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Marketing and Conversion

Top 25 Cart Customization Apps for Shopify Stores in 2026

Customize your Shopify cart with slide carts, cart drawers, free shipping bars, and add-on offers. Top cart optimization apps compared.

Apps ranked
25
With a free plan
23
Average rating
4.8 / 5
Installs we detect
129.4K
  1. 2

    Upsell.com ReConvert Bundles

    by Upsell.com ex ReConvert · 3,109 reviews

    4.8

    Frequently bought together cross-sell & post purchase upsell funnels, one click upsell & cart upsell

    What merchants say: Merchants highly recommend this app for boosting sales and average order values through its post-purchase funnels and upsell features. They appreciate the customizable thank-you pages and easy Shopify integration, noting that no coding skills are needed. The support team is praised for their quick and effective assistance, enhancing both the shopping experience and post-purchase conversions.

    Used by 40,682 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2018
  2. 3

    Essential Upsell & Cross Sell

    by Essential Apps · 2,420 reviews

    5.0

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

    What merchants say: Merchants highly recommend this app for boosting average order value through effective upsell and cross-sell strategies. They praise its easy setup, user-friendly interface with customizable options, and professional offer presentation. It supports both product and cart page offers, ensuring versatility. The integration is seamless, with no major issues reported. Merchants also appreciate the responsive and helpful support team, which assists with custom CSS and real-time issues, contributing to increased sales and revenue.

    • Free plan
    • Free trial
    • BFS
    • Since 2024
  3. 4

    Kaching Al Slide Cart Drawer

    by Kaching Bundles & Upsells · 1,484 reviews

    5.0

    Boost AOV with a custom slide cart featuring cart discount, urgency timer, free shipping bar, etc.

    What merchants say: Merchants highly praise this app for significantly increasing average order value and conversions through effective upsell features and seamless Shopify integration. They report substantial revenue gains and appreciate the geographic-specific customizations, such as free shipping thresholds. The app is noted for its easy setup, reliable performance on desktop and mobile, and excellent customer support that includes custom coding assistance.

    Used by 6,651 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2024
  4. 5

    EG Auto Add to Cart Free Gift

    by 506 · 1,136 reviews

    4.9

    EasyGift: Free gift with purchase app for auto add to cart automatic gift, BOGO & Buy X Get Y offer

    What merchants say: Merchants highly recommend this tool for automating the addition of gifts and discounts to shopping carts, boosting promotional campaigns and increasing order values. They appreciate its seamless Shopify integration and support for various sales strategies like BOGO. The setup is user-friendly and reliable, with no significant bugs reported. Customer support is also praised for its quick and effective responses.

    Used by 8,365 stores
    • Paid
    • Free trial
    • BFS
    • Since 2019
  5. 6

    Essential Sticky Add to Cart

    by Essential Apps · 1,082 reviews

    5.0

    Lift Conversions with Sticky Cart Bar, Floating Cart, Sticky Buy Button & Express Checkout.

    What merchants say: Merchants highly recommend this app for its customizable sticky 'add to cart' button that boosts sales, especially on mobile. They appreciate its ease of installation, seamless integration, and the ability to match their store's theme. The support team is praised for being responsive and effective. Overall, it's valued for enhancing functionality and customer engagement in e-commerce stores.

    • Free plan
    • BFS
    • Since 2025
  6. 7

    Essential Free Shipping Upsell

    by Essential Apps · 973 reviews

    5.0

    Increase Profits, AOV & Sales With A Free Shipping Progress Bar Cart Goal and Cart Upsell.

    What merchants say: Merchants highly praise this app for boosting average order values and conversion rates with its customizable free shipping progress bar, which encourages customers to buy more. It integrates smoothly with various themes and supports geo-location for global shipping. The app's aesthetic and performance are well-regarded, and its customer support is noted for responsiveness and helpfulness in customization and issue resolution, even on weekends.

    Used by 9,425 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2022
  7. 8

    AOV.ai Cart Drawer Cart Upsell

    by AOV.ai · 864 reviews

    5.0

    Turn cart into conversion with sleek slide-out drawer, quick checkout & full customization.

    What merchants say: Merchants highly recommend this cart drawer for boosting conversion rates and average order values, noting its effective features like the free shipping progress bar that encourages more purchases. They appreciate its smooth functionality, fast loading, and customizable options such as upsells and direct discount applications. The setup is easy, and the responsive support team is praised for quick issue resolution and customizations.

    • Free plan
    • BFS
    • Since 2025
  8. 9

    Rebuy Personalization Engine

    by Rebuy · 853 reviews

    4.7

    AI-powered product recommendations & search: cart, checkout, post-purchase upsells, and A/B testing

    What merchants say: Merchants highly recommend this app for boosting average order value and conversion rates through features like flyout carts, cross-selling, upselling, and personalized recommendations. They praise its seamless Shopify integration and reliable performance, enhancing e-commerce operations effectively. The support team is noted for their responsiveness and helpfulness. Its customization options and AI-driven automation are also highlighted for improving shopping experiences and increasing sales.

    Used by 9,335 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2019
  9. 10

    Amp Cart Drawer Cart Upsell

    by App HQ Pte. Ltd. · 773 reviews

    5.0

    Boost AOV & conversion with slide cart drawer upsells, free gifts & custom brand design support!

    What merchants say: Merchants highly recommend this app for boosting sales and average order values, noting its effective product recommendations in the cart and its clean, professional design. They value its AI-driven upsells, customizable slide carts, and seamless integration with Shopify. Exceptional customer support is frequently highlighted, with fast response times and assistance that includes custom code adjustments and proactive problem-solving.

    Used by 3,426 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2019
  10. 11

    BOLD AI Upsell & Cross‑Sell

    by BOLD · 595 reviews

    4.4

    Drive sales w/ AI Upsells, Cross Sell & Bundles. Checkout, Pre/Post Purchase, Cart Drawer & Funnels!

    What merchants say: Merchants highly recommend this app for boosting average order value and revenue through effective upselling and cross-selling, including BOGO offers and free samples. Its SMART offers and AI features are noted for their innovation, while the user-friendly interface and customizable, mobile-optimized pop-ups enhance user experience. Merchants also appreciate the responsive and professional support team, which offers personalized assistance.

    Used by 1,888 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2012
  11. 12

    ICU• In Cart Upsell Cross Sell

    by In Cart Upsell · 586 reviews

    4.8

    Increase AOV w/Targeted Upsell & Cross Sell Offers. Product Page, In Cart, Pop-ups, & Post Purchase!

    What merchants say: Merchants highly recommend this app for boosting average order value and sales through effective upselling at checkout. They appreciate its user-friendly interface, easy setup, and customizable offers based on specific products or collections. The app is noted for its reliable performance across various themes and seamless Shopify integration. Customer support is also praised for being responsive and helpful in resolving issues and assisting with customizations.

    Used by 2,156 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2015
  12. 13

    ETP Sort Hide Payment Methods

    by E-TRADE PARTNER · 569 reviews

    5.0

    Hide, sort & rename checkout payment methods based on rules like country, cart value, or shipping.

    What merchants say: Merchants appreciate this app for its ability to effectively manage payment options, enhancing the checkout process by allowing customization based on customer groups or locations. Features like hiding, renaming, and reordering payment methods are highlighted, alongside its user-friendly interface and reliable performance. The support team is also praised for being proactive and helpful. Many value the app's robust functionality and its availability at no cost.

    • Free plan
    • Free trial
    • BFS
    • Since 2024
  13. 14

    One Click Upsell ‑ Zipify OCU

    by Zipify Apps · 569 reviews

    4.6

    Maximize revenue in one click with AI-powered pre- & post-purchase upsells

    What merchants say: Merchants highly praise this app for significantly boosting average order value and sales, with upsell rates between 40%-70%. It offers customizable upsell pages and unique funnels for each product, easy setup, and immediate ROI. The app integrates seamlessly with Shopify, supported by excellent customer service including personalized video help, and features effective built-in analytics for performance tracking. Additional benefits include improved inventory management and upselling strategy optimization.

    • Free plan
    • Free trial
    • BFS
    • Since 2020
  14. 15

    TnC: Terms and Conditions Box

    by Effective Apps · 563 reviews

    4.9

    Protect your store, earn trust and avoid chargebacks with an AI-based Terms and Conditions Checkbox.

    What merchants say: Merchants appreciate this app for its ability to enforce acknowledgment of shipping and refund policies at checkout, minimizing customer queries and protecting businesses. It offers customizable checkboxes, direct policy links, and integrates smoothly with various payment systems and cart designs. Installation is simple, and the app functions well across multiple devices and themes. The support team is noted for their responsiveness and efficiency, enhancing its value for small business owners.

    Used by 3,351 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2019
  15. 16

    Opus Cart Upsell Cart Drawer

    by Opus Team · 558 reviews

    4.9

    Boost AOV & Conversions with Upsells, Cross-Sells, Free Gifts, Reward Bars & Custom Branding Support

    What merchants say: Merchants highly praise this app for its effective upselling features that increase average order values and conversion rates. They appreciate the ease of use, quick setup, and seamless integration into their stores. The customization options allow for aesthetic alignment with store themes, and the app's performance is reliable without affecting site speed. Excellent customer support and reasonable pricing for upgraded features further enhance its appeal.

    • Free plan
    • Free trial
    • BFS
    • Since 2024
  16. 17

    Monster Cart Upsell+Free Gift

    by Monster Apps · 538 reviews

    4.7

    Unlock A Suite of Powerful Offers + In-Cart Upsells + Free Gift Rewards

    What merchants say: Merchants highly recommend this app for boosting average order value and revenue with minimal effort. It integrates seamlessly with Shopify, offering extensive customization options that enhance the checkout experience. The app is easy to set up and use, featuring upselling and free gifts. Exceptional customer support is frequently praised for being responsive and helpful, even on weekends, aiding with integration and customization issues.

    Used by 3,037 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2020
  17. 18

    CartBot: Gift with purchase

    by Bundler.app · 506 reviews

    4.9

    Auto add FREE product or gift with purchase to customers' cart based on your conditions (BOGO, etc.)

    What merchants say: Merchants highly recommend this app for enhancing shopping experiences with promotions such as "Buy One Get One" offers and free gifts based on cart criteria. It's praised for easy setup, seamless integration with Shopify, and handling complex product combinations. The customer support team is noted for their quick and effective issue resolution. Merchants report improved sales and customer satisfaction.

    Used by 6,550 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2022
  18. 19

    STKY ‑ Sticky Add To Cart Bar

    by Codeinero · 496 reviews

    4.9

    More Conversions w/ Sticky Add to Cart, Quick Buy Now Button, Cart Slider, Sticky Cart & Cart Upsell

    What merchants say: Merchants highly recommend this app for its sticky add-to-cart button, quick buy options, and customizable upsell buttons, which significantly boost sales and shopping efficiency. They enjoy the festive animations like snowflakes and bats that enhance customer engagement. The app is easy to set up, supports custom CSS, and features a professional design. Reviewers also praise the responsive and helpful customer support.

    Used by 2,258 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2016
  19. 20

    iCart Cart Drawer Cart Upsell

    by Identixweb Limited · 451 reviews

    4.7

    Drive more pre-purchase sales with a slide cart drawer & boost AOV by AI cart upsells & progress bar

    What merchants say: Merchants report increased average order values and reduced cart abandonment using this app, thanks to effective upsell and cross-sell features. It offers extensive customization, enhancing shopping experiences with tools like free shipping bars and discount offers. The app is user-friendly and reliable, with a support team praised for their responsiveness and helpfulness in personal assistance through live chats and calls, boosting operational efficiency and profitability.

    Used by 987 stores
    • Free plan
    • BFS
    • Since 2020
  20. 21

    Qikify Slide Cart Drawer

    by Qikify · 420 reviews

    4.9

    Boost CVR & AOV with Slide Cart Drawer, Progress Bar, Free Gift, Cart Upsell and Sticky Add to Cart.

    What merchants say: Merchants report that this app boosts conversions and average order values by enhancing the shopping experience with a fast, user-friendly interface that maintains site speed. They praise the sleek Slide Cart Drawer and smooth checkout process, along with customizable features like sticky add-to-cart buttons and upsell opportunities. The app is noted for its reliability and ease of management, with a support team that provides quick, effective, and personalized assistance.

    Used by 90 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2019
  21. 22

    Kaching Post Purchase Upsell

    by Kaching Bundles & Upsells · 385 reviews

    5.0

    Offer one-click upsells after checkout to boost your AOV. Easy setup, seamless customization!

    What merchants say: Merchants highly recommend this app for its effective upselling features that increase Average Order Value (AOV) and boost revenue. They value the ability to perform A/B testing on discounts, the ease of setup, and the customizable funnel rules. The app's seamless integration with existing systems and its fast, efficient customer support are also praised, making it a valuable addition to eCommerce businesses.

    • Free plan
    • Free trial
    • BFS
    • Since 2024
  22. 23

    RT: Terms and Conditions Box

    by RoarTheme · 382 reviews

    4.6

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

    What merchants say: Merchants appreciate this app for its effective display of terms and conditions, ensuring legal compliance and customer awareness before purchases. They praise its easy setup, user-friendly interface, and customization options. The app also allows adding consent checkboxes on various pages and is noted for its stable performance and responsive support team. Additionally, its cost-effectiveness and efficiency in integrating legal terms into the checkout process are highlighted benefits.

    Used by 2 stores
    • Free plan
    • BFS
    • Since 2020
  23. 24

    Also Bought CBB

    by Code Black Belt · 372 reviews

    4.8

    Premium product recommendations to increase your sales via cross-sell and product discoverability

    What merchants say: Merchants appreciate this app for boosting customer experience and sales with its effective "Also Bought Together" widget. It offers seamless integration, customizable manual and automatic recommendations, and often pairs well with the "Frequently Bought Together" app. The app is known for its reliable performance and continuous improvements. Customer support is highlighted for its responsiveness and ability to swiftly resolve issues, including theme customization and technical problems.

    Used by 2,025 stores
    • Paid
    • Free trial
    • BFS
    • Since 2016
  24. 25

    Assortion: Upsell & Bundles

    by Assortion · 332 reviews

    4.9

    Increase your AOV with frequently bought together, volume discount, upsell and post purchase offers

    What merchants say: Merchants highly recommend this app for boosting Average Order Value through effective upselling, cross-selling, and bundling strategies. They report significant revenue increases and appreciate features like "free gift with purchase." The app is noted for its easy navigation, seamless integration with complex setups, and responsive customer support. It's also valued for consolidating multiple functionalities into one cost-effective platform, with continuous updates adding new features.

    Used by 500 stores
    • Free plan
    • Free trial
    • BFS
    • Since 2021

Optimize your cart experience with the best Shopify cart customization apps. Add slide-out cart drawers, free shipping progress bars, in-cart upsells, gift wrap options, cart notes, discount code fields, and trust badges to reduce abandonment.

The cart is your last chance before checkout. Pair with upsell tools for in-cart product offers, discount apps for auto-applied promotions, and cart recovery for visitors who still leave.

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