Best Cart customization apps for Shopify

VOL Apps · since 2026 · Upsell and cross-sell

Increase AOV with one-click upsells, cross-sells and bundles

506 · since 2019 · Cart customization

Lift AOV with auto-add free gift with purchase and BOGO offers

Effective Apps · since 2019 · Checkout

Add a terms and conditions checkbox to your store with just 1 click and require customers to agree to your store's privacy policy, shipping policy and more.

Egohub Team · since 2024 · Cart customization

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

Codeinero · since 2016 · Cart customization

Grow w/ sticky add to cart bar, quick buy button & sticky cart

Bundler.app · since 2022 · Checkout

Auto add to cart free gift with purchase, BOGO, buy X get Y

Qikify · since 2019 · Marketing and conversion

Add slide cart drawer, sticky cart, progress bar, cart upsell

Assortion · since 2021 · Product bundles

Create product bundles, volume discount, and upsell offers

Corner: Referrals, Upsell & Rewards · since 2019 · Product bundles

Slide Cart drawer with free gift, cart upsell & volume bundles

Mason · since 2020 · Cart customization

Engage, convert & upsell anonymous visitors with 30+ playbooks

EasyApps · since 2024 · Marketing and conversion

Grow via Slide Cart Drawer, Cart Upsell Sticky Add to Cart Bar

Shop Doctors 🏆 · since 2021 · Promotions

Apply stacked discount codes on cart and promote coupon codes

MakeProSimp · since 2017 · Checkout

Boost sales w/ sticky add to cart bar, quick buy & sticky cart

Cirkle Studio LLC · since 2023 · Cart customization

Checkout customize to reorder, rename & hide payment methods.

CWILL · since 2019 · Marketing and conversion

Formerly SEOAnt - Display Sticky Add to cart, Quick Buy Icon

Advan Software · since 2023 · Checkout

Take full control of payment methods with Kip customizations.

Syncube 🥇 · since 2020 · Discounts

Boost sales with cart discounts & free shipping bar

CAPITALIPLY LLC · since 2017 · Upsell and cross-sell

Boost AOV with cart slider, cart timer & cart customization

Hitsy Apps · since 2025 · Checkout

Grow AOV with progress bar for free shipping, discounts, gifts

Ecom Trend · since 2020 · Upsell and bundles

Countdown timer on cart page & side cart as a checkout timer