Best Works with Shopify Checkout Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
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Oct 30, 2025
The best Shopify checkout apps help merchants maximize sales through smart upselling, flexible payment options, and advanced analytics. From AI-powered product recommendations and post-purchase surveys to customizable loyalty programs and subscription solutions, these tools integrate seamlessly with Shopify Checkout. Merchants can offer cash on delivery, partial payments, and hidden payment methods while tracking conversions and customer behavior to improve their bottom line. These essential apps work together to create a smoother checkout experience and increase customer lifetime value.
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#1. Offer deposit and split payment to improve pre-order sales and trust for customers.
Downpay offers a simple split payment and deposit solution for your pre-order products without requiring credit checks or external financing. Perfect for custom, made-to-order, and high-value items, this white-label payment system lets customers make partial payments directly within their pre-order. Merchants can collect payments through automatic card charges, manual collection, or invoice sending. The app includes a customer portal where buyers can track their split payment orders and update payment information. Fully compatible with all Shopify themes, Shopify Flow, APIs, and Hydrogen storefronts, Downpay integrates seamlessly into your existing setup. Add deposit options easily to product pages or landing pages using buy buttons and blocks, making flexible payments accessible throughout your store.Install from Shopify App Store
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#2. Launch a loyalty program in minutes — with points, rewards, VIP tiers, referrals and more.
Create a personalized loyalty program that keeps customers returning to your store. With Smile, you can reward purchases with points, set up exclusive VIP tiers, and encourage customer referrals. Run engaging promotions like double points events and special VIP pricing across all channels, seamlessly integrated with Klaviyo. Track your program's success with detailed analytics and compare performance against industry benchmarks. The platform offers complete brand customization, from your loyalty page design to rewards display at checkout. Connect with popular tools like Judge.me and Gorgias through 30+ integrations, and give customers a dedicated space to manage rewards in their accounts. Join the thousands of Shopify merchants already growing their customer base with Smile's comprehensive loyalty solutions.Install from Shopify App Store
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#3. Secure Cash on Delivery orders with WhatsApp OTP. Add fees, set rules, and reduce failed deliveries.
Secure your Cash on Delivery (COD) orders with WhatsApp OTP verification while managing delivery fees effectively. This app helps prevent fake orders by verifying buyer intent through WhatsApp before checkout completion. Set up flexible COD fees as fixed amounts or percentages to cover delivery costs and encourage prepaid payments. Create custom rules to control COD availability based on country, product type, collections, customer groups, or order value. The app supports multiple languages for OTP messages and checkout texts, making it accessible to international customers. Quick setup with detailed tutorials and responsive customer support via WhatsApp, Telegram, or email ensures smooth implementation for your store.Install from Shopify App Store
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#4. Post-purchase surveys that boost revenue—track attribution, LTV, NPS, and more.
Track your marketing success with targeted post-purchase surveys on thank you and order status pages. Understand which channels drive real sales by analyzing customer responses alongside order data and lifetime value metrics. The app lets you create essential "how did you hear about us?" surveys and measure NPS scores to better understand your customer base. Connect survey responses with popular tools like Klaviyo, Google Sheets, and Shopify Flow. Smart targeting options help you segment surveys based on customer type, products purchased, and location. Get weekly AI-powered attribution insights to make data-driven marketing decisions. Perfect for collecting attribution data, customer feedback, and segmentation information that helps grow your business. All survey responses sync directly with your Shopify orders, making it easy to track and analyze customer behavior patterns.Install from Shopify App Store
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#5. Sell curated boxes, refill subscriptions and bundles. White-glove migration from legacy apps
Create exceptional subscription experiences with Juo, the complete toolkit for managing subscription boxes, refill orders, and product bundles. Engage subscribers with progressive discounts, customizable boxes, and welcome gifts while reducing churn through a branded customer portal. The app supports multiple languages including English, Spanish, German, and Polish, making it ideal for international merchants. Our dedicated support team helps you build profitable subscription offers through email or Slack channels. Need to switch from another subscription app? Benefit from our white-glove migration service for a seamless transition. Join successful brands already using Juo Subscriptions to deliver curated boxes, mystery boxes, and personalized subscription experiences that keep customers coming back.Install from Shopify App Store
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#6. AI Upsell App to boost AOV: One Click Upsell, Post Purchase Upsell, Checkout Upselling & Bundles
Upsell.com (formerly ReConvert) is a comprehensive upsell solution that helps increase your average order value through AI-powered features. Create personalized product recommendations with one-click upsell offers, post-purchase funnels, and checkout upselling capabilities for Shopify Plus stores. The app includes smart cart upsells, thank you page offers, and product bundle suggestions based on frequently bought together items. With advanced features like checkout blocks, cart drawer upsells, and customizable upsell funnels, you can build targeted campaigns that convert. The built-in A/B testing helps optimize your upsell performance, while the AI-driven system ensures relevant product recommendations for each customer. Whether you need simple cart upsells or complex post-purchase funnels, Upsell.com provides the tools to create effective upselling strategies.Install from Shopify App Store
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#7. Confidently optimize your store. Use visual analytics & checkout tracking to make smarter decisions.
Understand exactly how visitors interact with your store using visual analytics and real-time tracking. Watch actual customer sessions to see navigation patterns and spot friction points. Dynamic heatmaps show where shoppers click and scroll, revealing what catches their attention. Track essential checkout events and monitor conversion funnels to identify where potential buyers drop off. Get valuable page-level insights and analyze user behavior without complex setup or coding. Make data-driven decisions to optimize your store's performance and improve the customer journey with comprehensive visual analytics and conversion tracking tools.Install from Shopify App Store
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#8. AI-powered product recommendations & search: cart, checkout, post-purchase upsells, and A/B testing
Rebuy's AI-powered personalization engine helps Shopify stores deliver tailored shopping experiences across the entire customer journey. From smart product recommendations in cart and checkout to intelligent search and collections, the platform optimizes every touchpoint. Merchants can implement personalized upsells and cross-sells using flexible no-code or custom solutions. The system includes post-purchase optimization, reorder pages, and A/B testing capabilities to maximize conversions. With comprehensive integrations and data-driven merchandising tools, Rebuy helps stores increase average order value and customer lifetime value while creating new revenue opportunities through post-purchase monetization.Install from Shopify App Store
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#9. Say goodbye to irrelevant payment options and costs with HidePay. Hiding, sorting & renaming easier.
HidePay gives you complete control over payment methods in your Shopify checkout process. You can hide, sort, and rename payment options based on multiple conditions including products, customer groups, geography, and cart details. The app helps reduce unwanted chargebacks and shipping fees that often impact merchant profits. For Shopify Plus stores, you can disable PayPal Express, while all merchants can hide Express Checkout buttons. Built with Native Shopify Functions, HidePay ensures fast, seamless integration with your store. The app makes checkout more relevant for customers while protecting your business from unnecessary costs. Get support through email, chat, online resources, and social media channels whenever you need help.Install from Shopify App Store
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#10. Customize Your Checkout: Free Gifts, Trust Badges, Upsells, Messages, Payment Customizations & Rules
Customize your Shopify checkout experience with essential features that build trust and increase sales. Add trust badges, customer reviews, and social proof to give shoppers confidence during checkout. Enable gift messages and delivery instructions to personalize orders, while collecting valuable customer feedback through surveys. Create smart rules for payment methods and shipping options based on specific conditions. Make your thank you page, order status, and customer account pages work harder with customizations that keep customers engaged. Add strategic upsells at checkout to increase average order value while maintaining a smooth purchasing experience. All checkout, thank you, and order status page modifications are simple to implement and help create a professional, trustworthy shopping experience.Install from Shopify App Store