Top 15 Checkout Apps for Shopify Stores in 2026

Frequently bought together cross-sell & post purchase upsell funnels, one click upsell & cart upsell

What merchants say: Merchants highly recommend this app for boosting sales and average order values through its post-purchase funnels and upsell features. They appreciate the customizable thank-you pages and easy Shopify integration, noting that no coding skills are needed. The support team is praised for their quick and effective assistance, enhancing both the shopping experience and post-purchase conversions.

2,822 reviews given by store owners

AOV+ by bundling product addons & related products in cart upsell, checkout & post purchase upsell.

What merchants say: Merchants highly recommend this app for its effective upsell and cross-sell features, which significantly boost average order values and conversions. They praise its easy setup, intuitive interface, and seamless Shopify integration, including compatibility with cart drawers. The customizable options fit well with various store themes. Additionally, the responsive customer support through live chat and Zoom, along with a fair pricing model that includes a free tier, are particularly appreciated.

2,116 reviews given by store owners

Upcart — custom slide cart with full design control to increase AOV and reduce cart abandonment

What merchants say: Merchants highly recommend this cart drawer app for boosting average order value through effective upsell features and a free shipping bar. Its customizable, intuitive design enhances the checkout experience and supports custom code and CSS. The app efficiently handles discounts and rewards, improving conversion rates. Merchants praise its stable performance and responsive customer support, which provides personalized solutions.

724 reviews given by store owners

Boost AOV with a custom slide cart featuring cart discount, urgency timer, free shipping bar, etc.

What merchants say: Merchants highly praise this app for significantly increasing average order value and conversions through effective upsell features and seamless Shopify integration. They report substantial revenue gains and appreciate the geographic-specific customizations, such as free shipping thresholds. The app is noted for its easy setup, reliable performance on desktop and mobile, and excellent customer support that includes custom coding assistance.

603 reviews given by store owners

Boost AOV & conversion with slide cart drawer upsells, free gifts & custom brand design support!

What merchants say: Merchants highly recommend this app for boosting sales and average order values, noting its effective product recommendations in the cart and its clean, professional design. They value its AI-driven upsells, customizable slide carts, and seamless integration with Shopify. Exceptional customer support is frequently highlighted, with fast response times and assistance that includes custom code adjustments and proactive problem-solving.

555 reviews given by store owners

Add Upsell, Cross-Sell & Bundles in 8 Strategic Locations to Boost Sales, AOV & Conversions!

What merchants say: Merchants highly praise this app for boosting average order values and sales by effectively showcasing related products. It features a user-friendly interface, easy setup, and customizable options that integrate well with various themes. Merchants also appreciate the responsive customer support that aids with custom requests and maintains app stability, contributing to sustained site performance and enhanced shopping experiences.

486 reviews given by store owners

Boost CVR & AOV with Slide Cart Drawer, Progress Bar, Free Gift, Cart Upsell and Sticky Add to Cart.

What merchants say: Merchants report that this app boosts conversions and average order values by enhancing the shopping experience with a fast, user-friendly interface that maintains site speed. They praise the sleek Slide Cart Drawer and smooth checkout process, along with customizable features like sticky add-to-cart buttons and upsell opportunities. The app is noted for its reliability and ease of management, with a support team that provides quick, effective, and personalized assistance.

451 reviews given by store owners

Drive more pre-purchase sales with a slide cart drawer & boost AOV by AI cart upsells & progress bar

What merchants say: Merchants report increased average order values and reduced cart abandonment using this app, thanks to effective upsell and cross-sell features. It offers extensive customization, enhancing shopping experiences with tools like free shipping bars and discount offers. The app is user-friendly and reliable, with a support team praised for their responsiveness and helpfulness in personal assistance through live chats and calls, boosting operational efficiency and profitability.

417 reviews given by store owners

All In One Upsell app is designed to Boost Sales & AOV & encourage customers to buy more.

What merchants say: Merchants highly recommend this app for its effective upselling features that increase sales and average order values. They value its personalized product recommendations and promotions, free cost, and easy installation. The app integrates well with various themes, offers a user-friendly interface with AI-driven suggestions, and customizable add-ons. Merchants also praise the responsive customer support team for quickly resolving issues.

290 reviews given by store owners

Customize checkout using powerful checkout rules to streamline and boost checkout conversion.

What merchants say: Merchants appreciate this app for its ability to customize shipping and payment options based on location, product tags, and customer profiles, enhancing checkout experiences. It supports complex rules, including hiding express checkout options and managing transaction fees. The setup is straightforward, and customer support is highly responsive, quickly implementing new features and custom rules based on merchant feedback.

180 reviews given by store owners

All-in-One Sales Conversion App: Bundles, Volume Discounts, Countdown Timer, Add-ons, Gifts & More.

What merchants say: Merchants appreciate this app for its cost-effectiveness and array of features such as bundles, discounts, and trust badges that enhance upselling and cross-selling. It's easy to integrate and use without coding skills, boosting average order values through smart recommendations and personalized offers. The customer support is noted for its responsiveness and helpfulness, and the customization options are valued for tailoring to specific needs.

129 reviews given by store owners

Boost your AOV with checkout upsells, product & post purchase offers & thank you page editing

What merchants say: Merchants highly recommend this app for its effective upselling features that boost average order values and sales. It offers customizable options like sizing requirements and cart widgets, integrating seamlessly with Shopify. The support team is quick and accessible, enhancing user experience with checkout and post-purchase upsells. Additionally, valuable analytics help optimize upselling strategies, making it a reliable tool for improving conversion rates.

127 reviews given by store owners

Supercharge AOV and Revenue with Pre and Post Purchase One-Click Upsells.

87 reviews given by store owners

Validate checkout with smart rules, customize payment and shipping methods, and offer discounts

60 reviews given by store owners