Help merchants provide a smooth checkout experience, strengthen payment options, introduce timely upsells, and communicate financing choices clearly—all within Shopify’s native checkout. Here are the top Shopify checkout & payment apps in 2026.
Free plan available
Payment & delivery-method rules
Applies conditions that control how payment and delivery methods appear in checkout, including COD fees, method visibility, renaming, and ordering—built using Shopify’s native checkout functions.
Paid
Checkout customization
Allows merchants to place messages, custom fields, and rules directly inside Shopify Checkout through Extensibility.
Free to install
COD controls & checkout optimization
Introduces COD verification, conditional COD rules, partial-COD options, and prepaid-order incentives while streamlining checkout through smart login and prefilled address details.
Free plan available
Checkout rules, payment controls & validation`
Applies detailed checkout rules for payment and shipping methods, order limits, address or cart validation, fraud checks, and post-purchase blocks—built on Shopify Functions for reliable checkout performance
Free plan + paid
Behavioral recommendations
Delivers personalized product suggestions at checkout using live shopper signals and merchandising logic.
Free plan available
Checkout, Thank-You & Order-Status customization
Tailor key checkout moments with messages, trust elements, upsells, and rule-based adjustments to payment and shipping options.
Free plan available
Payment & shipping method controls
Configures which payment and shipping options appear at checkout based on cart value, customer tags, items in the order, or location.
Free plan available
Checkout fields, rules, and upsells
Provides additional checkout blocks, custom fields, validation rules, and discount-based upsells built on Shopify’s Checkout Extensibility framework.
From $39/month
Checkout, cart, and post-purchase upsells
Creates targeted upsell and cross-sell offers in the cart, during checkout, and after purchase, using product conditions, cart rules, and one-click post-purchase acceptance.
Free plan available
Conditional payment & shipping method rules
Hides, sorts, or renames payment and shipping methods based on conditions like cart value, customer tag, country or product types — giving control over which payment options appear at checkout
Free plan available
Payment-method visibility & sorting in checkout
Enables merchants to control which payment methods show up for different customers/orders by hiding or rearranging available payment options at checkout.
From $7/month
Checkout page customization + payment & shipping logic
Supports customization of checkout page layout, payment, and shipping-method conditions, field validation, and adds flexibility to checkout flows for merchants.