All cart customization apps with features for custom html

Add a "buy now" button, sticky add to cart, or whatever else helps customers complete their purchase.

373 apps with

Custom HTML

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Snap Cart Drawer Progress Bar
4.8 out of 5 stars 36 total reviews • Free
Boost CRO w/ fast-loading slide cart drawer, cart progress bar
Wi Buy Now: Sticky Add to Cart
5.0 out of 5 stars 29 total reviews • Free
Boost CTR by sticky add to cart button, buy now button
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
Scala Payment Method Discount
5.0 out of 5 stars 32 total reviews • Free
Offer payment method based discounts during checkout
Vex Auto Add To Cart Free Gift
4.9 out of 5 stars 60 total reviews • Free plan available
Boost conversions/AOV with auto-added free gifts and upsells.
Shipping Rates & Rule ‑ Shipfy
4.9 out of 5 stars 119 total reviews • Free plan available
Control your shipping rates by multiple conditions at checkout
Hitsy Progress Bar
5.0 out of 5 stars 53 total reviews • Free plan available
Grow AOV with progress bar for free shipping, discounts, gifts
Monster Cart Upsell+Free Gift
4.7 out of 5 stars 487 total reviews • Free plan available
Boost AOV With In Cart Upsell, Free Gift Rewards GWP, and MORE
SEOAnt ‑ Sticky Add To Cart
4.9 out of 5 stars 135 total reviews • Free plan available
Add sticky cart and quick buy icon to get more sales
Goalify: Free Shipping Bar PRO
5.0 out of 5 stars 34 total reviews • Free to install
AI Upsell, free gift with purchase, free shipping progress bar
Cartly Slide Cart Drawer
5.0 out of 5 stars 71 total reviews • Free plan available
Sell more product add ons in upsell cart & sticky add to cart
Fokkio Free Gift With Purchase
4.6 out of 5 stars 26 total reviews • Free plan available
Boost sales with auto-added gifts & products - smart targeting
Payfy: Hide Payment Rules
4.6 out of 5 stars 130 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 575 total reviews • Free plan available
Boost AOV w/ In Cart Upsell, Cross-Sell & Post Purchase Upsell
PayRules: Hide Payment Methods
4.8 out of 5 stars 79 total reviews • Free plan available
Hide payment options conditionally to avoid unwanted fees
EliteCart & Upsell
5.0 out of 5 stars 32 total reviews • Free trial available
Smart Cart Drawer: Upsells, rewards, free gifts, addons & more
STKY ‑ Sticky Add To Cart Bar
4.9 out of 5 stars 471 total reviews • Free plan available
Convert w sticky add to cart bar, buy button, quick buy & more
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
Buy Button channel
3.6 out of 5 stars 192 total reviews • Free
Sell your products on any website or blog.
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
4.9 out of 5 stars 23 total reviews • Free trial available
Progress Bar, Free Shipping bar & Free Gift to Boost AOV
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
RT: Terms and Conditions Box
4.6 out of 5 stars 346 total reviews • Free
Add terms and conditions checkbox to Cart page & Ajax cart
Upsell App by Essentialwolf
4.8 out of 5 stars 297 total reviews • Free
Increase AOV with one click Upsell & Cross Sells
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