Customer IO

We use CustomerIO to send emails to our customers. It's continuously painful. The email editor is a mess. The deliveries and draft features fail to show everything.

Customer.io is great for sending personalized, automated emails based on user behavior. It offers strong segmentation and flexibility, but the interface can feel complex for beginners.

Pretty awesome product. I've tried quite a few. And 1yr for free.

Just started using but so far is good. Only missing a more fast UI and better CMS with more functionalities and features. Way too basic

I am in love with and addicted to your product for the 6 months I have been using it. it is extremely powerful. The support is also incredibly helpful. Congrats!

We use Customer.io at Optery and love it. Powerful developer friendly features, but also simple enough for non-technical users to utilize. The user segmentation and event history are very useful. Documentation and support are also great, highly recommended.