Best free Cart customization Shopify apps in 2026 [Updated]
PickYourApp Review Team
6 min read
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Feb 05, 2026
The Best Free Shopify cart customization apps give merchants essential tools to improve their checkout experience without spending a dime. From one-click order forms and slide cart drawers to upsell features and terms & conditions checkboxes, these apps help increase average order value and conversion rates. Whether you need custom checkout rules, free shipping bars, or reordering capabilities, these free solutions let you tailor the cart experience to match your store's unique needs while building customer trust and encouraging larger purchases.
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#1. Turn cart into conversion with sleek slide-out drawer, quick checkout & full customization.
AOV.ai Cart Drawer Cart Upsell transforms your standard cart into a sleek slide-out cart drawer with real-time updates as customers shop. This cart upsell tool helps increase AOV with irresistible offers displayed right inside the cart drawer. Fully customizable to match your store's look - adjust layout, styling, and cart elements including variants visibility. Speed up checkout with the quick "Checkout Now" button while customers can add discount codes and leave order notes for smoother order fulfillment. The slide cart features smooth animations, trust badges, and announcement bar to boost conversion. Mobile-ready and compatible with all major Shopify themes, backed by 24/7 support to help you maximize sales.Install from Shopify App Store
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#2. Lift Conversions with Sticky Cart Bar, Floating Cart, Sticky Buy Button & Express Checkout.
Increase your store's conversion rate with a sticky add to cart bar that follows customers as they browse your products. The floating cart and sticky buy buttons keep shopping options visible at all times, making purchases more convenient. Add urgency with a built-in countdown timer and share important updates through the announcement bar. The sticky cart is fully responsive, working smoothly on both desktop and mobile devices. Customize the cart design and layout to match your store's branding. The homepage sticky add to cart feature lets you promote specific products right from your main page, while express checkout streamlines the buying process. Perfect for stores looking to improve their shopping experience and make purchasing easier for customers.Install from Shopify App Store