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8.9

Spot Score

Customer.io - Marketing Automation Software

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

Personalized marketing, simplified.

4.3

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Starts from $100/Month

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Customer.io Reviews & Ratings

4.3

Very Good

Based on 310 ratings & 275 reviews

Rating Distribution

Excellent

(186)

Very Good

(74)

Good

(10)

Poor

(1)

Terible

(4)

Expert's Review

Customer.io is a robust and versatile platform celebrated for its powerful automation capabilities, advanced segmentation tools, and seamless multi-channel messaging. Its intuitive interface caters to both technical and non-technical users, enabling businesses to create deeply personalized campaigns with ease. Users praise the platform's flexibility, which ...Read more

Customer.io pros and cons

  • Intuitive and user-friendly platform with an excellent interface, simplifying the process for marketers and non-technical users alike.

  • Highly customizable and flexible, supporting dynamic segmentation, advanced personalizations, and tailored automations for campaigns.

  • Wide variety of integrations with CRMs, APIs, webhooks, and other tools, making it developer-friendly and easy to incorporate into existing systems.

  • Multi-channel communication support such as email, push notifications, SMS, and WhatsApp, enabling effective customer reach across platforms.

  • Complex features and advanced capabilities can pose a learning curve for less technical or non-experienced users, with a higher ramp-up time in some cases.

  • Pricing concerns, particularly for startups and smaller businesses, as costs can rise with growing user bases or features.

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Showing 221-230 out of 275

CM

Cynthia M

10/13/18

4.5 out of 5

"Easy to use"

What do you like best about Customer.io? This is so convenient to use because I can have it on my computer and on my phone What do you dislike about Customer.io? It took me a while to get the hang on how to use it What problems is Customer.io solving and how is that benefiting you? This is a great and easy platform to use. It allows me to send out my emails on time.

YB

Yert B

09/25/18

5 out of 5

"Pretty good"

What do you like best about Customer.io? Overall the program is very good I use it daily What do you dislike about Customer.io? There is not much I do not like about this What problems is Customer.io solving and how is that benefiting you? It helps me be more efficient

AU

Anonymous User

09/16/18

4 out of 5

"Awesome marketing tool that we couldn't live without."

What do you like best about Customer.io? Straight forward and clean application that's easy to work with and easy to set up. Connects with a lot of big other tools to use in tandem. What do you dislike about Customer.io? Missing some integrations with smaller, less popular tools. Recommendations to others considering Customer.io: The simple is not always the best, but the best is always simple. Keep things easy and understandable. Good Job! What problems is Customer.io solving and how is ...

Read more

TM

Teresa M

09/01/18

4 out of 5

"Herramienta efectiva de marketing"

What do you like best about Customer.io? Permite automatizar campañas de marketing y enviar los correos a un gran número de clientes potenciales. Se puede integrar con otras herramientas existentes, enviar correos basados en eventos. Otra utilidad que me gusta es que puedo saber cuantos clientes han abierto un email, también la facilidad de distribuir la publicidad en un breve periodo de tiempo. What do you dislike about Customer.io? Los informes podrían ser más completos, por ejemplo poder ...

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CC

Cara C

08/09/18

4.5 out of 5

"Easy to use!"

What do you like best about Customer.io? It’s is so simple and easy to use and truly helps with the company. What do you dislike about Customer.io? Nothing really. It was easy to use and I enjoyed the product. What problems is Customer.io solving and how is that benefiting you? Easy access to marketing.

YA

Yoav A

08/04/18

5 out of 5

"Fast, easy to use."

What do you like best about Customer.io? UI is really fast, you have all the features, great support. What do you dislike about Customer.io? Nothing, honestly this is an amazing tool. What problems is Customer.io solving and how is that benefiting you? Signup emails, onboarding, activation & one-time newsletters.

EM

Esthefania Melania G

07/31/18

3.5 out of 5

"Friendly and direct messaging to customers "

What do you like best about Customer.io? Being automatic is necessary nowadays and with this software I have the information of my clients at hand to improve the interaction between the brand and them. What I like most is the ability to visualize the behaviour of each user in the face of the strategies implemented, the progressive change and so analyze what to improve. What do you dislike about Customer.io? I have tried other similar software more friendly when learning to use them. Also, ...

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AU

Anonymous User

07/30/18

5 out of 5

"An amazing email provider for B2C email marketing"

What do you like best about Customer.io? The customizable email triggers are amazing. They're simple to use, and you can set up custom workflows based on how your customers interact with you or your site. What do you dislike about Customer.io? It doesn't have a fancy HTML editor like other platforms, but it's not really that necessary. What problems is Customer.io solving and how is that benefiting you? Customer email communication.

LF

Luke F

07/30/18

4.5 out of 5

"Solid experience with Customer I/O"

What do you like best about Customer.io? The customer support team was incredible, always offering quick advice and even custom engineering support. What do you dislike about Customer.io? Uploading custom email segments was not as easy as we would have liked and often resulted in emails to customer support. In reality, 80% of the emails we service are transaction and can be support with the pixel, but most systems can't support the super custom logic we use to power some ...

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AU

Anonymous User

07/27/18

4 out of 5

"Good all-around email program"

What do you like best about Customer.io? Overall very easy to use: nice and clean interface and it's easy to set up campaigns. What do you dislike about Customer.io? Out-of-the-box reporting tools are a bit lacking. No real customization. Need to pipe data into other programs to do any extensive analysis. What problems is Customer.io solving and how is that benefiting you? One-off email campaigns, customer lifecycle email campaigns, webhook triggered emails directly from our database.