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

Great customer service!

What do you like best? We just signed on for Klaviyo a few weeks ago and we're already SO blown away by the experience so far. Everyone is so genuine and helpful, and it makes it so much easier. Our old ESP wasn't great about customer success and satisfaction, so this is a huge plus for us. And the product is AMAZING, too! Go Klaviyo! What do you dislike? I honestly haven't seen anything I dislike about the product or service so far, which is awesome. Recommendations to others ...

Klaviyo Changed My Client Relationships

What do you like best? The best part about Klaviyo is how personalized we can get campaigns and automations for clients, which ultimately drives all stats in their system higher, most importantly revenue and revenue %. What do you dislike? The interface is a bit clunky, it should be designed from a UX perspective (how people actually use it) not a developer perspective (logically) Recommendations to others considering the product: Go for it! It will change your business and ...

Klaviyo has changed our business!

What do you like best? I love all of the tools available through Klaviyo. As a first time user, I find the support that Klaviyo offers to be super helpful. What do you dislike? We use Yahoo Small Business and it is frustrating that in order to use Kaviyo we needed to have a custom integration - which means that not all Klaviyo features and tools are available to us. What problems are you solving with the product? What benefits have you realized? Klaviyo helps us to better ...

Best conference I have been to.

What do you like best? Networking events, for example the own the party night. Try and have bigger capacity for the others tho haha What do you dislike? Maybe you guys can add the difficulty level to each presentation: beginner / intermediate / advanced What problems are you solving with the product? What benefits have you realized? Making more money

Easy software to email blast customers

What do you like best? I like how its able to segment customers into certain categories and email them. What do you dislike? There is a lot of work that goes into sending one email. Recommendations to others considering the product: We recommend it! Always a great way to send customers a mass email. What problems are you solving with the product? What benefits have you realized? We are able to reach customers quicker and easier with Klaviyo.

Great Product & Excellent Support

What do you like best? Klaviyo has allowed us to take our clients email marketing and automation efforts to the next level. What do you dislike? The is nothing I dislike about the product. What problems are you solving with the product? What benefits have you realized? Predictive Segmentation has been instrumental in making our clients marketing efforts more efficient

Best switch I was ever forced to make. :)

What do you like best? The ease of use once you learn the interface. Segmenting customers, send time optimization, and personalizing of emails.. Reporting is strong and flows make money while you sleep. It more than pays for itself once if you use it properly. What do you dislike? Learning curve can be a bit much. Would like to see more links to articles about the feature right next to the feature. Higher plans can seem a bit expensive. Recommendations to others considering the ...

Klaviyo mean BEST

What do you like best? The growth and listening to customers requests always and developing of what we need. What do you dislike? Like it all, the best of the best just amazing What problems are you solving with the product? What benefits have you realized? The easy way and great simple tool

Powerful email tool for ecommerce

What do you like best? I like that is super powerful way to target your users to get better results. What do you dislike? I would like to see more integrations for this product. What problems are you solving with the product? What benefits have you realized? More transparency into results and better targeting.

The absolute best ESP for Magento

What do you like best? Klaviyo has been the only ESP that we've had success on with the Magento sites we do development for. We specialize in customization on Magento and therefore have issues integrating with ESP's quite often. Klaviyo has been the only one that we've actually had an easy time getting our client's platforms integrated properly. We have come across some issues, but the customer service received from Klaviyo has been exceptional. Klaviyo is not our top recommendations for ...