Best Cart customization apps for Shopify

Essential Bundles & Upsells · since 2024 · Marketing and conversion

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 · Upsell and bundles

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

506 · since 2019 · Cart customization

EG Auto Add to Cart makes Free GWP, BOGOs & Upsell promos easy to run. Helping you boost AV and conversion rates.

Essential Apps · since 2025 · Checkout

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.

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

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 · Payments

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

Kaching Bundles & Upsells · since 2024 · Upsell and bundles

Offer one-click upsells after checkout to boost your AOV. Easy setup, seamless customization!

Nitro Apps · since 2023 · Checkout

AI builds your store design; CRO tools grow your revenue

Xboost · since 2024 · Cart customization

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

Relentless Apps · since 2023 · Store management

Terms and conditions checkbox checkout rules, age verification

StoreSpark · since 2023 · Marketing and conversion

Customize checkout behavior with conditional powerful rules

Cirkle Studio LLC · since 2023 · Marketing and conversion

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

Appfleece · since 2023 · Selling products

COD fees, payment and delivery rules with checkout validations

SCALA · since 2024 · Marketing and conversion

Offer payment discounts & prepaid discounts during checkout

Shop Doctors 🏆 · since 2021 · Checkout

Control shipping rates by product, zip, distance and more

CartyLabs · since 2021 · Cart customization

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

Identixweb Limited · since 2017 · Orders and shipping

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