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

"Best-in-class tool to manage communication with customers"

What do you like best about Customer.io? Easy to setup and powerful feature set: works with most communication channels and allows for tracking & reporting on everything. Customer support is responsive and generally useful. What do you dislike about Customer.io? Some simple yet important features are missing: automatic BCC on all emails for CRM integrations, clear formatting in rich text editor CIO is not super easy to pick up for people without technical knowledge — there are a lot of ...

"Exceptional platform for all customer messaging and data"

What do you like best about Customer.io? Customer.io is very good at all things related to customer messaging and has been expanding its capabilities rapidly since we started using them two years ago. It is incredible and may replace our CDP shortly. What do you dislike about Customer.io? There are some specific limitations to the way that campaigns and workflow steps can be triggered or updated by events that I think could be more intuitive and useful. There are workarounds, but this is ...

"My favorite email tool (&i've used many)"

What do you like best about Customer.io? The simplicity and user experience is unparalleled. I also love the reporting and how easy it is to a/b test. What do you dislike about Customer.io? The two factor authentication they set up is annoying! What problems is Customer.io solving and how is that benefiting you? Communicating with our customers during important parts of the customer journey. We have our CS employees more available bc of the automations.

"Customer.io for a D2C health app"

What do you like best about Customer.io? The ability to craft and send highly personalized data-driven emails, push notifications, in-app messages, and SMS has empowered us to engage our audience with precision and relevance. The platform's intuitive interface and comprehensive automation features have simplified our workflow, saving us valuable time and effort. One of the standout features of Customer.io is its unparalleled control and flexibility. The powerful segmentation and targeting ...

"Automated Messaging for Advanced Marketers"

What do you like best about Customer.io? The ability to send automated messages to customers based on behavior and other configurable metrics. It is also rich in features offering alternatives such as email or sms What do you dislike about Customer.io? As it says, it is sophisticated and requires someone to be tech savvy or at least have someone tech savvy with email and message marketing experience to guide you What problems is Customer.io solving and how is that benefiting you? makes it ...

"Great for building data-driven, personalized messaging campaigns"

What do you like best about Customer.io? Customer provides an incredible amount of flexibility and customization and integrates very effectively with a modern data stack. What do you dislike about Customer.io? Troubleshooting Liquid errors can be a bit challenging at times. What problems is Customer.io solving and how is that benefiting you? Customer provides a single platform for messaging across multiple channels (email, sms, push, in-app). Critically, it integrates effectively with your ...

"Overall review"

What do you like best about Customer.io? user friendly interface with good and useful tools for email marketing What do you dislike about Customer.io? expensive pricing packages for premium members What problems is Customer.io solving and how is that benefiting you? it's been useful for segmenting users into different categories

"Monthly contracts are actually locked in price"

What do you like best about Customer.io? Good platform for customer communications. Flexible, easy to use, lots of options - nice to sync with Redshift, etc. What do you dislike about Customer.io? We pay on a month-by-month basis. Was recently told that we are "not permitted" to right-size our usage contract to save some money. We are paying for thousands of unused profiles until a year with them is up. Keep that in mind. What problems is Customer.io solving and how is that benefiting ...

"A truly intuitive, rich and satisfying messaging platform that stands out in multiple respects"

What do you like best about Customer.io? Easy to use and powerful messaging workflow Empathetic and friendly account management Great pricing Responsive and helpful support Continuous product improvements What do you dislike about Customer.io? In-app messaging product needs a lot of work What problems is Customer.io solving and how is that benefiting you? Creating personalized messaging journeys with super smart conditions, easy tracking of the journey each customers steps in and out from, ...

"Smooth product that has all the tools you need"

What do you like best about Customer.io? Customer.io knows how peole work with tracking events and makes its email flow suite integrate very well with it. It's straight forward. While I struggled a bit at first, it is actually the first email automation tool where I managed to create dynamic emails by myself using the coding logic What do you dislike about Customer.io? There are only few quality of life things that sometimes I stumble upon that are not that thought through. For example if I ...