Top Free Shopify Cart Modification Apps 2025

RT: Terms and Conditions Box is a useful app that adds a mandatory terms and conditions checkbox to the cart page of online stores. Customers must tick this box before they can proceed to checkout, ensuring compliance with store policies. If unchecked, a custom alert will prevent the checkout process until the box is ticked. Additionally, it logs the date and time of agreement in the order's 'Additional Details' section.

• Mandatory Checkbox: Requires customers to agree to terms and conditions by ticking a checkbox on the cart page before checkout.
• Custom Alerts: Displays an alert with personalized text if the checkbox is not ticked, preventing the checkout process.
• Timestamp Logging: Records the date and time when the checkbox is ticked, added to the order details for reference.
• Customizable Appearance: Offers various skins and animations to enhance the visual appeal of the checkbox.
• Easy Placement: Includes a visualization tool to easily select the checkbox's placement on the cart page.

The reviews highlight the app's effectiveness, ease of use, and customization options. Users appreciate its seamless integration and the added layer of customer consent management. Its free usage is especially praised, making it a highly recommended option for online sellers looking to enhance checkout compliance effortlessly.

The Keeper app helps businesses recover abandoned shopping carts and boost sales by ensuring that customers can seamlessly continue their shopping experience across multiple devices.

• Multi-device synchronization: Ensures customers' shopping carts are available across all their devices, enhancing their shopping experience and increasing the likelihood of order completion.
• Increase revenue: By recovering abandoned carts, Keeper effectively boosts sales and reduces lost revenue opportunities.
• Set-and-forget automation: Once installed, Keeper automatically manages cart recovery without the need for ongoing manual intervention.
• User-friendly interface: Designed to integrate effortlessly into existing platforms, providing a seamless experience both for businesses and their customers.

Users praise Keeper for its intuitive setup process and significant impact on reducing abandoned carts, with many reviews highlighting its seamless integration and effective automation as key advantages. The app's ability to sync shopping carts across different devices has been particularly commended for enhancing customer satisfaction and boosting sales.

XB: Sticky Add to Cart Upsell, also known as Xboost, is designed to enhance Average Order Value (AOV) and Conversion Rate (CR) with targeted features. It employs AI-Powered Cart Upsell to suggest relevant products, offers Cart Addons like Shipping Protection, and includes tools like a Free Shipping Bar and Sticky Add to Cart for boosting sales and maintaining easy access to the cart.

• AI-Powered Cart Upsell: Suggests relevant products to efficiently increase order value.
• Cart Addons (Shipping Protection): Provides added security with shipping protection options.
• Sticky Add to Cart Button: Keeps the button visible to continually boost conversion rates.
• Express Payment: Streamlines the checkout process for a better customer experience.
• Trust Badges and Announcements: Builds customer trust and prompts quick actions with countdowns.

The XB: Sticky Add to Cart Upsell app stands out for its flawless performance, user-friendly design, and impressive support team. Users highlight the app’s reliability, ease of use, and the exceptional responsiveness of the customer support. The combination of powerful features and effective support makes it a highly recommended solution for boosting e-commerce efficiency and sales.

KwikCheckout With Smart COD is a one-click checkout app designed to enhance cash-on-delivery operations and boost overall sales through prepaid conversions. It provides advanced features such as smart login, address validation, and diverse prepaid payment methods to improve checkout conversions and reduce return rates. With quick installation, various customization options, and insightful analytics, it caters to a seamless and efficient purchase experience.

• One-Click Checkout: Simplifies the purchasing process with a single click, improving customer experience and conversions.
• Comprehensive COD Suite: Offers features like COD OTP, Captcha, and fee to verify customer intent and reduce fake orders.
• Smart Analytics & Insights: Provides risk-based insights to optimize RTO interventions and improve decision-making.
• Address Validation & Smart Login: Ensures accuracy in deliveries with verified addresses and enhances customer logins.
• Customizable Discounts & Offers: Increases average order value with flexible discount options and free gifts.

The app is highly praised for its reliable and responsive customer support, making cash-on-delivery services easier and more efficient. Users commend the team's promptness and dedication in resolving issues, as well as the app’s ability to integrate smoothly and reduce RTOs effectively. The outstanding support and user-friendly features consistently receive a 5-star rating, making KwikCheckout a highly recommended choice for businesses seeking an enhanced COD experience.

UpCart is a comprehensive drawer cart builder designed to enhance the shopping experience by providing an intuitive, customizable cart interface that aligns with your brand. It boosts sales through upselling and cross-selling features, and helps to minimize cart abandonment with sticky cart buttons.

• Brand Consistency: Offers customizable cart designs that seamlessly integrate with your site’s branding for a cohesive shopping experience.
• Upselling and Cross-Selling: Includes modules for in-cart promotions to increase average order value (AOV), including free shipping or discount promotion bars.
• Announce Updates: Allows brands to relay important messages and updates directly within the cart interface via announcements.
• Sticky Cart Button: Enhances cart visibility and accessibility, encouraging customers to proceed with their purchases and reducing abandonment.
• Add-On Options: Enables the inclusion of additional products or services, such as shipping insurance, directly within the cart for customer convenience.

Based on user reviews, UpCart is praised for its substantial impact on increasing average order value and its exceptional customer service, making it indispensable for Shopify store owners. Its reasonably priced dynamic cart solution and responsive, expert support team make it a standout tool in ecommerce management.

Slide Cart, Sticky Add To Cart is designed to increase your Average Order Value (AOV) and boost conversion rates by offering a seamless shopping experience. It features a Sticky Add to Cart bar and Slider Cart Drawer that allow customers to add notes, apply discount codes, estimate shipping rates, and more without navigating away from the current page.

• Sticky Add to Cart: Keeps the add to cart button constantly visible as customers scroll or swipe, improving user experience and increasing conversion rates.
• Cart Upsell: Encourages additional purchases by recommending frequently bought together items directly in the cart.
• Sticky Cart Drawer: Allows customers to view and interact with their shopping cart without leaving the current page, streamlining the checkout process.
• Customization Options: Offers free shipping progress bar, countdown timer, and tools for applying notes, terms, and conditions, and trust badges.
• User Interface: Clean, user-friendly, and fully customizable slide cart UI that enhances shoppers' overall experience.

Based on reviews, the app's standout advantages include its easy integration, user-friendly, customizable design, and its ability to significantly enhance the shopping experience. It effectively increases revenue and AOV, making it a must-have for any Shopify store looking to boost sales.

CartBot: Gift with Purchase is a versatile app that allows you to automatically add specific products or gifts to a customer's cart when they buy designated products. This user-friendly app enables easy configuration, editing, and removal of these offers to enhance the shopping experience effortlessly.

• Automatic Product Addition: Seamlessly adds specific products or gifts to customers' carts when they meet certain purchase criteria.
• Configurable Cart Bots: Provides flexibility to easily configure, edit, or remove bots based on your promotional needs.
• Advanced Quantity Conditions: Includes features to set minimum and maximum quantity conditions for added gifts.
• Reverse Bot Setup: Innovative feature to automatically remove gifts if purchase conditions are not fulfilled.
• Cart Value-based Gifting: Enables creation of bots to add gifts based on the total cart value.

CartBot has received high praise from users for its simplicity, effectiveness, and cost-efficiency. Reviewers highlight its easy setup and immediate results, making it a standout solution for businesses looking to enhance their cart offerings without the hassle and expense associated with other apps. Many users found it a lifesaver for their unique promotional needs.

The Slide Cart Drawer by AMP is designed to enhance your store's average order value through features such as progress bars, cart upsells, and free gifts. It offers a visually appealing, sticky cart drawer that ensures easy accessibility and reduces cart abandonment. Recent updates include Single Click Shipping Protection Upsells and new Cart Upsell UI options used by leading brands.

• Cart Upsell & Cross Sell: Suggests frequently bought together items right in the cart.
• Rewards Progress Bar: Encourages customers to spend more by displaying spending goals.
• Free Gifts: Allows offering of gifts when customers reach certain buying criteria.
• Discount Bar: Provides the ability to apply and stack discount codes directly in the cart drawer.
• Sticky Cart Drawer: Offers a floating cart that remains accessible from anywhere on the site.

The Slide Cart Drawer app stands out for its exceptional customer service and ease of setup, as reflected in user reviews. Customers praise the app's reliability, its ability to seamlessly integrate and enhance the store's functionality, and the quick response time by the support team. The app is highly recommended for its customizable features and substantial positive impact on user experience.

iCart Cart Drawer Cart Upsell enhances the shopping experience by transforming adds to carts into sales using customizable features, such as a sticky cart and cart drawer. It offers a diverse range of upselling and cross-selling tools, including progress bars and free gifts, to encourage additional purchases and maximize revenue.

• Upselling and Cross-selling: Increase average order value (AOV) with effective in-cart upsell and cross-sell options.
• Sticky Cart Drawer: Minimize cart abandonment by maintaining a visible slide cart or mini cart.
• Cart Discount: Enhance your cart with volume discounts, free gifts, and purchase discount codes.
• Progress Bar: Encourage more purchases with a free shipping bar and gift incentives.
• Countdown Timer: Instill urgency in product upsell offers to boost sales.

The iCart app is highly praised, as seen in user reviews. It is lauded for increasing sales by at least 10% due to upselling features, providing responsive and professional customer support, and offering seamless cart functionality. Users have described it as easy to use, with significant improvements in store operations, making it a highly recommended tool for boosting revenue and optimizing ad conversions.

The In Cart Upsell & Cross-Sell Shopify App is designed to boost average cart values by creating customized upsell and cross-sell offers. It enhances the shopping experience through personalized triggers and rules, and allows businesses to optimize their strategies with A/B testing and an intuitive analytics dashboard. Set up in just 3 minutes, this powerful app is perfect for maximizing revenue through targeted upselling and cross-selling.

• Conditional Logic & Triggers: Personalize shopper experience by setting specific conditions and triggers for upsell and cross-sell offers.
• A/B Testing: Optimize upsell strategies by testing different approaches and measuring their effectiveness through easy-to-use A/B testing tools.
• Intuitive Analytics Dashboard: Gain valuable insights into conversion patterns with a comprehensive and easy-to-read analytics dashboard.
• Quick Setup: Get started with upselling and cross-selling in under 3 minutes with an easy setup process.
• AI Autopilot: Leverage AI technology to automatically enhance upselling and cross-selling strategies for better results.

Based on user reviews, the app's outstanding advantages include the exceptional customer support provided, particularly by a team member named Lasandra, who ensures seamless integration and customization help. Users appreciate the ease of use and the app's comprehensive capabilities to enhance sales through flexible cross-selling and upselling options.

Slide Cart: Sticky Cart Drawer is a Shopify app designed to enhance the standard shopping cart by transforming it into a sticky cart experience. It features a dynamic cart drawer, fast cart popups, and order management capabilities, simplifying the "Add to Cart" process for online stores.

• Sticky Cart Shopify: Upgrades the default cart to a sticky cart experience, enhancing user engagement.
• Fast Cart Popup: Provides quick access to cart details, improving checkout efficiency.
• Bulk Cart Management: Facilitates bulk order processing with ease, optimizing order management.
• Personalized Cart Messages: Allows customization of messages to customers, fostering better connection and upsells.
• Seamless Cross Cart Experience: Enhances shopping experience by creating smoother transitions between cart and store.

The app is highly praised in reviews for its ease of integration, top-notch customer support, particularly from Anne, and the significant impact it has on reducing cart abandonment rates while improving user experience. Users appreciate the customized features without unexpected fees, and many have noted a direct increase in sales after implementing the app in their stores.

Sticky Buy Me - Sticky Buy Button is a user-friendly app designed to enhance your shopping experience by minimizing cart abandonment and simplifying the checkout process. It features sticky add to cart buttons, quick purchase options, and attention-grabbing animations while automatically aligning with your store's branding and seasonal themes.

• Sticky Add To Cart Buttons: Keeps critical purchasing options visible to customers, reducing the likelihood of cart abandonment.
• Quick Buy Button: Allows customers to make purchases directly from the homepage and collections, streamlining their shopping experience.
• Remember My Cart: Enables customers to access their cart across multiple devices, providing a seamless shopping experience.
• Brand Integration: Automatically adapts to your store's branding and offers seasonal themes for a cohesive look.
• Shopify OS 2.0 Compatibility: Fully compatible with Shopify’s Online Store 2.0 themes, ensuring smooth integration.

The app is highly praised for its simplicity and effectiveness, with users noting significant improvements in sales potential and user experience. Its easy setup and customization are particularly lauded, making it a valuable tool for any store looking to boost engagement and enhance customer satisfaction.

SEOAnt ‑ Sticky Add To Cart is designed to enhance the shopping experience by providing convenient mini or floating sticky carts, reducing user friction, and boosting product checkout rates. The app includes features like a sticky add-to-cart banner, real-time urgency countdown timer, and full customization options, driving increased conversions.

• Sticky Cart Options: Choose between a mini shopping cart and a floating sticky cart to simplify the user's shopping process.
• Sticky Add to Cart Banner: Display a prominent banner on your homepage to capture customer attention and encourage more sales.
• Urgency Countdown Timer: Implement a real-time countdown timer to create urgency and drive higher conversions.
• Quick Buy Button: Seamlessly add a quick buy button to reduce abandoned carts and improve the user experience.
• Full Customization: Customize the sticky cart to align with your store's branding for a cohesive look and feel.

The app's outstanding advantages, as highlighted in reviews, include ease of integration, enhanced customer engagement through intuitive design, and a significant reduction in cart abandonment rates, ultimately leading to increased sales and customer satisfaction.

Essential Free Shipping Upsell is a powerful tool for e-commerce retailers designed to boost sales by encouraging customers to spend more for free shipping. By showing customers how close they are to achieving free shipping, this app motivates them to meet predefined cart goals, enhancing the average order value through integrated upselling and cross-selling strategies. Easily customizable, it supports various languages, currencies, and themes.

• Placed Anywhere: The app's progress bar can be positioned flexibly on product pages, cart pages, cart drawers, or as an announcement bar for optimal visibility.
• Boosts Average Order Value: Includes the ability to add product upsells, cross-sells, and cart upsells to encourage higher spending.
• Revenue-Oriented: Tracks and reports on additional revenue generated by the app's features, providing clear insights into its financial impact.
• Highly Customizable: Offers the ability to fully customize the cart goal progress bar or use pre-made styles to match branding and design preferences.
• Extras: Supports multiple languages, different currencies, and Online Store 2.0 themes, ensuring compatibility and accessibility.

The app stands out for its exceptional customer service, receiving numerous five-star reviews for quick and efficient support, which ensures a smooth user experience. Reviews highlight its user-friendliness and effective features that cater to various needs, enhancing functionality while remaining cost-effective, making it a highly recommended choice among users.

Slide Carty ‑ Upsell & Gift is designed to enhance your store's Average Order Value (AOV) and profits by integrating a customizable SlideCart. It features Upsells, Cross-Sells, automatic product recommendations, and a progress bar that incentivizes customers to spend more through rewards like Free Shipping, Order Discounts, and Free Gifts.

• Upsells & Cross-sells: Recommend best-selling and relevant products to increase sales.
• Progress Bar & Rewards: Encourage higher spending with incentives and milestones.
• Sticky Cart: Keep the cart button visible to facilitate quick purchases.
• Colors & Theme: Customize the SlideCart to align with your store’s brand aesthetics.
• Texts & Translations: Modify text elements in any language to reach a global audience.

The app receives outstanding reviews, lauded for its intuitive and easy-to-use interface that significantly boosts conversion rates and reduces cart abandonment. It offers seamless integration across various themes, exceptional customer support, and powerful customization features that enhance the professional appearance of any online store. Customers appreciate its effectiveness and the smooth, professional look it adds to their sites.

Corner Free Gift & Cart Upsell allows e-commerce store owners to offer multiple free gifts or let customers select from a list of gifts, utilizing regular inventory products. It simplifies inventory management by avoiding $0 product creation and maximizes conversion through smart upsells.

• Multiple Free Gifts: Offer numerous free gifts simultaneously or allow customers to choose from a selection, enhancing customer satisfaction.
• Inventory Management: Use regular inventory items as gift options without creating $0 products, maintaining inventory integrity.
• Smart In Cart Upsells: Offer upsells such as frequently bought together products directly in the cart for increased sales.
• One Click Upsell: Simple upsell options like gift wrapping can be activated with a single click.
• Multi-tier Progress Bar: Offer gifts and shipping based on total cart value, encouraging higher cart totals.

Corner Free Gift & Cart Upsell is highly rated for its exceptional functionality, user-friendly customization, and outstanding customer service. Users appreciate its seamless integration during high-volume sales periods and its diverse features that outshine other apps, boosting cart value and conversion rates effectively.

The TnC: Terms and Conditions Box app allows store owners to effortlessly add a customizable checkbox to various points on their online store, ensuring that customers agree to important policies before completing a purchase. This feature is vital for compliance with legal requirements and offers flexibility across different store pages and transactions.

• One-click Installation: Easily add a terms and conditions checkbox to your store's cart page and Ajax popup cart drawer with just one click.
• Versatile Usage: The checkbox can be customized for various purposes like terms of use, shipping policies, legal agreements, and RGPD/GDPR compliance.
• Integration Capabilities: Supports express checkout payment gateways such as PayPal, Apple Pay, and more.
• Geolocation-specific Checks: Show the checkbox for specific products and visitors from selected countries.
• Customizable Placement: Can be added to contact forms, newsletter footers, and registration forms for comprehensive policy acknowledgment.

The app's outstanding advantages, as highlighted by user reviews, include its simplicity and ease of use, excellent and responsive customer support, and efficient problem-solving. Users have praised the quick and effective assistance provided by the support team, particularly when dealing with technical issues or custom setup requirements, thus ensuring a smooth experience for all merchants.

Cart Upsell—Slide Cart Drawer is a powerful tool designed to enhance your store’s sales by providing a smooth cart upsell solution. This app allows customers to seamlessly add notes, apply discounts, and estimate shipping rates without leaving the cart view, aimed at reducing abandoned carts and boosting average order values.

• Customizable Slide Cart: Drag and drop builder to fit any store theme for a personalized shopping experience.
• Dynamic Upsell Features: Includes sale max upsell without disruptive pop-ups, and product recommendations to increase sales.
• Progressive Free Shipping Bar: Encourages customers to add more items to qualify for free shipping, enhancing purchase motivation.
• Product Bundle Discounts: Offers bundle discounts directly within the cart to double profit margins effortlessly.
• Easy Integration: Integrates smoothly with Shopify stores, providing a polished cart experience that retains shopper focus on the product page.

The app’s outstanding advantages, as noted in user reviews, are its smooth integration and transformative improvement of the shopping experience, deemed easy to use even for beginners. The customizable features and responsive customer support contribute to a highly positive customer experience. Moreover, users have consistently reported increases in their average order value, making it a vital addition to their online stores.

Dr. Discount On Cart consolidates all discount code features into a single app, allowing shops to accept and apply discount codes directly within the cart. This enhances the shopping experience by displaying savings before checkout, potentially increasing conversion rates and average order value.

• Discount Stacking: Enables multiple coupon codes and automatic discounts to be combined on the cart for increased savings opportunities.
• Shipping Estimation & Free Shipping Promotion: Provides estimated shipping costs and promotes a free shipping tier, encouraging customers to reach certain purchase thresholds.
• Popup Widget for Cart Discounts: A pop-up tool to promote available discounts, capturing the shopper's attention as they navigate the store.
• No Code Self-Installation: User-friendly setup that requires no coding skills, making it accessible for all store owners to implement quickly.
• Comprehensive Discount Options: Offers a variety of discount types including BOGO, percentage discounts, flat discounts, and more, providing flexibility to store promotions.

The app's outstanding advantages, based on its reviews, include its immediate effectiveness and responsive customer support. Users have highlighted the app's ease of use and timely assistance from the support team, which make initial setup and troubleshooting efficient.

GA: Sticky Add To Cart Button ensures a seamless shopping experience by keeping the add to cart button visible as customers scroll through product pages. The app offers extensive customization options to match your store's style and employs engaging animations to capture customers' attention, all without requiring any coding expertise.

• Sticky Visibility: The "Add to Cart" button remains visible while customers scroll, enhancing user experience.
• Engaging Animations: Attracts more attention with animations, making the shopping experience more interactive.
• Powerful Customizer: Allows customization to align with your store’s aesthetics without any coding needed.
• Pre-made Templates: Utilize ready-made templates or modify them to fit your store's branding.
• Simple Configuration: Easy to set up with no technical skills required, enhancing accessibility for all users.

The app receives rave reviews for its quick and easy setup, seamless functionality, and exceptional customer support. Users appreciate the prompt assistance provided by the support team and commend the app for resolving issues they faced with other solutions, making it an attractive choice for anyone in need of a reliable sticky add to cart feature.