Best Checkout apps for Shopify

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

Boost your AOV with the Essential Upsell app, offering customizable product upsell & cross-sell & "add to cart" widgets. Display frequently bought ...

Kaching Bundles & Upsells · since 2024 · Checkout

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

506 · since 2019 · Promotions

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

Essential Apps · since 2022 · Upsell and bundles

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

Essential Apps · since 2025 · Upsell and bundles

Add a cart drawer with AI upsells, reward bar, free shipping goals and sticky add to cart bar. Customize with HTML and CSS. Markets and 24/7 support.

App HQ Pte. Ltd. · since 2019 · Marketing and conversion

Lift AOV via slide cart drawer upsell, rewards bar, free gifts

E-TRADE PARTNER · since 2024 · Upsell and cross-sell

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

Egohub Team · since 2024 · Upsell and cross-sell

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

E-TRADE PARTNER · since 2024 · Payments

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

Melon · since 2025 · Finding products

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

Avada · since 2024 · Checkout

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

Xboost · since 2024 · Checkout

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

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

UpsellPlus · since 2021 · Checkout

Grow AOV with cross sell, post purchase & checkout upsell

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 · Checkout

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