Best Checkout apps for Shopify

Essential Bundles & Upsells · since 2024 · Marketing and conversion

Lift AOV with Frequently Bought Together Upsell and Cross-sell

Kaching Bundles & Upsells · since 2024 · Upsell and bundles

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

Essential Apps · since 2022 · Cart customization

Lift AOV via Free Shipping Bar Goal Cart Upsell and Cross Sell

AOV.ai · since 2025 · Upsell and cross-sell

Slide cart drawer with cart upsell, sticky cart, free shipping

App HQ Pte. Ltd. · since 2019 · Upsell and cross-sell

Add slide cart to boost AOV with upsells & free shipping bar

Essential Apps · since 2025 · Checkout

Lift AOV via Slide Cart Upsell, Sticky Add to Cart, Reward Bar

E-TRADE PARTNER · since 2024 · Upsell and bundles

SMART Checkout Rules helps merchants control the checkout experience using flexible conditions. Validate checkout or hide, block, sort, or rename p...

Watermelon · since 2025 · Finding products

Enforce Minimum Order Quantity (MOQ) and maximum limits. Control purchase quantity by product, collection, or cart. Perfect for B2B & Wholesale.

E-TRADE PARTNER · since 2024 · Payments

Hide, sort, reorder, rename payment methods with payment rules

Avada · since 2024 · Wholesale

Top Order Limits Shopify App - Manage quantities effectively to ensure products reach the right customers, prevent fraud/ block bulk purchases by single buyers

Kaching Bundles & Upsells · since 2024 · Cart customization

Boost AOV via 1-click Checkout upsells & Thank You page offers

HeroSoftware GmbH · since 2025 · Checkout

Payment rules for better conversion rate: hide, sort & rename

Xboost · since 2024 · Upsell and cross-sell

Slide Cart with Free Shipping Bar, Free Gift & Product Add-ons

StoreSpark · since 2023 · Cart customization

Customize checkout behavior with conditional powerful rules

Piric Group · since 2024 · Pay later

Advanced Cash on Delivery gives you full control over COD payments, allowing you to add fees, limit Cash on delivery by pin codes, and set order mi...

Cirkle Studio LLC · since 2023 · Cart customization

Control your shipping rates by multiple conditions at checkout

Square Apps · since 2024 · Cart customization

Keep the Sticky Add to Cart Bar visible on scroll to boost AOV

Plus Apps · since 2022 · Upsell and cross-sell

Customize Checkout Page & Thank You Page + Upsells, Free Gifts

Craftly · since 2025 · Discounts

Customize checkout rules to drive sales and reduce risk

Advan Software · since 2024 · Cart customization

Boost conversions/AOV with auto-added free gifts and upsells.