All upsell and cross-sell apps with features for custom css

Tempt them with upgrades, “pairs well with,” and other hard-to-resist items.

1,155 apps with

Custom CSS

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ShipGuard: Shipping Protection
4.3 out of 5 stars 20 total reviews • Free to install
Custom shipping protection/shipping insurance managed by you.
Navidium Shipping Protection
4.7 out of 5 stars 396 total reviews • Free to install
Shipping protection/shipping insurance fee as a cart upsell
Ego Free Gifts BOGO Upsell
5.0 out of 5 stars 31 total reviews • Free
Boost sales with discounts, gifts, BOGO, rewards bar & more
XB: AI Cart Upsell Cart Drawer
5.0 out of 5 stars 196 total reviews • Free to install
Slide Cart with Free Shipping Bar, Free Gift & Product Add-ons
FoxKit: Upsell & Bundles App
4.9 out of 5 stars 379 total reviews • Free to install
AOV+ with bundles, cart upsell, volume discounts & low stock
Visually A/B Testing & CRO
4.8 out of 5 stars 147 total reviews • Free plan available
A/B testing & CRO: simply AB test & personalize with no code
Corner Cart Drawer & Free Gift
4.9 out of 5 stars 316 total reviews • Free plan available
Slide Cart drawer with free gift, cart upsell & volume bundles
Skio, a Recharge Company
5.0 out of 5 stars 242 total reviews • $599/month
The subscription platform top brands graduate to.
UpsellPlus Checkout Upsell
5.0 out of 5 stars 145 total reviews • Free plan available
Grow AOV with cart, checkout, post purchase upsells and POS
EA Sticky Cart Drawer & Upsell
4.9 out of 5 stars 216 total reviews • Free plan available
Slide cart drawer with upsells, free gifts, sticky add to cart
Sellify Post Purchase Upsell
5.0 out of 5 stars 25 total reviews • Free
Boost AOV with 1-click Checkout upsell & post purchase surveys
Upcharge Surcharge Fees Tariff
4.7 out of 5 stars 192 total reviews • Free plan available
Surcharges, extra fees, checkout fees, credit card fee & more
Insureful Shipping Protection
4.7 out of 5 stars 77 total reviews • Free plan available
Turn Shipping Protection into Profit Center Keep, 100% of Fees
Candy Rack • Upsell Cross‑sell
4.9 out of 5 stars 264 total reviews • Free plan available
AI upsell, cross-sell, quantity breaks & volume bundles.
Koala Upsell Free Gift & BOGO
4.9 out of 5 stars 385 total reviews • Free trial available
Set up BOGO, free gifts, upsells, pop-ups, and product add-ons
GoKwik Cart Drawer & Upsell
4.3 out of 5 stars 42 total reviews • Free trial available
Increase AOV with cart upsell, progress bar & fraud prevention
HeiChat: ChatGPT Sales Chatbot
4.8 out of 5 stars 81 total reviews • Free to install
AI that support Pre-Sales, Order Tracking, and Tickets queries
Quiz Kit: Product Quiz Maker
4.8 out of 5 stars 178 total reviews • Free plan available
Product recommendation quiz builder (eg skincare quiz)
BuyScout AI Store Agent
5.0 out of 5 stars 58 total reviews • Free plan available
Sells and supports every shopper, before and after checkout.
Cart Drawer by Selluxe
5.0 out of 5 stars 24 total reviews • Free plan available
Slide cart with AI upsells, rewards and A/B testing
Oxify Cart Drawer & Upsell
4.9 out of 5 stars 40 total reviews • Free trial available
Post purchase upsell, checkout upsell & thank you page upsell
Goalify: Free shipping goals
5.0 out of 5 stars 49 total reviews • Free plan available
AI Upsell free gift with purchase & free shipping progress bar
BOGO+ Free Gift & Buy X Get Y
4.7 out of 5 stars 187 total reviews • Free plan available
Boost AOV with buy one get one, discount, free gift promotions
VQB: AI Product Quiz Builder
5.0 out of 5 stars 97 total reviews • Free plan available
Product recommendation quiz funnel builder to grow sales & AOV
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1,155 apps with

Custom CSS

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