Reviews (2,424)

Overall rating
4.7
Counts per rating level
  • 85% of ratings are 5 stars
  • 3% of ratings are 4 stars
  • 1% of ratings are 3 stars
  • 1% of ratings are 2 stars
  • 9% of ratings are 1 stars
What merchants think

Feedback submitted

Merchants highly recommend this app for boosting e-commerce growth through personalized email campaigns and automated customer journeys. They appreciate its intuitive automation tools, robust email flows, and effective segmentation, along with seamless Shopify integration. The platform's user-friendly interface and comprehensive training resources are also noted. Additionally, the 24/7 chat support available with paid plans is praised for its efficiency and helpfulness.

September 18, 2024

We've been loyal Klaviyo customers for 5 years, investing $12,000 USD annually in their platform. Recently, due to a system error, the size of one of our segments was miscalculated right before our billing cut-off date, which meant we were unable to fully use the email credits we had purchased, and they expired. I contacted Klaviyo support just 3 minutes after the new billing cycle began, explaining the system error and requesting a one-time credit for the expired emails.

Considering the nature of the issue and our long-standing relationship, I expected this to be a simple, reasonable request. Unfortunately, Klaviyo refused to grant the credit for emails we had already paid for. This has been a disappointing experience and, in my view, a clear example of poor customer service. Based on this experience, I can no longer recommend Klaviyo.

Cheers,
Florian
Founder & CEO, Soundbrenner

Soundbrenner
United States
Over 5 years using the app
July 10, 2024

The best email ESP I've used over the past 8 years in this industry. The offering creates ease, and a strong ROI. But the support is also fast and satisfactory.

Briogeo Hair Care
United States
Over 6 years using the app
Klaviyo replied July 12, 2024

Thank you so much for the 5-star review.. and thank you for being such a loyal customer.

April 30, 2025

Amazing! Increased revenue dramatically!

thefoodimpostor
Australia
Over 1 year using the app
Klaviyo replied May 5, 2025

Awesome to hear this! Thanks a bunch for the 5 stars.

May 1, 2025

Incredible integration!

Adventure Together
United States
3 months using the app
Klaviyo replied May 5, 2025

Thank you so much for the 5 stars!

June 25, 2024

Klaviyo support is wonderful !!! I have a Shopify store for more than 10 years, I never has such an incredible Support from any other App or Company related to Shopify.
Keith, Najah, Michaela, Paola and more... Everybody at Klaviyo support is very patient and and ready to help, replying to any question or concern
right away !!!
Thank you Klaviyo for your incredible SUPPORT !!!
Sylvie
VintageArtReprints.com

VINTAGEARTREPRINTS.COM
United States
Over 1 year using the app
February 23, 2025

Great App for marketing and SMS.

Proton Sports & Apparel L.L.C.
United States
About 4 years using the app
Klaviyo replied February 25, 2025

We’re thrilled to hear you've had a positive experience with Klaviyo so far! Thanks for taking the time to share.

April 15, 2025

Das Beste für Email Marketing. 100% Empfehlung

Team NATURFRANZ
Germany
15 days using the app
Klaviyo replied April 18, 2025

Wir freuen uns über die 5-Sterne-Bewertung! Vielen Dank!

June 24, 2024

Easy migration with a lot of support. We can do so much more with our integration in shopify than what we could do with Constant contact or mailchimp.

Bridges Canada
Canada
10 months using the app
July 15, 2024

Its a large learning curve to become excellent at using, but i minor curve to get started and active. Klaviyo email flows brought in hundreds to my bottom line at a fraction of the cost for ads! I love it!

Abodoria
United States
Over 1 year using the app
January 7, 2025

Klaviyo is very efficient at increasing revenue through email marketing.

Autumn Summers Books
United States
Over 1 year using the app
Klaviyo replied January 9, 2025

Thank you for the 5 stars! So glad to hear that you're seeing positive results.