MerchantPick

Best Cart customization apps for Shopify

Last updated: Jul 16, 2026

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

    Essential Upsell & Cross Sell screenshot
    Essential Upsell & Cross Sell icon

    Essential Upsell & Cross Sell

    by Essential Apps

    5.0 ★ (2,183) Free plan, paid from $9.99/month
  2. #2. Boost AOV with a custom slide cart featuring cart discount, urgency timer, free shipping bar, etc.

    Kaching CartDrawer Cart Upsell screenshot
    Kaching CartDrawer Cart Upsell icon

    Kaching CartDrawer Cart Upsell Trending

    by Kaching Bundles & Upsells

    5.0 ★ (1,072) Free plan, paid from $9.99/month
  3. #3. EasyGift: Free gift with purchase app for auto add to cart automatic gift, BOGO & Buy X Get Y offer

    EG Auto Add to Cart Free Gift  screenshot
    5.0 ★ (997) Free plan, paid from $14.99/month
  4. #4. Increase Profits, AOV & Sales with a Free Shipping Cart Progress Bar Goal and Cart Upsell.

    Essent FreeShipping Upsell App screenshot
    Essent FreeShipping Upsell App icon

    Essent FreeShipping Upsell App Trending

    by Essential Apps

    5.0 ★ (841) Free plan, paid from $9.99/month
  5. #5. Upgrade your cart with a high-converting slide cart, upsells, and smart rewards.

    AOV.ai Cart Drawer Cart Upsell screenshot
    5.0 ★ (763) Free plan, paid from $15.99/month
  6. #6. Slide cart drawer with upsells, reward bar & free shipping goal. Sticky add to cart bar included

    Essent Cart Drawer Cart Upsell screenshot
    Essent Cart Drawer Cart Upsell icon

    Essent Cart Drawer Cart Upsell Trending

    by Essential Apps

    5.0 ★ (739) Free plan available
  7. #7. Boost AOV with slide cart drawer upsells, free gifts & full cart customization - CSS, HTML & JSX.

    Amp Slide Cart Upsell Drawer screenshot
    Amp Slide Cart Upsell Drawer icon

    Amp Slide Cart Upsell Drawer

    by App HQ Pte. Ltd.

    5.0 ★ (676) Free plan, paid from $29.99/month
  8. #8. Boost AOV & Conversions with Upsells, Cross-Sells, Free Gifts, Reward Bars & Custom Branding Support

    Ego Cart Drawer Cart Upsell  screenshot
    5.0 ★ (513) Free plan, paid from $12.99/month
  9. #9. Boost security, add checkout rules and reduce fraud with AI (agentic) Terms and Conditions Check Box

    TnC: Terms and Conditions Box screenshot
    TnC: Terms and Conditions Box icon

    TnC: Terms and Conditions Box

    by Effective Apps

    4.9 ★ (503) Free plan, paid from $4.99/month
  10. #10. Advanced upsell & cross-sell campaigns that boost AOV

    Qikify Upsell & Cross‑sell screenshot
    4.8 ★ (625) Free plan, paid from $9.99/month

    Go beyond basic promos—create advanced, strategic upsell & cross-sell offers that boost AOV.

Rating source: Shopify App Store.

How we ranked the best Cart customization apps for Shopify

We rank Cart customization apps by their Shopify App Store rating and review volume, weighted by how well each fits the use case. Ratings, pricing and free-plan details are pulled from every app's live listing and refreshed regularly.

  • Rating and review volume from the Shopify App Store
  • Category fit and how often merchants install each app
  • Pricing and free-plan transparency

Are you an app developer?

Get your app in front of the merchants browsing this directory.

Explore the developer pages