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.

408 apps with

Custom CSS

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Supercart
5.0 out of 5 stars 33 total reviews • Free to install
High Converting AI Slide Carts w/ Self-Insurance Upsells Gifts
Llama: Cart Upsell & Free Gift
5.0 out of 5 stars 14 total reviews • Free plan available
Slide cart drawer upsells, free gifts & cross-sell | Boost AOV
Vista Checkout Rule & Discount
4.9 out of 5 stars 13 total reviews • Free plan available
Automatic Discount, Checkout Order limit rules without Scripts
Selecty: Tarifas y Comunas
4.7 out of 5 stars 10 total reviews • Plan gratis disponible
Valida comunas de Chile y gestiona tarifas de envío por zona.
Scarcity+ Cart Countdown Timer
4.7 out of 5 stars 22 total reviews • Free plan available
Hurrify sale urgency with AI cart reserve & cart timer bar
Instant Checkout ‑ Buy button
4.7 out of 5 stars 39 total reviews • Free trial available
Skip cart & redirect to checkout page when clicked on Buy Now
Flex Upsell Cart Auto Discount
5.0 out of 5 stars 11 total reviews • Free plan available
Turn Every Cart into Bigger Orders with Smart Upsells
ET Countdown Cart Timer
4.9 out of 5 stars 78 total reviews • Free plan available
Countdown timer on cart page & side cart as a checkout timer
Dynamatic Cart & Upsell Engine
5.0 out of 5 stars 35 total reviews • Free plan available
Custom slide cart, bundles, ab testing, bundles, and discounts
Savify Automatic Discounts
5.0 out of 5 stars 16 total reviews • Free plan available
Complete order, product & shipping discounts automation
BOLD AI Upsell & Cross‑Sell
4.4 out of 5 stars 584 total reviews • Free to install
Boost AOV w/ Checkout Upsells and Post Purchase Upsell Funnels
RuffRuff Order Bonus
4.9 out of 5 stars 7 total reviews • Free trial available
Boost sales with smart discounts and free gift rewards
Carty: Cart Upsell Cart Drawer
5.0 out of 5 stars 55 total reviews • Free plan available
Boost Sales with In-Cart Upsells, Free Gifts, Rewards & Deals
Share Cart: Link, Social, Chat
5.0 out of 5 stars 5 total reviews • Free trial available
Customers can share carts via link, social or in chat apps
Required: Cart page fields
5.0 out of 5 stars 8 total reviews • Free trial available
Request the information you need to fulfill your orders.
Reorder Hero ‑ Repeat Order
5.0 out of 5 stars 28 total reviews • Free trial available
Customers can Reorder items with one click !
Oak Prepaid Discount
4.2 out of 5 stars 5 total reviews • Free plan available
Payment method discounts, auto-applied in cart & checkout
Sticky Add To Cart ‑ TVARKA
5.0 out of 5 stars 13 total reviews • Free plan available
Boost sales & AOV with a visible Add to Cart button.
AutoCart: B2B Auto Add To Cart
4.8 out of 5 stars 16 total reviews • Free
Boost AOV with auto add-to-cart upsell, B2C & B2B deals
Dcart ‑ Discount in Cart
4.9 out of 5 stars 109 total reviews • Free trial available
Boost sales with cart discounts & free shipping bar
Vanga AI Post Purchase Upsell
4.6 out of 5 stars 39 total reviews • Free trial available
Boost conversion rates, sales & AOV with AI upsell app
Apex Cart Progress Bar
4.1 out of 5 stars 39 total reviews • Free plan available
Boost your AOV by offering Cart Discounts & Free Shipping
Bitrecs: AI Recommendations
5.0 out of 5 stars 7 total reviews • Free plan available
AI-powered, personalized product recommendations
Dr Stacked Discounts on Cart
4.8 out of 5 stars 169 total reviews • Free plan available
Apply stacked discount codes on cart and promote coupon codes
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408 apps with

Custom CSS

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