Reviews (3,415)

Overall rating
4.7
Counts per rating level
  • 88% of ratings are 5 stars
  • 2% of ratings are 4 stars
  • 1% of ratings are 3 stars
  • 1% of ratings are 2 stars
  • 8% of ratings are 1 stars
What merchants think

Feedback submitted

Merchants describe this as a core growth driver and “game changer” for boosting sales, AOV, and repeat purchases. They highlight easy automation flows (abandoned cart, welcome, post‑purchase, back‑in‑stock) and strong segmentation and analytics for revenue attribution and lifecycle marketing. Many find it intuitive, with seamless Shopify integration, professional email/SMS designs, reliable performance, and helpful support that scales from solo founders to larger brands.

August 18, 2026

Out of all the marketing tools I've tried, Klaviyo stands out as the most reliable and efficient. The platform makes everything seamless, and the pricing is genuinely affordable. Absolutely love it.

Soluna Gems Creations
United States
2 months using the app
Klaviyo replied August 18, 2026

We appreciate the feedback and are glad the platform has been delivering results!

August 16, 2026

Klaviyo is fantastic. Consolidated a lot of apps we were paying our for to Klaviyo for Email Marketing, Reviews, Sign-Up Forms, Flows etc and its been great for increasing revenue. Well worth it

The Box Supplements
United Kingdom
6 months using the app
Klaviyo replied August 18, 2026

Thank you for sharing your experience. We're glad Klaviyo has been a straightforward and effective tool for your marketing efforts!

July 16, 2026

We've been using Klaviyo for a long time and have continued to stay with the platform because of its rich feature set, ease of use, and flexibility. More importantly, it consistently delivers a strong return on investment, making it a valuable part of our marketing strategy.

IMBIBE
Australia
About 7 years using the app
Klaviyo replied July 17, 2026

Thank you for the thoughtful review. We're pleased to hear Klaviyo has consistently delivered a strong return on investment for your business!

July 8, 2026

Everything just works - from popup to purchase
We run a premium dog care store in Bulgaria and Klaviyo has become the backbone of our email marketing. The Shopify integration synced our subscribers, orders and events flawlessly, in both directions. We built a welcome flow with a discount code, an abandoned checkout flow and a signup popup, all connected to the store data without a single technical issue.
What impressed us most: the level of control. Smart targeting rules for forms (scroll depth, exit intent, excluding existing subscribers and checkout pages), per-message Smart Sending settings, and clean sync settings that just make sense. Support for a non-English store (Bulgarian forms, emails and error messages) worked perfectly too.
If you are serious about turning store visitors into repeat customers, this is the tool. Five stars, well earned.

Super Dogs
Bulgaria
11 months using the app
Klaviyo replied July 8, 2026

Thank you for such a thoughtful review! We're thrilled Klaviyo has become the backbone of your email marketing!

October 20, 2026

Great customer service, came ack instantly and added value.

DTC Mode
United Kingdom
Almost 2 years using the app
Klaviyo replied October 21, 2026

We are so happy to hear you have been receiving great value and support from our platform! Thank you for your continued support!

October 19, 2026

Crazy expensive app If you are mid or small size business try something else before you fell like us!

OVERRATED
United States
Over 2 years using the app
Klaviyo replied October 20, 2026

Thanks for sharing your honest feedback. We understand that pricing is an important consideration for small and growing businesses, and we'd like to help address your concerns. A Senior member of our Billing Support team has reached out to you directly.

October 11, 2026

Increased communication with our clients, converts to additional sales. Easy to use.

Hi Form Australia PL
Australia
Over 1 year using the app
Klaviyo replied October 13, 2026

We’re pleased to hear the platform has been delivering on both ease of use and results. Thank you for the 5-star review!

October 1, 2026

Excellent app with amazing support! Klaviyo is a powerful and reliable platform for Email Marketing&SMS. Special thanks to Anastasia and Mariyah for the amazing support. Great experience!

PRINT EXPLORE
Greece
About 1 year using the app
Klaviyo replied October 2, 2026

We appreciate the kind words and the recognition for Anastasia and Mariyah. We'll make sure they hear about this. Thank you for the 5-star review!

September 30, 2026

It's a great app, been using it for 2 years

Concrete Tools Direct
United States
Almost 2 years using the app
Klaviyo replied October 1, 2026

We're happy to have served you these past couple years, thank you for the review!

June 29, 2026

Great experience! The setup was straightforward, and I was able to connect my custom domain and create a professional business email for my Shopify store. Everything worked as expected, and the interface was easy to follow. Having a branded email address gives my store a much more professional appearance. Highly recommended for Shopify store owners who want a reliable custom email solution.

HeartWrapped Gifts
United States
About 6 hours using the app
Klaviyo replied June 30, 2026

We're glad to hear the platform has been intuitive to use and is positively impacting you and your team already. Thank you for the 5-star review!