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Klaviyo Marketing Automation Software logo
Klaviyo
Email Marketing Automation Simplified
4.6
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Klaviyo Reviews: 4.6/5 — Highly Rated

Klaviyo Overview
What is Klaviyo?

Klayviyo is an all-in-one customer platform that empowers users to grow their businesses through personalized experiences delivered by their extensive features. The platform’s goal is to create high value customer relationships through tools that can help automate personalized communications and deliver extensive marketing promotions that make customers feel seen, not targeted. Overtime, Klayviyo can also help gather important insight into your audience preferences and behavior.

Company Klaviyo, Inc.
Year founded 2012
Company size 501-1000 employees
Headquarters Boston, MA, USA
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What Klaviyo is best for?
How does Klaviyo compare to Brevo Marketing Platform?
What are the pros and cons of Klaviyo?
Klaviyo Product Details
Capabilities
AI
API
Segment
Small Business
Mid Market
Enterprise
Deployment Cloud / SaaS / Web-Based, Mobile Android, Mobile iPad, Mobile iPhone
Training Documentation
Languages English
Klaviyo Features
A/B Testing
AI-assisted content or subject line generation
Analytics/ROI Tracking
Attribution Modeling
Behavioral Targeting
Campaign Management
Chatbots / live chat / conversational marketing
Contact Management
Content Management
Conversion rate optimization (heatmaps, session replay, feedback polls)
CRM Integration
Custom audiences (social ads) and ad audience sync
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Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: September 27, 2026
Klaviyo Marketing Automation Software logo
1,010 Klaviyo Reviews
4.6 out of 5
Small Business (50 or fewer emp.)
Feb 21, 2023
 Source
Overall Rating:
4.5
JT
John T.
Founder
Share
"Great onboarding, even with tons of questions"
What do you like best about Klaviyo?

Klaviyo was able to replace four other services on our site, and in a significantly more effective way than before.

What do you dislike about Klaviyo?

While the product is usable out of the box, it's hard to justify just flipping the switch on with the default templates. The editor is easy to use, but it still takes time to get the nuances of your brand into the messaging.

What problems is Klaviyo solving and how is that benefiting you?

We've had such a basic email strategy in place for so many years. Adding Klaviyo to the toolbelt is allowing us to rapidly harvest some of the low hanging fruit that we've been missing out on, and grow what should have always been a strong channel for our brand.

Small Business (50 or fewer emp.)
Feb 21, 2023
 Source
Overall Rating:
4.5
JF
Jenna F.
Founder
Share
"Love Klaviyo, So User Friendly"
What do you like best about Klaviyo?

I love how use friendly it is to create flows, segment, make updates on the fly. The people behind it are also awesome. But most of all i love the flows!!!!!!!!!

What do you dislike about Klaviyo?

We had issues with deliverability. For that reason we had to switch off but I want to go back if you made improvements. It would be super helpful to have deliverability help.

What problems is Klaviyo solving and how is that benefiting you?

Ease to segment our list and talk to each client in a personal way. We are a multi brand retailer so this was crucuial in our success. It's definitely benefitting us

Small Business (50 or fewer emp.)
Feb 21, 2023
 Source
Overall Rating:
4.5
BO
Bonnie O.
Founder
Share
"Easy and efficient"
What do you like best about Klaviyo?

The platform is very intuitive and easy to use. The help articles typically provide quick solutions in addition to the chat box. I enjoy using Klaviyo for email marketing.

What do you dislike about Klaviyo?

At times I wish there were more integrations and a better dashboard for metrics. The ability to build custom reports is nice, but ideally, I would like to have the option to build out more interactive dashboards.

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo is our sole email marketing platform. We use it to communicate with both new and existing customers. The segmentation allows us to understand different audiences and evolve our campaigns or email flow messaging as needed.

Mid Market (51-1000 emp.)
Feb 21, 2023
 Source
Overall Rating:
4.5
Courtney A. avatar
Courtney A.
Paid Advertising Strategist
Share
"Powerful tools for marketing across the board"
What do you like best about Klaviyo?

It's ability to sync with multiple platforms, ease of creating lists and auto refreshing.

What do you dislike about Klaviyo?

Sometimes the syncing between platforms is strange and buggy, particularly with Facebook and Lead Gen.

What problems is Klaviyo solving and how is that benefiting you?

Dynamic lists of purchasers, subscribers, etc. so that I can create better audiences to target on Meta.

Mid Market (51-1000 emp.)
Feb 21, 2023
 Source
Overall Rating:
4.5
Lynda F. avatar
Lynda F.
Vice President Finance & Operations
Share
"cfo"
What do you like best about Klaviyo?

integrations with other apps enjoy the tutorials appreciate the helpful tips

What do you dislike about Klaviyo?

some limitations but generally works well

What problems is Klaviyo solving and how is that benefiting you?

Email segmentation

Mid Market (51-1000 emp.)
Jan 13, 2023
 Source
Overall Rating:
4.5
SK
Sai Raj K.
Digital Consultant
Share
"Best Email Marketing software for Small and Mid Businesses"
What do you like best about Klaviyo?

+ Email outreaches and nurturing can be automated and runs superb. + Only software where email templates are too wide and diverse, but also more suited towards the B2B + In B2C arena, it integrates with almost all ecommerce software. We have done with Shopify, Bigcommerce and even Prestashop and Wix. + Emails have excellent options to customize on simple level. No hard coding.

What do you dislike about Klaviyo?

+ Pricing plans are not flexible and are on higher side when it comes to more members of the list. Initial price is less. + Customer support must be faster and much helpful. Believe me! Some of their members themselves are not aware of quite a few technicalities and complexities. + And boy! formatting of fonts is made hugely difficult. But this is usually a problem with lot of other mail providers.

What problems is Klaviyo solving and how is that benefiting you?

+ Easily integrable. Email marketing can begin asap and no need to have any other plans faster. Its a quickstart solution. When you have shopify plus, go ahead with Klvaiyo asap. + Ecommerce design and template options are embedded so really no need to hire a graphic person and this saves massive cost. + SMS marketing is hugely advantageous since its integrated already. We have used Twilio later though for SMS but initially amazing to start with.

Small Business (50 or fewer emp.)
Dec 22, 2022
 Source
Overall Rating:
4.5
CE
Cassandra E.
Executive Administrator
Share
"Klaviyo"
What do you like best about Klaviyo?

The snapshot on the dashboard makes it really easy to view everything at once

What do you dislike about Klaviyo?

Cost, could be more affordable for small business owners

What problems is Klaviyo solving and how is that benefiting you?

Sales and email marketing

Small Business (50 or fewer emp.)
Dec 10, 2022
 Source
Overall Rating:
4.5
Luke V. avatar
Luke V.
Customer Success Specialist
Share
"User-Friendly Platform"
What do you like best about Klaviyo?

Klaviyo is great for beginners and advanced users alike. The segmentation and filter options you have for email marketing campaigns are best-in-class and the UX of the platform is superb. Highly recommend for marketing purposes in all types (email, SMS, etc...).

What do you dislike about Klaviyo?

As someone who is a beginner in the e-commerce design and development space, I found it a little difficult to understand some terms and setup options with the platform. Due to its appeal for beginners like me, I think it would be cool if Klaviyo added little pop-up question-mark widgets next to elements of their platform that can explain in real-time what that element does.

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo is solving the complexity of digital marketing by making it so accessible and user-friendly for everyone of all types of marketing experience. I benefit greatly from their platform because I am fairly new to digital marketing and upon using the platform, I felt like an expert!

Small Business (50 or fewer emp.)
Nov 09, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Magnificent App"
What do you like best about Klaviyo?

This app made our email marketing easier. It has a feature to create landing page, pop ups and newsletter sign up that help us collect more emails for our marketing project.

What do you dislike about Klaviyo?

It is not easy to create pop-ups and newsletter signs up for first-timers. It took me some time to watch videos on how to make it and know how it functions around the app. However when I finally made my 1st pop up, I made my 2nd in less than 5 minutes.

What problems is Klaviyo solving and how is that benefiting you?

It made our incoming emails, organized and easier to check. It has an amazing feature that allows us to group our gathered emails. Then we can make a campaign that is more suitable for each email group.

Small Business (50 or fewer emp.)
Nov 04, 2022
 Source
Overall Rating:
4.5
PO
Pawel O.
E Commerce Manager
Share
"Easy to use."
What do you like best about Klaviyo?

Dashboard looks nice.Easy to use, both campaigns and flows.

What do you dislike about Klaviyo?

With custom payment method it's hard to change email distribution between accounts.

What problems is Klaviyo solving and how is that benefiting you?

Email automation. We are experimenting with different kind of flows (browse abandoned, cart abandoned emailed etc).

Small Business (50 or fewer emp.)
Oct 28, 2022
 Source
Overall Rating:
4.5
Matt Lyndon C. avatar
Matt Lyndon C.
Virtual Assistant
Share
"Great App"
What do you like best about Klaviyo?

It is a great app to organize email messages from our website. We can also use the contacts for our email marketing easily. They realy help you in email marketing and they have an excellent support.

What do you dislike about Klaviyo?

When we created a landing page using klaviyo. It is great that they have that option however options is very limited. I think it is better if they could improve this.

What problems is Klaviyo solving and how is that benefiting you?

Email marketing, it is easy to target our desired audiences since we can group it right away. The landing page creation is great too since we can gather more emails by creating giveaways in exchange of their email addresses.

Small Business (50 or fewer emp.)
Sep 09, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Happy with the Klaviyo experience"
What do you like best about Klaviyo?

Easy to create segments and templatized emails.

What do you dislike about Klaviyo?

The lack of smart AI to better identify products a customer is most likely to buy, but mak not have discovered.

What problems is Klaviyo solving and how is that benefiting you?

It is a high driver of revenue and allows us to quickly put together hot market content to our customer in a short amount of time

Mid Market (51-1000 emp.)
Aug 31, 2022
 Source
Overall Rating:
4.5
RB
Rich B.
D
Share
"The most robust ESP for Shopify stores. Easy integration and user interface."
What do you like best about Klaviyo?

Easy integration with Shopify and all of our apps

What do you dislike about Klaviyo?

SMS is not the best yet and the reporting could use some help.

What problems is Klaviyo solving and how is that benefiting you?

Customer retention.

Small Business (50 or fewer emp.)
Aug 31, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Works well, provides great data options"
What do you like best about Klaviyo?

Ease of use and implementation. Easy for all areas from analytics to CS agents to adopt.

What do you dislike about Klaviyo?

Nothing so far - maybe lack of integration with other tools.

What problems is Klaviyo solving and how is that benefiting you?

Email segmentation, reporting and tracking.

Small Business (50 or fewer emp.)
Aug 18, 2022
 Source
Overall Rating:
4.5
CH
Chris H.
Marketing Director
Share
"Klaviyo is an advanced piece of marketing software"
What do you like best about Klaviyo?

One place to manage customers and communicate with them.

What do you dislike about Klaviyo?

I have issues with Magento 2 multistore where it merges products from 3 stores.

What problems is Klaviyo solving and how is that benefiting you?

It mainly runs automatically, all I have to do is think about newsletters/campaigns.

Small Business (50 or fewer emp.)
Aug 18, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Powerful Email Marketing Tool"
What do you like best about Klaviyo?

It's very user-friendly. I like all the options for customization and segmenting audiences.

What do you dislike about Klaviyo?

The price. It's more expensive than I'd prefer for a small business.

What problems is Klaviyo solving and how is that benefiting you?

The ability to reach many customers at once and segment them into different groups based on their interests.

Small Business (50 or fewer emp.)
Aug 18, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"If you run an Ecommerce you need this."
What do you like best about Klaviyo?

Klaviyo has made it incredibly simple to create personalized campaigns and automated sequences to move your customers (and potential customers) through each stage of the buying cycle. Prior to using Klaviyo we essentially had one email list and very little segmentation, and because of this nearly everyone received the same email blast. Now we have welcome sequences for people that opt into our email list, cart abandonment sequences, browse abandonment sequences, winback sequences for people that haven't bought in a while, and more. The Facebook integration is also a nice touch because it allows us to automatically update our Facebook audiences as people join our list or make a purchase.

What do you dislike about Klaviyo?

There isn't a lot to fault with Klaviyo, but the two I would say are probably the biggest are the price and the support. We utilize enough of the automation and segmentation tools to justify the cost, but it's something that you need to consider before joining. Secondly, support is limited to email and live chat. This can be tricky if you have a problem that requires immediate support.

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo has allowed us to introduce powerful segmentation, allowing us to send relevant messages to customers at each point in the buying cycle, rather than sending email blasts to everyone on our list.

Small Business (50 or fewer emp.)
Aug 17, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"We used Mailchimp before, and Klaviyo is just in another league."
What do you like best about Klaviyo?

I especially love the fact that you can hyper-accurately target specific users based on their behavior and your e-commerce data. You can also use this targeting to create genious flows.

What do you dislike about Klaviyo?

The biggest downside of Klaviyo is its editing tool. Though more advanced than competitors like Mailchimp, it lacks essential features like a undo button, which can be immensely frustrating.

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo is helping us generate sales, and efficiently use our subscribers in a profitable way. Furthermore, Klaviyo is also assisting us in making more people sign up for our newsletter.

Small Business (50 or fewer emp.)
Aug 17, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Easy to Use Email Campaign Service"
What do you like best about Klaviyo?

As a small business, we use Klaviyo to send email campaigns about 6 times per year. Klaviyo has incredible customer support that has helped us a few times when needed. The email flow feature has been incredibly useful for our business and the way it's easy to segment customers is very useful. The email Subject Line Assistant is a great feature too. Looking forward to Klaviyo's partnership with Shopify. If the two are more integrated, that would put Klaviyo at the top of the list!

What do you dislike about Klaviyo?

Would appreciate even more email templates to choose from or possibly an integration with Canva? We don't like the lack of customization when it comes to email creation. Without having to enter custom HTML code, the drag and drop editor could be better. Specifically, we'd like to use more fonts and have a smoother transition between mobile and desktop email customization. We want to enter specific font sizes when it comes to mobile and desktop fonts and not have to choose from a preselected font size from a drop-down menu.

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo is helping us send automatic emails to new newsletter subscribers and helping us email automatic discount codes to customers that sign up to receive email notifications from us in the future.

Mid Market (51-1000 emp.)
Aug 17, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"The very best in email marketing platforms"
What do you like best about Klaviyo?

A powerful digital marketing platform which provides an in-depth look at the consumer journey and how best to connect. Klaviyo becomes more powerful as you plugin eCommerce platforms and other data enrichment platforms.

What do you dislike about Klaviyo?

Klaviyo can have a steep learning curve at times, especially for those users coming from a similar platform such as Mailchimp. Certain, basic functionality within Mailchimp can be buried within a complex setup procedure within Klaviyo.

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo is enabling us to build out a robust, always-on and tailored eDM solution. With powerful automations, we are now connecting and re-engaging with our consumers at relevant times within their purchasing journey.

Small Business (50 or fewer emp.)
Aug 17, 2022
 Source
Overall Rating:
4.5
LZ
Luca Z.
H
Share
"Great, intuitive for E-commerce"
What do you like best about Klaviyo?

Klaviyo is clearly built for E-commerce. Its customizable and template options allow you to easily target and drive your subscribers to your shop and/or separate landing page. The pay for active members is very fair and they automatically exclude bounced/unsubscribed emails.

What do you dislike about Klaviyo?

The search function within the database can definitely be improved. at the moment the only way to search specific attributes of subscribers (e.g company, country etc..) is to create segments. A better filter option for search would be a real asset.

What problems is Klaviyo solving and how is that benefiting you?

Engagement and. re-engagement with our subscribers on an international level. The SMS marketing is also very convenient as it is an overlooked medium by many marketers nowadays.

Small Business (50 or fewer emp.)
Aug 17, 2022
 Source
Overall Rating:
4.5
LK
Luke K.
Director
Share
"Great software, works a treat"
What do you like best about Klaviyo?

Integrations, ease of use, from day one. The support is also amazing and everyone seems very helpful and keen to assist with anything needed. The extra revenue added to stores using Klaviyo is crazy

What do you dislike about Klaviyo?

Cost, it is more costly than other alternatives but it is well worth the money but it is top end

What problems is Klaviyo solving and how is that benefiting you?

Engages existing customers, tracking is good and the simplicity is great

Small Business (50 or fewer emp.)
Aug 17, 2022
 Source
Overall Rating:
4.5
TQ
Thomas Q.
Marketing 1 E Commerce Manager
Share
"The best emailing SAAS as I know"
What do you like best about Klaviyo?

Insights and analytics, easy to build flows and email design.

What do you dislike about Klaviyo?

Little lack of building capabilities and resources/academy could be more supportive

What problems is Klaviyo solving and how is that benefiting you?

Make the emailing easier to understand and focus straight on metrics and revenue

Mid Market (51-1000 emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
TM
Tara M.
Growth Marketing Manager
Share
"Very user friendly, great templates and flows that are perfect for customer retention"
What do you like best about Klaviyo?

The ease of use, the templates, storage of our customer data.

What do you dislike about Klaviyo?

Would like more design tools, or a more sophisticated subject line generator.

What problems is Klaviyo solving and how is that benefiting you?

User emails and data storage

Small Business (50 or fewer emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
CM
Carrie M.
Ceo
Share
"Good email platform"
What do you like best about Klaviyo?

There are many options and ways to be creative

What do you dislike about Klaviyo?

There are issues sometimes with differences between the mobile and desktop version of emails. And theres no way to forward an email while maintaining its formatting.

What problems is Klaviyo solving and how is that benefiting you?

very helpful for ecom

Small Business (50 or fewer emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
ND
Nima D.
President
Share
"Fantastic platform, easy UI"
What do you like best about Klaviyo?

I love the low cost and templates and features for design

What do you dislike about Klaviyo?

SMS could use some more layers like a landing page graphic wizard

What problems is Klaviyo solving and how is that benefiting you?

Managing SMS and Email for multiple clients in one place

Small Business (50 or fewer emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
Andrew W. avatar
Andrew W.
Ecommerce Manager
Share
"The best emailing software but with a high degree of control"
What do you like best about Klaviyo?

The software allows you to create dynamic and complex email flows and campaigns. With enough attention given to your strategy, you can create a cross-selling machine based on customer activity. I also love the cross connection to other great apps and software to have a better understanding of your customer.

What do you dislike about Klaviyo?

There are 2 things that I find frustrating. 1) Understanding the software to maximize it to the full potential it has requires a ton of knowledge of how the systems are connected to your marketing ecosystem. Understanding how flows work and how they connect to each other takes a lot of time or money to hire it out. In my company, I have a full-time staff member who uses about 50% of her time to manage the building/understanding process. Once built up, it will be easier to maintain and be a revenue generator. As a non-marketing person, I dislike how hard it is but understand but I get how necessary the complexity is. 2) When using other apps that integrate into Klaviyo I often have to pay massive premiums to have API connections. I already pay for Klaviyo and the other app in their premium tiers, it makes me feel nicked and dimed for something I already pay for.

What problems is Klaviyo solving and how is that benefiting you?

It allows me to create dynamic cross-selling based on an individual's profile activity. The automation allows me to set months of content in advance with great metrics.

Small Business (50 or fewer emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
Scott B. avatar
Scott B.
Founder / Ceo
Share
"Klaviyo is the perfect email / autoresponder for your small business to grow."
What do you like best about Klaviyo?

Klaviyo is very easy to use. It also has great flexibility to setup simple and complex email flows for your business. The tracking stats are very helpful, and I really like the A/B testing to help dial in what works with the email. I also like that I can allow access to my marketing consultant to help delegate tasks.

What do you dislike about Klaviyo?

It does have a learning curve, but once you watch a couple of tutorials, that can be easily overcome. The pricing structure was a little much when I first started (three years ago), but that was handled in their new structure.

What problems is Klaviyo solving and how is that benefiting you?

Handling transactional emails (order thank you's, status udpates, and such) as well as email marketing to increase sales and repeat business are key to growing my business and servicing my customers. Klavyio makes it easy to setup the transactional emails and put them on auto pilot. It also makes it easy to setup automated campaigns to keep my in front of my customers.

Small Business (50 or fewer emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Great for ecommerce and customer service"
What do you like best about Klaviyo?

I love that the user interface is plug and play. They make it easy to learn with their academy and customer service is very responsive even when ticket volume is high.

What do you dislike about Klaviyo?

At times it is limiting in the way we can visualize different branding elements (e.g., header and footer) without custom coding the email.

What problems is Klaviyo solving and how is that benefiting you?

They do offer both email and sms all in one but their sms offering is not quite up to speed yet compared to other providers e.g., Attentive.

Mid Market (51-1000 emp.)
Aug 16, 2022
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Klaviyo takes sharing emails easily to a new level"
What do you like best about Klaviyo?

Using klaviyo, it's quite easy to navigate. One strong point that helps us test is the opportunity to see what a/b test subject line will work. I like seeing whether an email is statistically significant or not.Helps me adjust the way we send and formulate subject lines

What do you dislike about Klaviyo?

I still have my questions regarding the reporting that happens on klayvio. I don't really understand how we can formulate benchmarks as products are so different. How do we understand what types of brands are in category?

What problems is Klaviyo solving and how is that benefiting you?

Klaviyo is solving the need to create funnels easily, how klaviyo could help more is suggestive sections of what has not been built out yet or setting klaviyo reminders to check on specific flows. IE SET MY OWN REMINDER TO CHECK ON THIS FLOW.