Powerful and user-friendly tool!
June 25, 2022

Powerful and user-friendly tool!

Jasmine Reyes | TrustRadius Reviewer
Score 10 out of 10
Vetted Review
Verified User

Overall Satisfaction with Customer.io

Customer.io tool is amazing for email marketing. It's very comprehensive, lets you go into a lot of detail, and is also user-friendly. I have used it to handle email marketing flows and newsletters for various clients. Since it's so complex, there's a bit of a learning curve. But after that, it's so easy to create flows that trigger at different times of the day/week or whenever a user performs a certain action. The editor is also much easier to use than some other email marketing tools I've tried.


  • Lets you create email flows without knowing code.
  • Easy to create nice looking newsletters.
  • Can easily segment users as many ways as you want.
  • Great customer support and documentation.


  • Price is quite expensive for Premium or once you get into high volumes of contacts.
  • Depending on how you'll use it, it may require some help from developers to set up.
  • Despite the support being great, you have to email them, there's not chat feature.
  • Workflow creation.
  • Segments.
  • Content editor.
  • Boosted open rate and CTR thanks to easy to use AB testing feature.
  • Helped generate sales for B2C customers through promotional newsletters.
  • Reduced time spent on creating emails/newsletters due to how well their editor works.
Customer.io is much more comprehensive and powerful. It takes some getting used to but once you understand how it works, you have a ton of control when it comes to email marketing.

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This tool is well-suited for companies looking to run email marketing campaigns or send out newsletters regularly to their users/customers. The workflow setup is especially useful for companies who want to send specific emails based on user behavior - i.e. they've not logged in recently, have bought a specific product, haven't opened any emails, etc. This could also be useful for freelancers like me since you can create different workspaces within Customer.io. I have configured it this way to handle email marketing for a few of my clients, and the software keeps everything organized and separate. This might not be the best tool for small businesses, considering the price. It may be better to start out with a cheaper email marketing tool, and then if/when necessary, scale-up with a tool like Customer.io.


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