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.
81 apps with
Custom CSS
Clear
4.8
out of 5 stars
1055 total reviews
•
Free plan available
Add a Slide Cart with a Free Shipping Bar & Upsell Cart Widget
Built for Shopify
5.0
out of 5 stars
367 total reviews
•
Free to install
Boost Sales with Free Shipping Bar and Free Gift in slide cart
Built for Shopify
5.0
out of 5 stars
670 total reviews
•
Free plan available
Boost AOV with cart upsell offers & free shipping bar
Built for Shopify
5.0
out of 5 stars
167 total reviews
•
Free plan available
Customize checkout behavior with conditional powerful rules
Built for Shopify
4.9
out of 5 stars
853 total reviews
•
Free plan available
Boost AOV with slide cart drawer upsell and sticky add to cart
5.0
out of 5 stars
127 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
674 total reviews
•
Free plan available
Add terms and conditions checkbox to tariff & age verification
Built for Shopify
5.0
out of 5 stars
331 total reviews
•
Free to install
This Earth Month: Plant trees, remove plastic, and make impact
Built for Shopify
4.9
out of 5 stars
45 total reviews
•
Free
Grow via Cart Drawer, Sticky Add to Cart Upsell & Shipping Bar
Built for Shopify
4.8
out of 5 stars
1025 total reviews
•
Free plan available
Display Sticky Add to Cart, Quick Buy, Sticky Cart & more
Built for Shopify
4.9
out of 5 stars
411 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
813 total reviews
•
Free plan available
AI recommendations: cart, checkout, and post-purchase upsells
4.8
out of 5 stars
602 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
379 total reviews
•
Free plan available
Auto add to cart Free Gift with purchase & cart upsell
4.8
out of 5 stars
1779 total reviews
•
Free trial available
Increase Orders w/ Sticky Add to Cart Bar, Buy Button & More
4.9
out of 5 stars
212 total reviews
•
Free plan available
Increase conversion rate with a cart reserve countdown timer
5.0
out of 5 stars
403 total reviews
•
Free trial available
Add a Terms and Conditions checkbox without any hassle!
5.0
out of 5 stars
16 total reviews
•
Free
Offer cart upsells via progress bar free gifts & free shipping
4.9
out of 5 stars
38 total reviews
•
Free trial available
Boost AOV with slide cart drawer, upsell & free shipping bar
Built for Shopify
4.9
out of 5 stars
186 total reviews
•
Free plan available
Increase your revenue by having a smart Sticky Add To Cart bar
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
4.7
out of 5 stars
213 total reviews
•
Free plan available
Avoid lost sales abandonment by showing a sticky add to cart.
4.8
out of 5 stars
635 total reviews
•
Free
Increase AOV with one click Upsell & Cross Sells
4.9
out of 5 stars
74 total reviews
•
Free plan available
Hurrify sales urgency with reserve cart timer & checkout timer
Built for Shopify
81 apps with