Best Checkout apps for Shopify

Essential Bundles & Upsells · since 2024 · Checkout

Lift AOV with Frequently Bought Together Upsell and Cross-sell

506 · since 2019 · Discounts

Auto-add free gifts and BOGO offers with smart targeting rules

Kaching Bundles & Upsells · since 2024 · Upsell and cross-sell

Boost your AOV: slide cart, upsell cart & free shipping bar

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 · Marketing and conversion

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

E-TRADE PARTNER · since 2024 · Checkout

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

Avada · since 2024 · Wholesale

Order limits with min/max & limit quantity for B2B wholesale

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

StoreSpark · since 2023 · Cart customization

Customize checkout behavior with conditional powerful rules

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

Magical Apps · since 2024 · Delivery and pickup

Address Validator for Checkout Validation • Stop Bad Orders

Simesy · since 2021 · Cart customization

Sort, rename, hide payment methods with powerful payment rules

Stitch Express · since 2025 · Checkout

Built for merchants in South Africa to optimise checkout

Egohub Team · since 2024 · Upsell and cross-sell

Boost Sales w Slide cart drawer, Rewards bar, Free Gifts, etc

Bundler.app · since 2022 · Cart customization

Auto add to cart a gift with purchase, BOGO, buy X get Y, etc.