exactly the right moment"

What do you like best about Customer.io? Several ways to customise the journeys for your customers; tightly integrated into your product and your database, so you can engage with users at the moment they perform certain events or their status changes. What do you dislike about Customer.io? You definitely need the tech team's help to make it work! What problems is Customer.io solving and how is that benefiting you? We can easily set up marketing campaigns, and A/B test them with minimal help ...

"Powerful solution but not an inituitive UI/UX for beginners"

What do you like best about Customer.io? Many possibilities for communication with customers from emails to in-app messages. It is easy to personalise everything and integrate customer data for this as well. What do you dislike about Customer.io? Sometimes the complexity is a downside. With every campaign there is always some sort of unexpected behavior. What problems is Customer.io solving and how is that benefiting you? Easy communication flows and campaigns with customers

"I've created multiple email flows on the platform and have really enjoyed the ease of use so far."

What do you like best about Customer.io? The ability to build an intricate email flow with many different rules. What do you dislike about Customer.io? The video and visual formatting can be made easier within email flows. What problems is Customer.io solving and how is that benefiting you? It segments ceratin members of our community and helps us personalize email flows to each different group.

"customer.io is a rules engine"

What do you like best about Customer.io? Powerful, flexible workflow GUI integrated with a marketing platform. It is great no matter if you're a one-person marketing team or a 15 person marketing team. What do you dislike about Customer.io? Wish the Broadcast support was a little more robust (integrated landing pages, for example). What problems is Customer.io solving and how is that benefiting you? Helps us deliver and rapidly iterate on our activation content. All Prefect users get an ...

"Smooth integration and great capabilities"

What do you like best about Customer.io? Very intuitive, Customization capabilities. What do you dislike about Customer.io? Documentation sometimes is not very clear. What problems is Customer.io solving and how is that benefiting you? Automate follow-ups with our customers because we had a low conversion rate.

"One of the best customer communication solutions I've used"

What do you like best about Customer.io? The ability to build high quality automated solutions that allow me to reach customers through multiple mediums. What do you dislike about Customer.io? There's absolutely nothing I have found that I dislike about customer.io What problems is Customer.io solving and how is that benefiting you? Customer.io allows us to build communication solutions which target particular segments of our customer base without the need to track, manage, and segment ...