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Best Checkout Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
•
Jul 29, 2026
The best Shopify checkout apps help merchants customize their purchase flow, increase average order value, and provide better shopping experiences. From one-click upsells and smart cart drawers to order forms and terms & conditions integration, these tools offer essential features for optimizing the final steps of your sales funnel. Whether you need COD management, minimum order rules, or cart upsell capabilities, this handpicked selection of top-rated checkout solutions delivers the functionality to convert more browsers into buyers while maintaining compliance and building customer trust.
| Name | Rate on Shopify | Price | Free trial | Key features |
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#1. One click upsell and cross sell. Show frequently bought together product upsell & related products.
Essential Upsell & Cross Sell
Free plan available | Free trial availableIncrease your average order value with Essential Upsell's smart product recommendations. Show customers frequently bought together items, related products, and add-ons directly on product pages and in the cart drawer. Create effective upsell strategies with "also like" suggestions, product bundles, and buy-one-get-one offers. The app lets you set up one-click upsells and automatic pre-purchase discounts to encourage more sales. Customize your product recommendations and cross-sell widgets to match your store's look while making it easy for shoppers to discover complementary items. Perfect for merchants wanting to grow cart value through strategic product suggestions and bundle offers. -
#2. Boost AOV with a custom slide cart featuring cart discount, urgency timer, free shipping bar, etc.
Kaching CartDrawer Cart Upsell
Free plan available | Free trial availableKaching Cart Drawer Upsell helps increase your average order value with a customizable slide cart designed to drive conversions. Add upsell sliders featuring frequently bought together products, or use simple toggles for gift wrapping and shipping protection. The app includes urgency countdown timers to encourage faster checkouts, plus free shipping and free gift bars that motivate customers to add more items. Payment icons build trust right in your cart drawer. Built with user experience in mind, this cart upsell solution requires no coding and supports translation to any language. Create and customize your slide cart to turn every shopping session into a revenue opportunity and increase AOV with proven upsell strategies. -
#3. Add a free gift or product to the cart automatically when your rule conditions are met
EasyGift automatically adds free gifts or products to your cart when specific conditions are met. Create custom rules based on cart subtotal, cart quantity, specific products, collections, or product tags. When triggered, rewards can be added silently or through a popup that lets shoppers choose their preferred variant. The app discounts rewards using its built-in Shopify Function or integrates with Shopify automatic discounts. Target your promotions by customer tag, order history, total spend, or B2B status. Set start and end dates for each rule and receive alerts when reward items go out of stock. Track performance with built-in analytics that attribute orders to each rule, and export data to CSV for deeper analysis. All rules are managed directly from your Shopify admin, making it simple to set up and maintain your free gift promotions. -
#4. Slide cart drawer with upsells, reward bar & free shipping goal. Sticky add to cart barincluded
Essential Cart Drawer adds a customizable slide cart drawer to your store with in-cart upsells, cross-sells, and reward bars featuring free shipping goals. Set up spend tiers that unlock free shipping, free gifts, or automatic discounts as customers add items to their cart. The app includes countdown timers and announcement bars to create urgency, plus a sticky add to cart bar with product images, variant picker, and quantity selector. Choose upsell products using Shopify AI or hand-pick them yourself. Full cart customization options include discount codes, order notes, payment icons, custom HTML, and multi-language and multi-currency support for global markets. -
#5. Upgrade your cart with a high-converting slide cart, upsells, and smart rewards.
This app adds a sleek slide cart drawer to your store, helping customers discover relevant products before checkout. The high-converting cart drawer includes upsells and cross-sell offers to increase average order value and reduce cart abandonment. Features include a free shipping bar that motivates shoppers to spend more, plus cart rewards, add-ons, and discounts to encourage larger purchases. The customizable layout lets you adjust styling, add order notes fields, and arrange cart elements to match your store's design. Setup takes less than 5 minutes with no coding required. The app works smoothly with most Shopify themes. Their 24/7 support team is ready to help you customize your cart drawer and optimize the checkout experience for better conversions. -
#6. Boost AOV with slide cart drawer upsells, free gifts & full cart customization - CSS, HTML & JSX.
Increase your average order value with a customizable slide cart drawer that includes cart upsells, cross-sells, and frequently bought together suggestions. Add a rewards progress bar to motivate customers toward spending goals, offer free gifts based on cart value or specific products, and create BOGO deals. The sticky cart drawer stays accessible from anywhere on your store and works seamlessly across all languages and markets. Set up takes just minutes without coding, and you get 24/7 global support. Choose from agency-grade cart templates designed for different industries, customize with CSS, HTML & JSX, and add discount announcements. Turn your cart into a revenue machine with full customization options trusted by leading D2C brands worldwide. -
#7. Validate checkout, add payment, shipping & discount rules, checkout blocks & post-purchase upsells
SMART Checkout Rules & Upsells gives merchants complete control over their checkout experience with flexible validation rules and customization options. Hide, block, sort, or rename payment methods and shipping options based on conditions like customer tags, country, cart value, products, or discount codes. Perfect for managing high-risk orders, blocking COD or specific payment methods like PayPal and Credit Card by customer criteria. Grow your average order value with one-click post-purchase upsells and downsells that appear after checkout. Add checkout blocks including banners and discount codes with conditional display rules. Apply checkout validation and discount logic based on cart total, customer tags, or delivery method. Ideal for B2B stores, international shipping flows, and merchants who need advanced checkout control without coding. Control your checkout rules and increase conversions with smarter upsell strategies. -
#8. Boost AOV & Conversions with Upsells, Cross-Sells, Free Gifts, Reward Bars & Custom Branding Support
Ego Cart Drawer Cart Upsell helps you increase Average Order Value and conversions with smart cart customization. The app offers upsell funnels, cross-sells, and frequently bought together recommendations to drive more revenue. Add free gifts based on cart variants, BOGO offers (Buy X Get Y), and progress bars to encourage customers to spend more. Use countdown timers and limited-time deals to create urgency. The rewards bar motivates shoppers to reach free shipping thresholds. Track abandoned carts with built-in analytics to understand why customers leave and recover lost sales. Features include a sticky cart button to reduce cart abandonment, smart discounts, and complete cart drawer customization—all without writing code. Turn your cart into a revenue-generating tool with this simple yet effective solution. -
#9. Frequently bought together cross-sell & post purchase upsell funnels, one click upsell & cart upsell
Upsell.com (ReConvert) is an essential upsell app designed to increase your average order value and conversion rate. This app lets you present targeted upsell and cross-sell offers throughout the entire customer journey, from product pages to post purchase funnels. Key features include product upsell, cart upsell, checkout upsell (Shopify Plus only), and post purchase upsell funnels. The app uses AI product recommendations to show frequently bought together items and related products on your product pages. You can create one click upsell offers and bundle deals that drive more revenue. ReConvert supports Shopify Subscriptions, checkout blocks for Shopify Plus stores, and includes a funnel builder for creating customized upsell and cross-sell campaigns. Whether you need cart upsells, product recommendations, or complete post purchase upsell funnels, this app provides the tools to maximize your store's revenue potential. -
#10. Hide, sort & rename checkout payment methods based on rules like country, cart value, or shipping.
Take control of your Shopify checkout payment options with ETP Sort & Hide Payment Methods. Customize how payment methods appear by hiding, sorting, or renaming options like PayPal, credit cards, Cash on Delivery (COD), and manual payments. Create specific rules based on shopping cart value, shipping method, customer location, product SKUs, or customer tags. The app lets you show only relevant payment options to different customers without any coding needed. All changes apply instantly to your checkout, making it easier for customers to complete their purchase with their preferred payment method.
