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.

444 apps with

Additional fees

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Essential Upsell & Cross Sell
5.0 out of 5 stars 2149 total reviews • Free plan available
Lift AOV with Frequently Bought Together Upsell and Cross-sell
Essent Cart Drawer Cart Upsell
5.0 out of 5 stars 545 total reviews • Free
Lift AOV via Slide Cart Upsell, Sticky Add to Cart, Reward Bar
Kaching CartDrawer Cart Upsell
5.0 out of 5 stars 913 total reviews • Free plan available
Boost your AOV: slide cart, upsell cart & free shipping bar
EG Auto Add to Cart Free Gift
5.0 out of 5 stars 1021 total reviews • Free trial available
Delight customers by adding targeted gifts to their carts
AOV.ai Cart Drawer Cart Upsell
5.0 out of 5 stars 766 total reviews • Free to install
Slide cart drawer with cart upsell, rewards & free shipping
Essent FreeShipping Upsell App
5.0 out of 5 stars 833 total reviews • Free plan available
Lift AOV via Free Shipping Bar Goal Cart Upsell and Cross Sell
Kaching Post Purchase Upsell
5.0 out of 5 stars 244 total reviews • Free plan available
Boost AOV via 1-click Checkout upsells & Thank You page offers
ETP Sort Hide Payment Methods
5.0 out of 5 stars 226 total reviews • Free
Hide, sort, reoder, rename payment methods with payment rules
EA • Sticky Add to Cart Drawer
4.9 out of 5 stars 177 total reviews • Free
Grow via Slide Cart Drawer, Cart Upsell Sticky Add to Cart Bar
Upsell.com ‑ ReConvert Upsell
4.8 out of 5 stars 2846 total reviews • Free plan available
Create Cart Upsell & Cross Sell + Post Purchase Upsell Funnels
TnC: Terms and Conditions Box
4.9 out of 5 stars 480 total reviews • Free plan available
Terms and Conditions Checkbox: Age verification checkout rules
RA Term and Condition Checkbox
4.9 out of 5 stars 176 total reviews • Free plan available
Terms and Conditions Checkbox, Checkout Rules Age Verification
Amp Slide Cart Upsell Drawer
5.0 out of 5 stars 665 total reviews • Free plan available
Add slide cart to boost AOV with upsells & free shipping bar
CartBot: Gift with purchase
4.9 out of 5 stars 476 total reviews • Free plan available
Auto add to cart a gift with purchase, BOGO, buy X get Y, etc.
Kip: Sort Hide Payment Methods
4.9 out of 5 stars 117 total reviews • Free plan available
Take full control of payment methods with Kip customizations.
Square: Sticky Add to Cart Bar
5.0 out of 5 stars 140 total reviews • Free
Keep the Sticky Add to Cart Bar visible on scroll to boost AOV
Payflow: COD & Checkout Rules
4.9 out of 5 stars 107 total reviews • Free plan available
COD fees, payment and delivery rules with checkout validations
Scala Payment Method Discount
5.0 out of 5 stars 47 total reviews • Free
Offer payment method based discounts during checkout
Hitsy Progress Bar
4.9 out of 5 stars 82 total reviews • Free plan available
Grow AOV with progress bar for free shipping, discounts, gifts
Rebuy Personalization Engine
4.7 out of 5 stars 817 total reviews • Free plan available
AI recommendations: cart, checkout, and post-purchase upsells
iCart Cart Drawer Cart Upsell
4.7 out of 5 stars 434 total reviews • Free plan available
Boost AOV with slide cart drawer, cart upsell & progress bar
XB: AI Cart Upsell Cart Drawer
5.0 out of 5 stars 205 total reviews • Free to install
Slide Cart with Free Shipping Bar, Free Gift & Product Add-ons
Fokkio Free Gift With Purchase
4.7 out of 5 stars 61 total reviews • Free plan available
Boost sales with auto-added gifts & products - smart targeting
Shipzy ‑ Shipping Rules
5.0 out of 5 stars 133 total reviews • Free plan available
Control your shipping rates by multiple conditions at checkout
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444 apps with

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