Top 96 Klaviyo Shopify Apps in September 2026

The app is consistently praised for being completely free with no hidden fees.

Users highlight the straightforward installation and intuitive interface.

Many reviews mention the extensive customization options for pop-ups and branding.

Frequent praise for fast, friendly, and effective support responses.

The app integrates smoothly with Shopify and other platforms.

Users report increased email sign-ups and conversions due to the app’s functionality.

The clean, simple interface is frequently commended.

The app runs smoothly without slowing down stores.

A few users noted the app lacks some advanced customization or targeting options.

Isolated reports of minor technical issues, though not widespread.

A few non-English users mentioned the lack of language options.

Consistently praised for being fast, responsive, and highly effective in resolving issues.

Frequently highlighted for its intuitive and quick setup process.

Users report increased sales and customer engagement due to these functionalities.

Appreciated for allowing users to tailor the app to their brand’s look and feel.

Many users value the cost-effectiveness, especially for small businesses.

Works well with various Shopify themes and requires minimal technical effort.

The app is described as intuitive and easy to navigate for both beginners and advanced users.

Users find the data on customer demand and pre-orders valuable.

Many reviews mention recovering lost sales and boosting revenue.

A few users noted the app lacks some advanced customization options for unique requirements.

A few users suggested additional features, such as persistent notifications for recurring out-of-stock scenarios.

Consistently praised for prompt, friendly, and effective assistance, often resolving issues quickly.

The app is frequently described as easy to use, with a straightforward setup and navigation.

Users appreciate the ability to tailor forms extensively to meet specific needs.

The app functions smoothly, with minimal technical issues reported during regular use.

Offers a wide range of tools and options that enhance form-building and management.

Many users highlight the app’s affordability, especially given its robust features.

Overall satisfaction is high, with many users recommending the app to others.

Some users noted a lack of detailed explanations for complex features, requiring support assistance.

The "Occasional Technical Glitches" con was removed because the reviews overwhelmingly indicate that such issues are quickly resolved by support, reinforcing the "Exceptional Customer Support" pro. The sentiment leans positive.

Consistently praised for quick, friendly, and effective assistance, often resolving issues within minutes.

The app is frequently described as intuitive, easy to set up, and simple for both merchants and customers to navigate.

Works well with platforms like Shopify, Klaviyo, and Omnisend, enhancing functionality without complications.

Boosts customer retention and repeat purchases, with features like points and rewards driving engagement.

Offers flexibility to tailor rewards and branding to match business needs and customer preferences.

Runs smoothly without noticeable lag, contributing to a positive user experience.

The free version provides substantial value, making it accessible for small businesses.

Users appreciate timely updates and improvements based on feedback.

Clean, elegant interface that enhances the customer experience and aligns with brand aesthetics.

Includes tutorials, guides, and responsive support to help users maximize the app’s features.

Some users find the pricing steep, especially for small businesses needing premium features.

Issues reported with Internet Explorer, affecting customer sign-up and rewards access.

Key functionalities like granular reporting or point expiration are locked behind higher-tier plans.

Minor delays in changes reflecting on the storefront after customization.

A few users noted confusion or dissatisfaction with the jump between free and paid plans.

The app is consistently praised for its intuitive and straightforward interface.

Quick, responsive, and helpful support team frequently highlighted.

Extensive options to personalize the app and tracking pages to match brand aesthetics.

Comprehensive tracking features and additional functionalities like real-time updates and analytics.

The app performs consistently well without major issues.

Clean, modern, and professional interface enhances the user experience.

Seamless compatibility with e-commerce platforms and carrier services.

Availability of a free plan with robust features is highly appreciated.

Professional-looking tracking pages that improve customer trust and satisfaction.

Streamlines order tracking and reduces customer inquiries about order status.

A few users mentioned potential future cost considerations when upgrading from the free plan.

The app is frequently praised for its intuitive interface and straightforward setup.

Users highlight the app’s advanced capabilities, especially for segmentation and automation.

Many reviews commend the responsive and helpful customer service.

Seamless compatibility with Shopify is a recurring positive theme.

Users report significant revenue growth and improved engagement from campaigns.

The availability of a free tier is appreciated by new users.

The app provides comprehensive data tracking and reporting tools.

Pre-built flows and automation features save time and enhance efficiency.

The clean layout and intuitive navigation are frequently mentioned.

Onboarding materials, webinars, and tutorials are valued for easing the learning curve.

The cost is cited as a barrier, especially for small businesses.

Some users experienced abrupt account closures with unclear reasons.

Canceling subscriptions is described as cumbersome and unresponsive.

Occasional technical issues, such as integration errors or feature malfunctions, are noted.

The overlapping theme of Customer Support was retained under Pros as the majority of reviews praised it, despite a few negative mentions. Slow Customer Support was removed from Cons to avoid redundancy.

The app is frequently praised for its intuitive and straightforward interface.

Users highlight smooth integration with Shopify and Klaviyo email flows.

Many note a significant increase in customer reviews after implementation.

The app’s aesthetic and layout are consistently appreciated for being modern and professional.

Users value the ability to personalize review requests and branding.

Several users find the pricing competitive compared to alternatives.

The app is described as stable and efficient in tracking orders and reviews.

Customer service is frequently mentioned as helpful and quick to resolve issues.

The inclusion of AI features is noted as a standout benefit.

Users appreciate having email, SMS, and reviews in one platform.

Non-English users report frustration with untranslated interfaces.

Many cite inflexibility in adjusting fonts, star sizes, and widget styles.

Users encounter difficulties uploading images via mobile devices.

A few users report installation errors and syncing issues with Shopify.

Responsive, knowledgeable, and available around the clock, with many users praising specific team members.

Offers extensive functionalities at no cost, including abandoned cart recovery and push notifications.

Intuitive interface and straightforward installation process, often highlighted by new users.

Automated messages and flow-chart organization significantly improve sales recovery.

Smooth operation with minimal lag, enhancing user experience.

Highly customizable notifications and campaigns to match business needs.

Notable increase in conversion rates and customer retention post-implementation.

Accommodates non-English speakers, improving accessibility.

Clean layout and logical navigation simplify usage.

Difficulty finding cancellation options, requiring support intervention.

Some users reported problems with PWA and specific browsers.

Inability to delete campaigns once created, frustrating users.

The app significantly improves data accuracy in Google Analytics, matching Shopify reports and reducing discrepancies.

Responsive, knowledgeable, and personalized assistance from the support team, often going above and beyond.

Easy setup and smooth integration with Shopify, GA4, Google Ads, and other platforms.

Provides detailed, actionable insights and custom reports for better decision-making.

Effectively tracks subscription-related data, distinguishing between first-time and recurring orders.

Resolves issues with cookie policies and GA4 updates, ensuring reliable data collection.

Support team promptly addresses and resolves technical problems.

Intuitive installation process with helpful tutorials and guidance.

Works well with headless commerce and other complex setups.

Many users report sustained satisfaction over years of use.

Some users experienced incorrect ad attribution and skewed data in reports.

Pricing tiers may be prohibitive for smaller stores with lower order volumes.

Occasional problems with Facebook CAPI and pixel integration.

Some users faced unexpected charges or limited functionality during trials.

Consistently praised for responsiveness, expertise, and going above-and-beyond to assist users.

Significant increases in sales, conversions, and engagement metrics frequently reported.

Seamless setup with Shopify, Klaviyo, and other platforms, often highlighted as intuitive.

Sleek, customizable, and professional designs that enhance brand alignment and engagement.

Streamlines email marketing workflows, reducing manual effort for users.

Tailored guidance and setup assistance, especially valued by non-technical users.

Interactive and animated graphics that improve email appeal and performance.

Frequent mentions of proactive outreach, demos, and ongoing optimization support.

Effective for businesses of all sizes, from startups to established brands.

Users report rapid payback and measurable financial benefits from using the app.

A few users noted restrictions on text length or design flexibility.

Lack of a free tier or extended trial period mentioned as a drawback.

Some non-English users reported challenges with untranslated template elements.

Not universally suitable for all business models (e.g., specific product types).