Best Cart customization apps for Shopify

Effective Apps · since 2019 · Cart customization

Add safety with age verification terms and conditions checkbox

Bundler.app · since 2022 · Cart customization

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

Codeinero · since 2016 · Banners

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

Qikify · since 2019 · Upsell and cross-sell

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

Assortion · since 2021 · Cart customization

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 · Cart customization

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

Relentless Apps · since 2023 · Cart customization

Terms and Conditions Checkbox, Checkout Rules Age Verification

Shop Doctors 🏆 · since 2021 · Cart customization

Apply stacked discount codes on cart and promote coupon codes

MakeProSimp · since 2017 · Cart customization

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

Gm infotech inc · since 2023 · Cart customization

Cart Upsell—Boost Sales with Slide Cart Drawer Offers

CWILL · since 2019 · Cart customization

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

Advan Software · since 2023 · Cart customization

Take full control of payment methods with Kip customizations.

Syncube 🥇 · since 2020 · Discounts

Boost sales with cart discounts & free shipping bar

Appfleece · since 2023 · Pay later

COD fees, payment and delivery rules with checkout validations

Hitsy Apps · since 2025 · Checkout

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

CAPITALIPLY LLC · since 2017 · Upsell and cross-sell

Boost AOV with cart upsell, free shipping bar & sticky cart

Ecom Trend · since 2020 · Checkout

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

Upnova · since 2022 · Cart customization

Craft attractive upselling offers and increase your AOV