Best free Cart customization apps for Shopify

1. #1. Lift AOV with Frequently Bought Together Cross-sell Upsell App

   

   

   Essential Upsell & Cross Sell

   by Essential Apps

   5.0 ★ (2,439) Free plan, paid from $9.99/month

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

   Get it on Shopify → Read full review Alternatives

2. #2. Upsell & Cross Sell Aftersell + Post Purchase Upsell Funnels

   

   

   ReConvert post purchase upsell

   by Upsell.com ex ReConvert

   4.8 ★ (3,116) Free plan, paid from $9.99/month

   Sell more with ReConvert. The simplest, most powerful bundles, upsell & cross sell app. Join 40,000+ brands like yours. 5/5 (4,000+ reviews). Start Free Today!

   Get it on Shopify → Read full review Alternatives

3. #3. Boost your AOV: slide cart, upsell cart & free shipping...

   

   

   Kaching CartDrawer Cart Upsell Trending

   by Kaching Bundles & Upsells

   5.0 ★ (1,522) Free plan, paid from $9.99/month

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

   Get it on Shopify → Read full review Alternatives

4. #4. Lift AOV via Slide Cart Upsell, Sticky Add to Cart,...

   

   

   Essent Cart Drawer Cart Upsell Trending

   by Essential Apps

   5.0 ★ (1,101) Free plan, paid from $8.99/month

   Add a cart drawer with AI upsells, reward bar, free shipping goals and sticky add to cart bar. Customize with HTML and CSS. Markets and 24/7 support.

   Get it on Shopify → Read full review Alternatives

5. #5. Auto-add free gifts: GWP, BOGO, buy X get Y &...

   

   

   EG Auto Add to Cart Free Gift Trending

   by 506

   4.9 ★ (1,145) Free plan, paid from $14.99/month

   EasyGift auto adds free gifts to the cart. Run gift with purchase (GWP), BOGO and buy X get Y offers that lift order value. Free plan available.

   Get it on Shopify → Read full review Alternatives

6. #6. Slide cart drawer with cart upsell, sticky cart, free shipping

   

   

   AOV.ai Cart Drawer Cart Upsell

   by AOV.ai

   5.0 ★ (866) Free plan, paid from $15.99/month

   Upgrade your cart with a high-converting slide cart, upsells, and smart rewards.

   Get it on Shopify → Read full review Alternatives

7. #7. Lift AOV via slide cart drawer upsell, rewards bar, free...

   

   

   Amp Slide Cart Upsell Drawer

   by App HQ Pte. Ltd.

   5.0 ★ (776) Free plan, paid from $29.99/month

   Boost AOV with slide cart drawer upsells, free gifts & full cart customization - CSS, HTML & JSX.

   Get it on Shopify → Read full review Alternatives

8. #8. Sell when sold out: preorders, deposits & back in stock...

   

   

   SMART Preorder & Hide Payment

   by E-TRADE PARTNER

   5.0 ★ (611) Free plan available

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

   Get it on Shopify → Read full review Alternatives

9. #9. Cart drawer & theme cart upsells with gifts, free shipping...

   

   

   Ego Cart Drawer Cart Upsell

   by Opus Team

   5.0 ★ (559) Free plan, paid from $12.99/month

   Slide Cart Drawer Cart Upsell

   Get it on Shopify → Read full review Alternatives

10. #10. Boost AOV w/ slide cart, reward bar, upsell cart &...

    

    

    Upcart—Cart Drawer Cart Upsell

    by Rokt

    4.7 ★ (958) Free plan, paid from $29.99/month

    Upcart — custom slide cart with full design control to increase AOV and reduce cart abandonment

    Get it on Shopify → Read full review Alternatives

Rating source: Shopify App Store.