Best Cart customization apps for Shopify

Essential Bundles & Upsells · since 2024 · Upsell and bundles

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

506 · since 2019 · Discounts

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

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 · Checkout

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 · Cart customization

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

Kaching Bundles & Upsells · since 2024 · Cart customization

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

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

Square Apps · since 2024 · Cart customization

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

Cirkle Studio LLC · since 2023 · Cart customization

Control your shipping rates by multiple conditions at checkout

Advan Software · since 2024 · Cart customization

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

SCALA · since 2024 · Discounts

Offer payment method & prepaid discounts during checkout

Identixweb Limited · since 2017 · Cart customization

Allow customers to reorder or repeat past orders in 1-click

CartyLabs · since 2021 · Cart customization

Boost Sales with In-Cart Upsells, Free Gifts, Rewards & Deals

GEFA Technology · since 2024 · Cart customization

Boost AOV with upsells, free gifts, progress bar & urgency.

Shiprocket · since 2025 · Cart customization

Customizable cart with milestone rewards and upsell offers

Navidium Apps · since 2023 · Cart customization

Custom slide cart, bundles, ab testing, bundles, and discounts