All cart customization apps with features for additional fees

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

396 apps with

Additional fees

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Scala Payment Method Discount
5.0 out of 5 stars 42 total reviews • Free
Offer payment method based discounts during checkout
Snap Cart Drawer Progress Bar
4.9 out of 5 stars 45 total reviews • Free
Boost CRO w/ fast-loading slide cart drawer, cart progress bar
One Click Upsell ‑ Zipify OCU
4.5 out of 5 stars 497 total reviews • Free plan available
Increase AOV with AI post-purchase upsells & checkout upsells
EA • Sticky Add to Cart Drawer
4.9 out of 5 stars 142 total reviews • Free
Grow via Slide Cart Drawer, Cart Upsell Sticky Add to Cart Bar
Rebuy Personalization Engine
4.7 out of 5 stars 806 total reviews • Free plan available
AI recommendations: cart, checkout, and post-purchase upsells
Wi Buy Now: Sticky Add to Cart
5.0 out of 5 stars 36 total reviews • Free
Boost CTR by sticky add to cart button, buy now button
Corner Cart Drawer & Free Gift
4.9 out of 5 stars 289 total reviews • Free plan available
Slide cart drawer with free gift with purchase and cart upsell
Fokkio Free Gift With Purchase
4.6 out of 5 stars 50 total reviews • Free plan available
Boost sales with auto-added gifts & products - smart targeting
Shiprocket Smart Cart
5.0 out of 5 stars 41 total reviews • Free trial available
Customizable cart with milestone rewards and upsell offers
Vex Auto Add To Cart Free Gift
5.0 out of 5 stars 66 total reviews • Free plan available
Boost conversions/AOV with auto-added free gifts and upsells.
Buy Me ‑ Sticky Buy Button
4.9 out of 5 stars 169 total reviews • Free plan available
Display Sticky Add to Cart, Quick Buy, Sticky Cart & more
Cart Upsell—Slide Cart Drawer
4.9 out of 5 stars 138 total reviews • Free plan available
Cart Upsell—Boost Sales with Slide Cart Drawer Offers
Simesy Hide Payment Methods
5.0 out of 5 stars 27 total reviews • Free
Flexible rules to sort, rename and hide payment methods
STKY ‑ Sticky Add To Cart Bar
4.9 out of 5 stars 471 total reviews • Free plan available
Grow w/ sticky add to cart bar, quick buy button & sticky cart
Shipzy ‑ Shipping Rules
5.0 out of 5 stars 130 total reviews • Free plan available
Control your shipping rates by multiple conditions at checkout
GoKwik Cart‑Slide Cart Drawer
4.9 out of 5 stars 36 total reviews • Free trial available
Customizable slide cart with upsells & free gift options
Upsell App by Essentialwolf
4.8 out of 5 stars 290 total reviews • Free
Increase AOV with one click Upsell & Cross Sells
Payfy: Hide Payment Rules
4.6 out of 5 stars 140 total reviews • Free plan available
Checkout customize to reorder, rename & hide payment methods.
Buy Button channel
3.7 out of 5 stars 190 total reviews • Free
Sell your products on any website or blog.
GoodAPI Plant Trees Clean Seas
4.9 out of 5 stars 218 total reviews • Free to install
Plant trees, remove plastic, and make your impact
RT: Terms and Conditions Box
4.5 out of 5 stars 341 total reviews • Free
Add terms and conditions checkbox to Cart page & Ajax cart
Cartly Slide Cart Drawer
4.9 out of 5 stars 80 total reviews • Free plan available
Sell more product add ons in upsell cart & sticky add to cart
Wowcart ‑ Slide Cart Drawer
4.9 out of 5 stars 37 total reviews • Free
Build a cart drawer with discount code and cart upsell support
Kai Progress bar & Free Gift
5.0 out of 5 stars 30 total reviews • Free trial available
Progress Bar, Free Shipping bar & Free Gift to Boost AOV
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396 apps with

Additional fees

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