All cart customization apps with features for custom css
Add a "buy now" button, sticky add to cart, or whatever else helps customers complete their purchase.
88 apps with
Custom CSS
Clear
5.0
out of 5 stars
392 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
667 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
432 total reviews
•
Free plan available
Add Slide Cart Drawer, Cart Upsell offers & Sticky Add to Cart
Built for Shopify
5.0
out of 5 stars
161 total reviews
•
Free plan available
Customize checkout behavior with conditional powerful rules
Built for Shopify
5.0
out of 5 stars
514 total reviews
•
Free plan available
Boost AOV with cart upsell offers & free shipping bar
Built for Shopify
5.0
out of 5 stars
430 total reviews
•
Free plan available
AI age verification & terms and conditions checkbox generator
Built for Shopify
5.0
out of 5 stars
134 total reviews
•
Free plan available
Boost AOV with Slide Cart, Free Shipping Bar and Free Gifts
Built for Shopify
5.0
out of 5 stars
253 total reviews
•
Free plan available
Cart upsells via free gifts with purchase, BOGO, free shipping
Built for Shopify
5.0
out of 5 stars
221 total reviews
•
Free to install
Plant trees, remove plastic, and make your impact
Built for Shopify
4.8
out of 5 stars
752 total reviews
•
Free plan available
AI recommendations: cart, checkout, and post-purchase upsells
4.9
out of 5 stars
176 total reviews
•
Free plan available
Display Sticky Add to Cart, Quick Buy, Sticky Cart & more
Built for Shopify
5.0
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
4.9
out of 5 stars
57 total reviews
•
Free plan available
Take full control of payment methods with Kip customizations.
Built for Shopify
4.9
out of 5 stars
151 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
404 total reviews
•
Free plan available
Add slide cart drawer with in cart upsell & free shipping bar
4.9
out of 5 stars
522 total reviews
•
Free trial available
Increase orders w/ sticky add to cart bar, buy button & more
5.0
out of 5 stars
22 total reviews
•
Free
Offer cart upsells via progress bar free gifts & free shipping
4.9
out of 5 stars
102 total reviews
•
Free plan available
Increase conversion rate with a cart reserve countdown timer
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
4.8
out of 5 stars
327 total reviews
•
Free
Increase AOV with one click Upsell & Cross Sells
5.0
out of 5 stars
21 total reviews
•
Free trial available
2025's ultimate cart for increased AOV! Made in Sweden.
Built for Shopify
4.9
out of 5 stars
31 total reviews
•
Free plan available
Avoid lost sales abandonment by showing a sticky add to cart.
4.9
out of 5 stars
218 total reviews
•
Free trial available
Add a Terms and Conditions checkbox without any hassle!
4.7
out of 5 stars
183 total reviews
•
Free to install
BOOST SALES w a Slide Kart & Upsell Side Cart UpCart
88 apps with