All cart customization apps with features for custom rules

Add a "buy now" button, sticky add to cart, or whatever else helps customers complete their purchase.

30 apps with

Custom rules

Clear
We are having trouble loading your results. Try again
5.0 out of 5 stars 726 total reviews Free
Lift AOV with Frequently Bought Together Upsell and Cross-sell
Built for Shopify
5.0 out of 5 stars 712 total reviews Free trial available
Delight customers by adding targeted gifts to their carts
Built for Shopify
5.0 out of 5 stars 382 total reviews Free to install
Boost Sales with Free Shipping Bar and Free Gift in slide cart
Built for Shopify
4.8 out of 5 stars 708 total reviews Free plan available
Add a Slide Cart with a Free Shipping Bar & Upsell Cart Widget
Built for Shopify
4.9 out of 5 stars 384 total reviews Free plan available
Lift AOV via Free Shipping Bar Goal Cart Upsell and Cross Sell
Built for Shopify
4.9 out of 5 stars 447 total reviews Free plan available
Increase sales using sticky cart to keep customers engaged
Built for Shopify
5.0 out of 5 stars 512 total reviews Free plan available
Boost AOV with cart upsell offers & free shipping bar
Built for Shopify
5.0 out of 5 stars 159 total reviews Free plan available
Customize checkout behavior with conditional powerful rules
Built for Shopify
4.9 out of 5 stars 428 total reviews Free plan available
Auto add to cart a gift with purchase, BOGO, buy X get Y, etc.
Built for Shopify
5.0 out of 5 stars 428 total reviews Free plan available
AI age verification & terms and conditions checkbox generator
Built for Shopify
4.9 out of 5 stars 99 total reviews Free plan available
Charge a fee for Cash on Delivery orders & customize checkout
Built for Shopify
5.0 out of 5 stars 132 total reviews Free plan available
Boost AOV with Slide Cart, Free Shipping Bar and Free Gifts
Built for Shopify
4.9 out of 5 stars 45 total reviews Free plan available
Grow via Slide Cart Drawer, Sticky Add to Cart Bar Cart Upsell
Built for Shopify
4.8 out of 5 stars 404 total reviews Free plan available
Add slide cart drawer with in cart upsell & free shipping bar
Built for Shopify
4.9 out of 5 stars 57 total reviews Free plan available
Take full control of payment methods with Kip customizations.
Built for Shopify
5.0 out of 5 stars 55 total reviews Free trial available
Hide, sort, reoder, rename payment methods to enhance clarity
Built for Shopify
4.9 out of 5 stars 47 total reviews Free plan available
Boost conversions with auto-added free gifts and discounts.
Built for Shopify
4.8 out of 5 stars 115 total reviews Free plan available
Control your shipping rates by multiple conditions at checkout
Built for Shopify
4.9 out of 5 stars 152 total reviews Free plan available
Add sticky cart and quick buy icon to get more sales
Built for Shopify
4.8 out of 5 stars 124 total reviews Free plan available
Checkout customize to reorder, rename & hide payment methods.
Built for Shopify
4.5 out of 5 stars 26 total reviews Free plan available
Boost your AOV by offering Cart Discounts & Free Shipping
Built for Shopify
5.0 out of 5 stars 30 total reviews Free trial available
Slide cart drawer with upsell, free shipping bar & free gift
Built for Shopify
5.0 out of 5 stars 20 total reviews Free trial available
2025's ultimate cart for increased AOV! Made in Sweden.
Built for Shopify
5.0 out of 5 stars 24 total reviews Free plan available
Prevent lost sales: Hurrify urgency with a reserved cart timer
Built for Shopify
30 apps with

Custom rules

Clear
Select up to 4 apps to compare

Want to add an app?

Try Shopify free for 3 days