Klaviyo Reviews in May 2025: User Ratings, Pros & Cons

"Easily one of the best all-in-one customer platforms out there!"

What do you like best about Klaviyo? Klaviyo has immensely useful and impactful business insights between their analytics dashboard, benchmarking tools, and ability to break down attribution. When you're managing a multitude of customer information from varying sources of zero-party to third-party data, Klaviyo helps you break it down and use it in a meaningful way—without a data scientist behind the keyboard. On top of their analytics, it's incredibly user-friendly from a UI and navigation ...

"Klaviyo - The Great eCommerce ESP"

What do you like best about Klaviyo? Klaviyo is a powerful ESP that we leverage to help our merchants grow their owned revenue. What do you dislike about Klaviyo?

I have been using this company for…

I have been using this company for about a year and haven't been able to put my full attention on their services because I was working a full-time job and working my business part time. Now I'm full-time in my business i have learned so much that i never knew lol...the strategies they have set up for you to research and grow from are amazing. The test they have you take after completing a course is very good. One good thing about this company is you have to study and be determined to learn ...

Great platform

My company moved from Mailchimp to Klaviyo to increase revenue and automate more processes. As well, we work with Salesforce, which involves a lot of development work, and Klaviyo makes this easier. Is a great platform, with a lot of great options to segment and create a lot of flows. Thanks to their support team, I have found the entire process to be very easy and efficient. The onboarding process was also very easy and pleasant. A special thanks goes out to Tamsin, who made this ...

"Klaviyo is the absolute best!"

What do you like best about Klaviyo? Audience breakdowns have been invaluable for our Q4 strategy. Klaviyo outperforms all of its competitors. We'd never switch to anyone else!

"Great platform, best in the biz!"

What do you like best about Klaviyo? Klaviyo is the most powerful email platform for Shopify users. It integrates with everything and is too powerful not to us. If you don't use it you're an egghead.

"Go to Marketing Platform for Shopify Merchants!"

What do you like best about Klaviyo? The go-to choice for most Shopify merchants for easy setup, user-friendly email builder, powerful reporting tools and audience segmentation. On top of being packed with features that are simple for merchants to learn, they also have an excellent support team that caters to their clients and agencies.

"We use Klaviyo for every single ecommerce store we work with"

What do you like best about Klaviyo? So many. They integrate with all of the other best-in-class e-commerce apps that our clients use, which gives us a complete 360 view of every customer in our CRM, allowing us to segment and personalize our email, SMS, push, and direct mail communications with our customers at scale.

"Great ESP & CRM that puts powerful data at the fingertips of marketers"

What do you like best about Klaviyo? Very strong segmentation abilities, best WYSIWYG editor I've worked with, accessible and helpful support team, easy flow building

"The only option for email"

What do you like best about Klaviyo? Klaviyo seamlessly pulls customer data and actions into your email marketing tool to allow you to build the best possible customer experience and generate high ROI