Klaviyo Reviews in September 2026: User Ratings, Pros & Cons

"Easy and Intuitive, Great Customer Support"

What do you like best about Klaviyo? In my old role, I was accustomed to a competitor's system. Klaviyo was an easy transition, with more capability. Very pleased.

"In depth-analytics make this platform top-tier"

What do you like best about Klaviyo? Analytics and reporting, ease of editing, and we very specifically like the feature to suggest products to our customers based on behavior.

"Best marketing automation platform!"

What do you like best about Klaviyo? I like how I can see the performance of all my campaigns and monitor who reads it What do you dislike about Klaviyo?

Beyond happy and excited!

It was a really pleasant and efficient onboarding process thanks to Anna’s superb support. She was very detailed when it came to explaining to us about deliverability, how to maximize the Klaviyo platform, and more. She was also very responsive and accessible for our team whenever we had questions or clarifications. I could always count on her for her advice and we will definitely miss working with her! Despite our team having very unique needs and targets, she was quick to adapt and help ...

We have only been using Klaviyo for a…

We have only been using Klaviyo for a short period of time but in that short space its clearly obvious that this marketing software can be a gamechanger for a lot of small business, especially if you have full integration from your ecommerce website into Klaviyo. Segmenting customers automatically into groups based on product categories is simple allowing you to send custom messages to certain groups of people (not actually done this yet though) but just by looking at the power it offers ...

"Klaviyo by far is our strongest marketing tool. Generating over 40% of our revenue through e-mail."

What do you like best about Klaviyo? I've used many platforms before for e-mail marketing. Klaviyo has a great interface that is easy to use for everyone on the team, experienced or not. Klaviyo continues to innovate its product in the right direction. It is rare to use a platform that comes out with updates that are relevant to their customers. This means they really take the time to research and learn how to improve their product.

Brilliant platform for Marketing

I have had a fantastic experience using Klaviyo for our email marketing campaigns. The platform is user-friendly and has an intuitive drag-and-drop editor that makes it easy to create visually appealing emails. The segmentation and personalisation features are top-notch and have helped us increase our open and click-through rates. Additionally, the customer support team at Klaviyo is second to none. They have quickly responded to any questions or issues and provided helpful ...

A fantastic onboarding experience

A fantastic onboarding experience with Sophie & Marius. We had a very tight timeline to get everything live and during peak season so added pressure. They were both incredibly helpful in prioritising and supporting Truly through the process. Since launching we have had nothing but success with the platform and would recommend it to anyone.

"It was a fantastic experience using this platform"

What do you like best about Klaviyo? I like the interface of the klaviyo platform What do you dislike about Klaviyo?

"Klaviyo has been a critical part our our business growth and stabilizing our baseline business"

What do you like best about Klaviyo? We are one of the hundreds of health/ sexual wellness companies whose ads are blacklisted or banned- thus, the performance or cost of acquiring a customer on paid ads continuously changes, building our baseline and returning customer business through klaviyo has helped us stabilize and grow.