--- title: "ICU• In Cart Upsell Cross Sell vs UpsellPlus Checkout Upsell: Shopify app comparison" description: "Compare ICU• In Cart Upsell Cross Sell and UpsellPlus Checkout Upsell on detected Shopify stores, App Store reviews, pricing, listed features and integrations." canonical_url: "https://shoplist.co/shopify-apps/compare/in-cart-upsell-vs-upsellplus-checkout-upsells" markdown_url: "https://shoplist.co/shopify-apps/compare/in-cart-upsell-vs-upsellplus-checkout-upsells.md" data_as_of: "Nov 6, 2026" --- # ICU• In Cart Upsell Cross Sell vs UpsellPlus Checkout Upsell Shopify app comparison from Shoplist. Store counts as of Nov 6, 2026. ## At a glance - ICU• In Cart Upsell Cross Sell is detected on 12× as many Shopify stores as UpsellPlus Checkout Upsell: 1,225 vs 100 as of Nov 6, 2026. - On the Shopify App Store: ICU• In Cart Upsell Cross Sell 4.8 from 584 reviews and UpsellPlus Checkout Upsell 5.0 from 152 reviews. - Both list a free plan. Paid plans start at $9.99/month for ICU• In Cart Upsell Cross Sell and $49/month for UpsellPlus Checkout Upsell. - ICU• In Cart Upsell Cross Sell lists 18 features UpsellPlus Checkout Upsell’s listing doesn’t mention, including Automatic discounts, Bundles, Buy more, save more. ## Adoption | Measure | ICU• In Cart Upsell Cross Sell | UpsellPlus Checkout Upsell | Ahead | | --- | --- | --- | --- | | Detected stores | 1,225 — as of Nov 6, 2026 | 100 — as of Nov 6, 2026 | ICU• In Cart Upsell Cross Sell | | Net store change, 28 days | −15 — estimated | \+15 — estimated | | | Stores added, 28 days | 20 — new and returning | 17 — new and returning | ICU• In Cart Upsell Cross Sell | | Big-brand share | 11% — of stores of known size | Not enough data | | | Top store categories | Apparel & Accessories, Health & Beauty, Home & Garden | Apparel & Accessories, Health & Beauty, Home & Garden | | | Top store countries | United States, United Kingdom, Australia | United States, United Kingdom, Sweden | | ## Reviews | Measure | ICU• In Cart Upsell Cross Sell | UpsellPlus Checkout Upsell | Ahead | | --- | --- | --- | --- | | App Store rating | 4.8 ★ | 5.0 ★ | UpsellPlus Checkout Upsell | | App Store reviews | 584 | 152 | ICU• In Cart Upsell Cross Sell | | New reviews, 28 days | 0 | 7 | UpsellPlus Checkout Upsell | | Reviewers a year or more in | Not enough data | 11% | | ## Pricing | Measure | ICU• In Cart Upsell Cross Sell | UpsellPlus Checkout Upsell | Ahead | | --- | --- | --- | --- | | Free plan | Yes | Yes | | | Lowest paid monthly plan | $9.99/month | $49/month | ICU• In Cart Upsell Cross Sell | | Longest free trial | 30 days | 14 days | | | Plans listed | 4 | 4 | | ## Listing | Measure | ICU• In Cart Upsell Cross Sell | UpsellPlus Checkout Upsell | Ahead | | --- | --- | --- | --- | | Shopify category rank | \#179 — in Upsell and cross-sell | \#21 — in Checkout - Other | | | Shopify App Charts | \#24 in Upsell and cross-sell | \#11 in Checkout - Other | | | Built for Shopify | No | Yes | | | Launched | Dec 8, 2015 | Nov 3, 2021 | | | Languages | 1 — English | 1 — English | | | Developer | In Cart Upsell | UpsellPlus | | ## Listed features - 45 distinct features are listed across these App Store listings; 14 are listed by both. - ICU• In Cart Upsell Cross Sell lists 34 of them (76%). Listed only by ICU• In Cart Upsell Cross Sell: Automatic discounts, Bundles, Buy more, save more, Cart drawer, Custom CSS, Custom HTML, Custom rules, Custom styles, Drag-and-drop editor, Free gifts, Frequently bought together, Gift wrap, Mobile responsive, One-click upsell, Product recommendations, Promotions, Skip to checkout, Tiered discounts. - UpsellPlus Checkout Upsell lists 25 of them (56%). Listed only by UpsellPlus Checkout Upsell: Announcement bar, Checkout upsell, Free gifts, Multi-language, Optimization suggestions, Priority processing, Progress bar, Recommendation performance, Shipping protection, Subscription upgrade, Warranties. ### Coverage by App Store category | Category | ICU• In Cart Upsell Cross Sell | UpsellPlus Checkout Upsell | | --- | --- | --- | | Cart customization | 14/14 | 0/14 | | Cart customization › Cart display | 7/7 | 0/7 | | Cart customization › Checkout customization | 3/3 | 0/3 | | Cart customization › Upselling | 4/4 | 0/4 | | Upsell and cross-sell | 20/31 | 25/31 | | Upsell and cross-sell › Analytics | 4/6 | 6/6 | | Upsell and cross-sell › Customization | 9/13 | 9/13 | | Upsell and cross-sell › Offers and recommendations | 7/12 | 10/12 | A feature missing from a listing may still be supported; this compares what each App Store listing says. ## Integrations - Both list: Checkout. - Only ICU• In Cart Upsell Cross Sell lists: Product Customizer, Weglot, Preorder Now, Trackify X, Loox, Pagefly. - Only UpsellPlus Checkout Upsell lists: Recharge, Skio, Appstle, Smartrr, Recurpay, Seal Subscriptions. ## Pricing plans ### ICU• In Cart Upsell Cross Sell | Plan | Price | Free trial | Additional charges | | --- | --- | --- | --- | | Free Plan | Free | Not listed | None listed | | Shopify BASIC User | $9.99/month | 30-day free trial | Your plan name will show as FLEX due to Shopify limitations, charges are based on your Shopify plan type. | | Shopify GROW User | $19.99/month | 30-day free trial | Your plan name will show as FLEX due to Shopify limitations, charges are based on your Shopify plan type. | | Shopify ADVANCED | $49.99/month | 30-day free trial | Your plan name will show as FLEX due to Shopify limitations, charges are based on your Shopify plan type. | ### UpsellPlus Checkout Upsell | Plan | Price | Free trial | Additional charges | | --- | --- | --- | --- | | Free | Free | Not listed | None listed | | Launch | $49/month | 14-day free trial | None listed | | Shopify Plus | $119/month | 14-day free trial | None listed | | Scale | $199/month | 14-day free trial | None listed | ## Frequently asked questions ### Which is more popular, ICU• In Cart Upsell Cross Sell or UpsellPlus Checkout Upsell? ICU• In Cart Upsell Cross Sell is detected on 12× as many Shopify stores as UpsellPlus Checkout Upsell: 1,225 vs 100 as of Nov 6, 2026. ### Is ICU• In Cart Upsell Cross Sell or UpsellPlus Checkout Upsell cheaper? Both list a free plan. Paid plans start at $9.99/month for ICU• In Cart Upsell Cross Sell and $49/month for UpsellPlus Checkout Upsell. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits. ### Which has better reviews, ICU• In Cart Upsell Cross Sell or UpsellPlus Checkout Upsell? On the Shopify App Store: ICU• In Cart Upsell Cross Sell 4.8 from 584 reviews and UpsellPlus Checkout Upsell 5.0 from 152 reviews. ### What features does each app list that the other doesn’t? ICU• In Cart Upsell Cross Sell lists 18 the others don’t mention, such as Automatic discounts, Bundles, Buy more, save more, Cart drawer. UpsellPlus Checkout Upsell lists 11 the others don’t mention, such as Announcement bar, Checkout upsell, Free gifts, Multi-language. A feature missing from a listing may still be supported; this compares what each App Store listing says. ### Are stores switching between ICU• In Cart Upsell Cross Sell and UpsellPlus Checkout Upsell? 1 store dropped one and added the other in the last 180 days. Which stores, and in which direction, is in Shoplist. ### Where does this comparison’s data come from? Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 6, 2026; estimated figures are labeled. ## Links - [ICU• In Cart Upsell Cross Sell vs UpsellPlus Checkout Upsell on Shoplist](https://shoplist.co/shopify-apps/compare/in-cart-upsell-vs-upsellplus-checkout-upsells) - [ICU• In Cart Upsell Cross Sell on Shoplist](https://shoplist.co/shopify-apps/in-cart-upsell) ([Markdown](https://shoplist.co/shopify-apps/in-cart-upsell.md)) - [UpsellPlus Checkout Upsell on Shoplist](https://shoplist.co/shopify-apps/upsellplus-checkout-upsells) ([Markdown](https://shoplist.co/shopify-apps/upsellplus-checkout-upsells.md)) ## Methodology Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts for ICU• In Cart Upsell Cross Sell and UpsellPlus Checkout Upsell are as of Nov 6, 2026. “Not detectable from storefronts” means an app leaves no storefront trace, so Shoplist can’t count its stores. A row names who is ahead only when every app has a measured, unestimated figure. See [data methodology](https://shoplist.co/data-methodology.md).