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.

375 apps with

Custom CSS

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Wi Buy Now: Sticky Add to Cart
5.0 out of 5 stars 31 total reviews • Free plan available
Boost CTR by sticky add to cart button, buy now button
Rebuy Personalization Engine
4.8 out of 5 stars 782 total reviews • Free plan available
AI recommendations: cart, checkout, and post-purchase upsells
Snap Cart Drawer Progress Bar
4.8 out of 5 stars 37 total reviews • Free
Boost CRO w/ fast-loading slide cart drawer, cart progress bar
Shipping Rates & Rule ‑ Shipfy
4.9 out of 5 stars 121 total reviews • Free plan available
Control your shipping rates by multiple conditions at checkout
Scala Payment Method Discount
5.0 out of 5 stars 32 total reviews • Free
Offer payment method based discounts during checkout
Fokkio Free Gift With Purchase
4.6 out of 5 stars 32 total reviews • Free plan available
Boost sales with auto-added gifts & products - smart targeting
Hitsy Progress Bar
5.0 out of 5 stars 56 total reviews • Free plan available
Grow AOV with progress bar for free shipping, discounts, gifts
SEOAnt ‑ Sticky Add To Cart
4.9 out of 5 stars 134 total reviews • Free plan available
Add sticky cart and quick buy icon to get more sales
Buy Me ‑ Sticky Buy Button
4.9 out of 5 stars 173 total reviews • Free plan available
Display Sticky Add to Cart, Quick Buy, Sticky Cart & more
Monster Cart Upsell+Free Gift
4.7 out of 5 stars 489 total reviews • Free plan available
Boost AOV With In Cart Upsell, Free Gift Rewards GWP, and MORE
Payfy: Hide Payment Rules
4.7 out of 5 stars 129 total reviews • Free plan available
Checkout customize to reorder, rename & hide payment methods.
ICU• In Cart Upsell Cross Sell
4.8 out of 5 stars 577 total reviews • Free plan available
Boost AOV w/ In Cart Upsell, Cross-Sell & Post Purchase Upsell
Cartly Slide Cart Drawer
5.0 out of 5 stars 74 total reviews • Free plan available
Sell more product add ons in upsell cart & sticky add to cart
PayRules: Hide Payment Methods
4.8 out of 5 stars 80 total reviews • Free plan available
Hide payment options conditionally to avoid unwanted fees
Goalify: Free Shipping Bar PRO
5.0 out of 5 stars 38 total reviews • Free to install
AI Upsell free gift with purchase & free shipping progress bar
STKY ‑ Sticky Add To Cart Bar
4.9 out of 5 stars 472 total reviews • Free plan available
Convert w sticky add to cart bar, buy button, quick buy & more
GoodAPI Plant Trees Clean Seas
4.9 out of 5 stars 202 total reviews • Free to install
Plant trees, remove plastic, and make your impact
Kai Progress bar & Free Gift
5.0 out of 5 stars 25 total reviews • Free trial available
Progress Bar, Free Shipping bar & Free Gift to Boost AOV
Cart Upsell—Slide Cart Drawer
4.9 out of 5 stars 99 total reviews • Free plan available
Cart Upsell—Boost Sales with Slide Cart Drawer Offers
Scarcity+ Cart Countdown Timer
5.0 out of 5 stars 20 total reviews • Free plan available
Hurrify Christmas urgency with cart timer & checkout timer
Buy Button channel
3.5 out of 5 stars 192 total reviews • Free
Sell your products on any website or blog.
GoKwik Cart‑Slide Cart Drawer
4.9 out of 5 stars 33 total reviews • Free trial available
Customizable slide cart with upsells & free gift options
RT: Terms and Conditions Box
4.6 out of 5 stars 351 total reviews • Free
Add terms and conditions checkbox to Cart page & Ajax cart
Upsell App by Essentialwolf
4.8 out of 5 stars 298 total reviews • Free
Increase AOV with one click Upsell & Cross Sells
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375 apps with

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