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.
73 apps with
Custom CSS
Clear
5.0
out of 5 stars
229 total reviews
•
Free
Boost Sales with Slide Cart, Sticky Cart, Free Shipping Bar
Built for Shopify

4.8
out of 5 stars
971 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
793 total reviews
•
Free plan available
Add Sticky Add to Cart, Slide Cart Drawer to boost AOV
Built for Shopify

5.0
out of 5 stars
630 total reviews
•
Free plan available
Boost AOV with cart upsell offers & free shipping bar
Built for Shopify

4.9
out of 5 stars
147 total reviews
•
Free plan available
Customize checkout behavior with conditional powerful rules
Built for Shopify

5.0
out of 5 stars
653 total reviews
•
Free to install
Add terms and conditions checkbox for age verification rules
Built for Shopify

4.9
out of 5 stars
401 total reviews
•
Free plan available
Add sticky cart and quick buy icon to get more sales
Built for Shopify

5.0
out of 5 stars
29 total reviews
•
Free
Grow via Cart Upsell Drawer, Sticky Add to Cart & Shipping Bar
Built for Shopify

5.0
out of 5 stars
316 total reviews
•
Free to install
Formerly Sprout. GoodAPI plants trees & removes plastic waste
Built for Shopify

4.8
out of 5 stars
783 total reviews
•
Free trial available
AI recommendations: cart, checkout, and post-purchase upsells

4.8
out of 5 stars
1022 total reviews
•
Free plan available
Display Sticky Add to Cart, Quick Buy, Sticky Cart & more

4.9
out of 5 stars
211 total reviews
•
Free plan available
Cart reserve message with countdown timer to boost BFCM sales

4.8
out of 5 stars
30 total reviews
•
Free
Boost AOV with Slide Cart Drawer, Sticky Cart & Trust Badges

4.8
out of 5 stars
621 total reviews
•
Free
Increase AOV with one click Upsell & Cross Sells

5.0
out of 5 stars
64 total reviews
•
Free plan available
Add a Slide Cart with a Free Shipping Bar & Upsell Cart Widget

4.8
out of 5 stars
458 total reviews
•
Free plan available
Create product bundles, volume discount, and upsell offers

4.7
out of 5 stars
581 total reviews
•
Free plan available
Add slide cart drawer with in cart upsell & free shipping bar

4.9
out of 5 stars
1762 total reviews
•
Free trial available
Increase Orders w/ Sticky Add to Cart Bar, Buy Button & More

4.6
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
178 total reviews
•
Free plan available
Increase your revenue by having a smart Sticky Add To Cart bar

4.9
out of 5 stars
1006 total reviews
•
Free plan available
Boost Order Values with In Cart Upsell & Post Purchase Upsell

4.9
out of 5 stars
347 total reviews
•
Free
BOOST SALES w a Slide Kart & Upsell Side Cart UpCart

4.8
out of 5 stars
34 total reviews
•
Free trial available
Boost AOV with Cart Drawer, Upsell, Reward Bar & Shipping Bar
Built for Shopify

5.0
out of 5 stars
44 total reviews
•
Free plan available
Add a Slide Cart with a Free Shipping Bar & Upsell Cart Widget
73 apps with