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

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

731 apps with

Custom CSS

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Wiser AI ‑ Upsell & Cross Sell
4.9 out of 5 stars 466 total reviews • Free plan available
Boost AOV by Frequently Bought Together, Upsell and Cross Sell
Cartly Slide Cart Drawer
5.0 out of 5 stars 78 total reviews • Free plan available
Sell more product add ons in upsell cart & sticky add to cart
UpsellPlus Checkout Upsell
5.0 out of 5 stars 121 total reviews • Free trial available
Grow AOV with cross sell, post purchase & checkout upsell
Post Purchase Upsell—ReSell
4.7 out of 5 stars 46 total reviews • Free to install
Boost AOV by reconverting Thank You Page and Checkout Upsells
Super: Gift Wrap, Gift Message
4.7 out of 5 stars 245 total reviews • Free plan available
Valentine's gift note, gift box & gift card to store/checkout
Skio Subscriptions App
5.0 out of 5 stars 231 total reviews • $599/month
The subscription platform top brands graduate to.
Checkout Components | Upsell
5.0 out of 5 stars 39 total reviews • Free trial available
Drive revenue with checkout upsells, custom content & fields
Wrapped: Gift Wrap & Messages
4.8 out of 5 stars 121 total reviews • Free trial available
Add Gift wrap and Gift messages to Storefront & Checkout
Biscuits Bundle Builder
4.9 out of 5 stars 71 total reviews • Free trial available
Beautiful mix and match product bundles & bundle builders
Lantern AI Quiz Builder
4.8 out of 5 stars 129 total reviews • Free plan available
Boost sales with an easy-to-setup product recommendations quiz
BOGO+ Free Gift & Buy X Get Y
4.7 out of 5 stars 180 total reviews • Free plan available
Boost AOV by BOGO, Free Gift, Buy X Get Y, volume & goal order
SpurIT Sales Pop‑up Discount
4.6 out of 5 stars 52 total reviews • Free
Show sales pop-up notifications to encourage customers to buy
EliteCart & Upsell
5.0 out of 5 stars 32 total reviews • Free trial available
Smart Cart Drawer: Upsells, rewards, free gifts, addons & more
EcomRise Post Purchase Upsell
5.0 out of 5 stars 21 total reviews • Free
Boost AOV with post purchase upsell, thank you page offers
ICU• In Cart Upsell Cross Sell
4.8 out of 5 stars 574 total reviews • Free plan available
Boost AOV w/ In Cart Upsell, Cross-Sell & Post Purchase Upsell
Upsell Popup by PA
5.0 out of 5 stars 35 total reviews • Free plan available
Increase average order value with targeted upsell popups
Tipo Related Products, Upsell
4.9 out of 5 stars 280 total reviews • Free plan available
Boost your sales with frequently bought together products
Upsell Kit: BOGO, Bundle & 30+
4.9 out of 5 stars 131 total reviews • Free trial available
All-in-One App: Preorders, Post Purchase Upsells, Sales Pop Up
SellUp: Add ons & Cart Upsell
4.7 out of 5 stars 118 total reviews • Free to install
Increase your revenue with tailored add-ons and cart upsells.
Mix and Match Bundle Builder
5.0 out of 5 stars 89 total reviews • Free plan available
Bundle app: Mix and match bundles, Build a box, BYOB & Add ons
Also Bought CBB
4.8 out of 5 stars 346 total reviews • Free trial available
Premium cross-sell related product recommendations
Gojiberry Survey & Feedback
5.0 out of 5 stars 30 total reviews • Free plan available
Easy-setup pre & post-purchase surveys for better ads & CVR
Posstack Easy Content Builder
4.3 out of 5 stars 24 total reviews • Free plan available
No-code section & page builder. Drag and drop in Theme Editor.
FeeBee ‑ Fees and Deposits
5.0 out of 5 stars 18 total reviews • Free plan available
Easily add fees and surcharges to your products and cart.
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731 apps with

Custom CSS

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