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Best FREE Cart customization Shopify apps in 2025

  • #1

    One click upsell and cross sell. Show frequently bought together product upsell & related products.

    Boost your AOV with the Essential Upsell app, offering customizable product upsell & cross-sell & "add to cart" widgets. Display frequently bought together (FBT), related products & product addons on product page & cart drawer. Create tailored upsell and cross-sell strategies with "also like" product recommendations, product bundles, buy x get y & one-click upsells. Offer pre-purchase discounts & automatic promotions to drive conversions with recommended products & cart frequently bought items.
    Essential Upsell & Cross Sell
  • #2

    Boost Average Order Value and CR with free shipping bar, upsell cart, cross-selling and free gifts

    Our app takes your cart customization to the next level, providing far more in-depth options compared to default cart settings. Cart can be designed to match your brand objectives. Maximize your AOV with features like multiple currencies rewards bars, cart upsells, extra gifts, and discounts. The sticky cart button ensures easy navigation and access from any pages on your store, reducing cart abandonment and increasing conversion rates.
    Opus Cart Upsell Cart Drawer
  • #3

    Add a terms & conditions checkbox. Protect your business by requiring the acknowledgment of rules.

    Add a terms and conditions checkbox to the cart page, so customers will be required to tick it before proceeding to checkout. If a customer doesn't tick the checkbox before clicking the checkout button, an alert with your own customized text will show and prevent them from continuing the checkout.The app will add the date and time of when the customer has ticked the checkbox and agreed to your terms and conditions to the order details under the 'Additional Details' section of the order!
    RT: Terms and Conditions Box
  • #4

    Another way to highlight the Add to Cart button. Many customization options are available.

    This app helps merchants add a widget to the add to cart button — a corner ribbon with a text message.Merchants can customize text content on the add to cart button! Something like "Hot!", "Sales!" etc.
    RT: Corner Ribbon Add to Cart
  • #5

    Sales Countdown Timer bar, low stock counter & cart countdown for urgency, FOMO & buy now affect.

    Cart Countdown Timer & sales countdown clock app allows you to show low stock counter and timer on your cart & product pages to boost the urgency, FOMO and encourage users to buy within the limited time.Key features of Inventory Countdown app helps in establishing social proof, scarcity, and a sense of urgency by displaying low stock counter & cart countdown timers on cart & product page.Customize the look & feel of the sales countdown and stock bar to set up in less than 30 seconds.
    TimexBar Stock Countdown Timer
  • #6

    Enhance your customer experience with one-click carbon offset options at checkout

    Carbon Checkout is the original app that first brought carbon offsets to Shopify stores, giving millions of customers the opportunity to offset the impact of their orders in one-click at checkout.We align your brand with targeted sustainability initiatives that resonate with your customer profiles, and increase conversion and brand loyalty. We help you build a compelling and differentiated shopping experience that attracts and retains customers based on values beyond price.
    Carbon Checkout
  • #7

    Boost CR, AOV & Sale with AI-Powered Cart Upsell, Cart Drawer, Sticky Add to Cart, Free Shipping Bar

    Xboost is optimized to enhance both AOV and CR with targeted features. For AOV, AI-Powered Cart Upsell recommends relevant products, and Cart Addons like Shipping Protection add value to each order. For CR, the Free Shipping Bar encourages higher spending, Sticky Add to Cart keeps the cart accessible, Trust Badges build trust, Announcements with countdowns prompt quick action, and Express Payment streamlines checkout. With Xboost, create a seamless, revenue-boosting cart experience.
    XB: Sticky Add to Cart Upsell
  • #8

    Incentivise customers to buy more with ⎯ free gift with purchase, free shipping, BOGO & Buy X get Y!

    Boost AOV with free gift with purchase, order discount or free shipping which are stackable and easily communicated to your customers with our beautiful template. You can set conditions based on cart criteria such as 'Cart value, Cart has products, Cart has X quantity'. You can reward your customers with: 'Free shipping, Order discount, Free gift'. All of the goals are configurable and localised - design, translations, currency, countdown timer. You can even hide goals from specific countries.
    Goalify • Free shipping bar 3+
  • #9

    Wowcart will provide a seamless checkout experience with virtually limitless customization options.

    We have worked tirelessly to bring you this fantastic cart drawer. It is packed with top-notch features to make your shopping experience a cut above. The cart drawer's versatile design improves the overall appearance of the store.We have many advanced features ready for you, such asUse discount code in slide cartAdd additional cart notesCart announcements & achievement barProvision for high-level customizationUpsells and cross-sell on slide cart(with UFE integration)
    Wowcart ‑ Slide Cart Drawer
  • #10

    Faster checkout with Sticky Add To Cart and Drawer Cart.

    Sticky Add To Cart helps minimize cart abandonment and maximize conversions. With its responsive design for mobile and desktop, customers enjoy a seamless shopping experience. The sticky bar ensures easy access to product variants, reducing friction and increasing add-to-cart rates. The sticky cart drawer, coupled with enticing free shipping incentives and strategic cross-selling, captivates customers and boosts sales. Say goodbye to abandoned carts and hello to success with Sticky Add To Cart.
    MyShopKit: Sticky Cart Drawer