AOV+ with bundling, product addons, related products, cart page, checkout & post purchase upsell. High-conversion one click upsell & post purchase upsell app. Bundle frequently bought together products & addons to increase AOV. Use in cart upsell, cross sells & automatic product recommendations for complementary products on product page & cart drawer. Checkout upsell extensions & discount functions for bundling accessories. Mobile-responsive upsell funnel with thank you page & pop up upsell offers works with any theme to boost conversion rates in multi-language & multi-currency stores. High-conversion one click upsell & post purchase upsell app. Bundle frequently bought together products & addons to increase AOV. Use in cart upsell, cross sells & automatic product recommendations for complementary products on product page & cart drawer. Checkout upsell extensions & discount functions for bundling accessories. Mobile-responsive upsell funnel with thank you page & pop up upsell offers works with any theme to boost conversion rates in multi-language & multi-currency stores. more Show Amazon-style frequently bought together product upsell bundles on store Cross sell product add ons on product pages as list, grid, carousel or popup Pop-up a cart upsell funnel or display in-cart upsells in cart drawer & theme Display checkout upsells & post purchase page upsell with one click upsell Cross sell related products on thank you page & order status page after sale
Custom CSS Shopify Apps
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Drive more sales with Meta Pixel integration, smart upsells, countdown timers, and low-stock alerts Supercharge your store with smart upsells, cross-sells, and post-purchase offers. Boost conversions with countdown timers, low-stock alerts, exclusive discounts, and flash sale campaigns. Track customer events with built-in Meta Pixel integration for better ad performance and insights. Personalize offers, increase average order value, reduce cart abandonment, and launch high-converting campaigns in minutes with an easy, no-code setup. Supercharge your store with smart upsells, cross-sells, and post-purchase offers. Boost conversions with countdown timers, low-stock alerts, exclusive discounts, and flash sale campaigns. Track customer events with built-in Meta Pixel integration for better ad performance and insights. Personalize offers, increase average order value, reduce cart abandonment, and launch high-converting campaigns in minutes with an easy, no-code setup. more Product page and In-Cart upsells with one-click add to order Post-purchase and Thankyou page upsells with one-click add to order Facebook Pixel for tracking website visitor actions and retargeting customers Countdown timers to create urgency for promotions Real-time inventory alerts for low-stock products
All In One Upsell app is designed to Boost Sales & AOV & encourage customers to buy more. The Essentialwolf Upsell & Cross Sell app is increase sales & AOV & user friendly with full customization tools for any business looking to increase their sales and AOV. Create highly targeted, personalized upsell funnels tailored to your customers’ preferences and spending habits—driving higher conversions and bigger sales. Plus, with real-time insights into customer behavior, you can easily track spending patterns and build even more effective upsell funnels. The Essentialwolf Upsell & Cross Sell app is increase sales & AOV & user friendly with full customization tools for any business looking to increase their sales and AOV. Create highly targeted, personalized upsell funnels tailored to your customers’ preferences and spending habits—driving higher conversions and bigger sales. Plus, with real-time insights into customer behavior, you can easily track spending patterns and build even more effective upsell funnels. more Display on product, cart, post-purchase, checkout and thanks you page. Support AI & Manual mode to personalized Upsell Funnel. Suggest related products to customers to increase the likelihood of a sale. Choose different types of layout and easy to customizable. In depth data analytics, track customer history, unlimited settings & many more.
Upsell Cart App to Improve AOV - Discounts, Free Shipping, Cross Sell & Quick Slide Cart Upsell cart helps you highlight additional products to customers as they add items to their cart which may increase your AOV. Our Quick Upsell app helps you turn every cart into a bigger sale — all before checkout. With features like upsell cart, popup cart & mini cart drawer, you can show smart product suggestions and irresistible discounts right when shoppers are most likely to buy. The cart widget makes it easy to add pre-purchase offers without interrupting the shopping flow. Upsell cart helps you highlight additional products to customers as they add items to their cart which may increase your AOV. Our Quick Upsell app helps you turn every cart into a bigger sale — all before checkout. With features like upsell cart, popup cart & mini cart drawer, you can show smart product suggestions and irresistible discounts right when shoppers are most likely to buy. The cart widget makes it easy to add pre-purchase offers without interrupting the shopping flow. more One-click upsells in the mini cart or popup cart to encourage bigger orders. Custom discounts that work with Shopify’s multiple discount combinations Pre-purchase upsell offers based on what’s already in the cart. Rewards Progress Bar: Motivate customers to spend more by showing spending goals Product recommendations using Shopify’s AI or your own chosen items.
Increase AOV and total revenue with upsell and cross-sell popups and targeted discount offers. Increase average order value using add to cart and checkout upsell popups shown to existing visitors at the right moment. Upsell Popup helps you grow revenue with small, high-impact wins like upsells, cross-sells, Buy One, Get One (BOGO), and discounts, without changing your checkout. Generate more revenue from exisiting traffic. Mobile-friendly design. No coding required. Match your store branding and launch in minutes. Easy to set up, backed by online support, and designed to pay for itself. Increase average order value using add to cart and checkout upsell popups shown to existing visitors at the right moment. Upsell Popup helps you grow revenue with small, high-impact wins like upsells, cross-sells, Buy One, Get One (BOGO), and discounts, without changing your checkout. Generate more revenue from exisiting traffic. Mobile-friendly design. No coding required. Match your store branding and launch in minutes. Easy to set up, backed by online support, and designed to pay for itself. more Trigger upsells on Add to Cart, Checkout CTA events, or ANY button click Use AI recommendations to suggest relevant products and raise Ave Order Value Generate more revenue by adding targeted discounts directly inside upsell popups Serve localised upsell popups with multi-language and currency support Increase conversions without slowing your store page speed or performance
Increase sales by offering additional products to your customers on product pages, cart and popups. With just a few clicks, you can now increase conversions, sales, and ROI from day one. No coding is required. It's very easy to configure your upsell and cross-sell offerings on product pages, cart, and popups. The app is highly customizable and suits every need: discounted add-ons, mandatory add-ons, discounted product bundles, linked products, and much more. If you need help, we provide free and fast support. With just a few clicks, you can now increase conversions, sales, and ROI from day one. No coding is required. It's very easy to configure your upsell and cross-sell offerings on product pages, cart, and popups. The app is highly customizable and suits every need: discounted add-ons, mandatory add-ons, discounted product bundles, linked products, and much more. If you need help, we provide free and fast support. more Upsell/cross-sell add-ons for product and cart pages. Popup upsell/cross-sell add-ons on product and cart pages. Discounted add-ons with a custom discount of 1-100%. Discounted Product Bundles - NEW! Multi-language support.
Upsell effectively using AI: Automate in-cart upsells, checkout upsells & bundles to boost sales. Upsell Wizard transforms your sales with AI-driven upselling and cross-selling. Master in-cart upselling, checkout upsells, and post-purchase offers with ease. Boost your average order value through strategic upsell funnels, offering discounted upsells and 'buy x get y' deals. Enjoy hassle-free setup as Upsell Wizard's AI automates compelling product suggestions and upsell opportunities. Perfect for smooth, intelligent upselling. Questions? Our US-based support team is here to help. Upsell Wizard transforms your sales with AI-driven upselling and cross-selling. Master in-cart upselling, checkout upsells, and post-purchase offers with ease. Boost your average order value through strategic upsell funnels, offering discounted upsells and 'buy x get y' deals. Enjoy hassle-free setup as Upsell Wizard's AI automates compelling product suggestions and upsell opportunities. Perfect for smooth, intelligent upselling. Questions? Our US-based support team is here to help. more Upsell and cross sell related products, different variants, and bundles. Trigger upsell offers with specific variants, products, tags or collections. Supports "buy X get Y" discounts and free products. Translate everything your customers see into the language of your choosing. Built to work with Shopify's native discount system & new post-purchase flows.
Grow AOV with upsells on product pages, cart, checkout, post purchase, accounts and POS. UpsellPlus helps increase average order value with personalized upsells and cross sells across product pages, cart drawers, checkout, post purchase, thank you, order status and customer account pages. Staff can also upsell in store with offers on the Shopify POS home screen, added in one tap. Create one click post purchase offers, free gifts, subscription upgrades and checkout customizations. Use AI recommendations, targeting rules and A/B testing to show the right offer. Launch without code. UpsellPlus helps increase average order value with personalized upsells and cross sells across product pages, cart drawers, checkout, post purchase, thank you, order status and customer account pages. Staff can also upsell in store with offers on the Shopify POS home screen, added in one tap. Create one click post purchase offers, free gifts, subscription upgrades and checkout customizations. Use AI recommendations, targeting rules and A/B testing to show the right offer. Launch without code. more Add product page and cart drawer upsells, cross sells and free gifts Create one click post purchase upsells and downsells without redirects Customize checkout, thank you, order status and customer account pages Upsell at the register in Shopify POS with one tap add and auto discount Personalize with AI and rules, then A/B test AOV and offer revenue
Real bundle products with one checkout line, plus frequently bought together, BOGO and free gifts. Upselly builds real Shopify bundle products. Each bundle shows up as one line at checkout, with native inventory tracking and a genuine discounted price next to the original. There is no widget faking totals in the cart. You can also add frequently bought together offers, BOGO deals, quantity breaks, free gifts and cart goal rewards, and every offer is applied as a real Shopify discount at checkout. The widget is translated into 12 languages. Pause an offer and it is gone instantly. Upselly builds real Shopify bundle products. Each bundle shows up as one line at checkout, with native inventory tracking and a genuine discounted price next to the original. There is no widget faking totals in the cart. You can also add frequently bought together offers, BOGO deals, quantity breaks, free gifts and cart goal rewards, and every offer is applied as a real Shopify discount at checkout. The widget is translated into 12 languages. Pause an offer and it is gone instantly. more Bundles & quantity breaks with real combined prices — buy more, save more BOGO & free gifts, added and discounted automatically at checkout Cart goal ladder: one progress bar for free shipping, gifts and discounts Frequently bought together cross-sells by product, tag, type or collection Widgets speak 12 languages and match your theme — you can override any label
Highly designed Image Slider can be displayed in the store! This application allows you to display a highly designed Image Slider in your store with no coding required; you can customize the speed at which the Image Slider flows, the number of pieces, the appearance of the arrows, and the type of animation. Bring a highly customizable Image Slider to your store. This application allows you to display a highly designed Image Slider in your store with no coding required; you can customize the speed at which the Image Slider flows, the number of pieces, the appearance of the arrows, and the type of animation. Bring a highly customizable Image Slider to your store. more Image Slider can be installed in your store. Customize the animation, speed, and design of the Image Slider. Separate images can be set for PCs and mobile.
The All-In-One Countdown Timer & Sale Urgency App. Increase Conversion and Maximize Sales Save time and money with a single app. Includes 10+ urgency tools/features to help unlock your full sales potential. Setup is quick, easy and fully customizable. Save time and money with a single app. Includes 10+ urgency tools/features to help unlock your full sales potential. Setup is quick, easy and fully customizable. more Countdown Timers: Create urgency on store pages and at cart or checkout. Spin the Wheel: Boost engagement, reduce site abandonment, and reward customers. Social-Proof Alerts: Show recent orders and remaining stock as customers browse. Stock Counter: Create FOMO with Quantity Bars on Product Pages. Urgency Emails: Send Sale Alerts/Reminders + Add a Countdown Timer to any email.
Boost AOV with quantity discounts, product bundles, BOGO deals, free gifts, upsells & subscriptions. V Bundles lets you easily create quantity breaks, volume discounts, tiered pricing, BOGO or Buy X Get Y offers, a free gift with purchase, and dynamic bundles. Build fixed bundles or let shoppers mix and match products and build their own bundle. Add frequently bought together offers, product recommendations, upsell and cross-sell offers, and subscription bundles to product pages. Customize widgets with a sticky Add to Cart button, and analytics for bundle revenue. V Bundles lets you easily create quantity breaks, volume discounts, tiered pricing, BOGO or Buy X Get Y offers, a free gift with purchase, and dynamic bundles. Build fixed bundles or let shoppers mix and match products and build their own bundle. Add frequently bought together offers, product recommendations, upsell and cross-sell offers, and subscription bundles to product pages. Customize widgets with a sticky Add to Cart button, and analytics for bundle revenue. more Create quantity breaks, volume discounts, bulk discounts, and tiered discounts Offer BOGO deals, Buy X Get Y offers, free gift with purchase, product add-ons Build mix-and-match bundles, dynamic bundles, and build-your-own bundles Add frequently bought together, complementary products, and subscription bundles Customize widgets with timers, sticky Add to Cart button and analytics
AI upsell app drives upsell cart funnels, upsell checkout, and thank you page offers. Increase average order value using an AI upsell app built for high conversions. Deploy a targeted order bump or upsell checkout promotion at critical decision points. Present high-converting post purchase offers alongside dynamic thank you page offers. Drive repeat sales with strategic upsell cart placements, upsell post purchase flows, and timely checkout page upsell deals. Deliver an automated checkout recommendation. Migrate from ReConvert, Selleasy, Aftersell, Rebuy, Zipify, or Wiser. Increase average order value using an AI upsell app built for high conversions. Deploy a targeted order bump or upsell checkout promotion at critical decision points. Present high-converting post purchase offers alongside dynamic thank you page offers. Drive repeat sales with strategic upsell cart placements, upsell post purchase flows, and timely checkout page upsell deals. Deliver an automated checkout recommendation. Migrate from ReConvert, Selleasy, Aftersell, Rebuy, Zipify, or Wiser. more AI upsell app for upsell cart, order bumps & upsell post purchase offers Trigger an order bump and responsive upsell cart and checkout page upsell deals Deploy upsell checkout offers and upsell post purchase offers to grow AOV Display a checkout recommendation, thank you page & upsell post purchase deals Present a checkout page upsell or automated checkout recommendation at payment
Automatically hide out of stock variants and republish them when restocked — no theme code needed VarHide automatically hides sold out variants so shoppers only see options they can actually buy. When inventory changes, out-of-stock variants are unpublished from your online store, B2B catalogs, Shopify Markets, and any sales channel you choose — then republished the moment stock returns. Because variants are hidden at the sales-channel level, they disappear from product pages, search, and collection filters with no theme code and no flicker. Set your own rules with the query builder. VarHide automatically hides sold out variants so shoppers only see options they can actually buy. When inventory changes, out-of-stock variants are unpublished from your online store, B2B catalogs, Shopify Markets, and any sales channel you choose — then republished the moment stock returns. Because variants are hidden at the sales-channel level, they disappear from product pages, search, and collection filters with no theme code and no flicker. Set your own rules with the query builder. more Auto-hide out of stock variants in real time as inventory changes Auto-republish variants the moment they're back in stock Hidden at channel level — gone from product pages, search & filters, no code Target specific sales channels, Shopify Markets, B2B & region catalogs Query builder to exclude specific variants from hiding by your own rules
Display unique, dynamic descriptions and metafields for every product variant Give shoppers the exact information they need when they choose a variant. Variant Description OMG lets you add unique descriptions, specs, images, tables, shipping notes, sizing details, materials, care instructions, to each product variant. Help customers understand what they’re buying, reduce support questions, and make complex products easier to purchase. Give shoppers the exact information they need when they choose a variant. Variant Description OMG lets you add unique descriptions, specs, images, tables, shipping notes, sizing details, materials, care instructions, to each product variant. Help customers understand what they’re buying, reduce support questions, and make complex products easier to purchase. more Add a unique description for each product variant Use your own custom variant metafields No coding require. Easy installation for both Online Store 2.0 and Legacy themes Rich full text editor that supports images, videos, links, tables and many more Bulk import and export
Add unique variant descriptions to your products. A simple way to showcase product variant details. With Variant Description Pro you can now add a description for each variant. And support bulk editing. Increase sales, minimize returns, and customer support with descriptions for every product variant. Communicate different shipping times or availability information, provide variant sizing information, display variant materials or fabrics—there are many use cases. This app is the solution for complex products, designed to enhance your product pages. With Variant Description Pro you can now add a description for each variant. And support bulk editing. Increase sales, minimize returns, and customer support with descriptions for every product variant. Communicate different shipping times or availability information, provide variant sizing information, display variant materials or fabrics—there are many use cases. This app is the solution for complex products, designed to enhance your product pages. more Add a description for each product variant Add input/option for each product variant Rich full text editor that supports images, videos, links, tables and many more Bulk add/update descriptions for product variants The app works with all themes. Chat with us to customize app as per your needs
Show the right product description for each variant, in tabs or accordions, not one long block. NEED A DIFFERENT DESCRIPTION FOR EACH VARIANT? Shopify allows one product description per product, but your variants deserve their own product descriptions, unique to every size, colour & delivery time. Add variant descriptions without a separate content setup. Shoppers see only what matches their choice, instantly. Long descriptions become collapsible product tabs or accordions, tabs on desktop & accordions on mobile. Works on product pages, collection pages & any store page. No code required. NEED A DIFFERENT DESCRIPTION FOR EACH VARIANT? Shopify allows one product description per product, but your variants deserve their own product descriptions, unique to every size, colour & delivery time. Add variant descriptions without a separate content setup. Shoppers see only what matches their choice, instantly. Long descriptions become collapsible product tabs or accordions, tabs on desktop & accordions on mobile. Works on product pages, collection pages & any store page. No code required. more Write a different variant description for each size, colour or option you sell Shoppers instantly see the right product description, with no page reload Clear variant details can reduce wrong-size orders, returns & support emails Turn long descriptions into collapsible product tabs, description tabs or FAQs Show tabs on desktop & accordion tabs on mobile, styled to match any theme
Customize products with unlimited options, price add-ons, swatches, buttons conditional logic & more Advanced product options w/ colour swatches & color variant. Create multi select & conditional logic w/ VO Product Options. Use as a product configurator; texboxes, surcharges, & monograms. Create price addons for best custom option variants, & multi variants. VO Options, product varient picker, textfield, textify, variant app, Multiple attributes, g-variants product options, unlimited variant product options to customize products easify options bold product option Advanced product options w/ colour swatches & color variant. Create multi select & conditional logic w/ VO Product Options. Use as a product configurator; texboxes, surcharges, & monograms. Create price addons for best custom option variants, & multi variants. VO Options, product varient picker, textfield, textify, variant app, Multiple attributes, g-variants product options, unlimited variant product options to customize products easify options bold product option more price add on, custom text box, checkbox, photo upload photo, custom options upload image upload file product addons product personalizer, variant picker Infinite Product Options and Custom variant image swatch variant color swatches custom product builder, product add on infinite, options variant image variant textbox product variations best custom product options variant option text field
Add Variant Options in Product Title to improve shopping experience. Variant Title Magic lets you alter your product titles based on the chosen variant, resulting in clearer understanding and minimized confusion for customers. The app automatically updates the product title when a variant is selected and allows you to set a single rule for all product variants in your store, making it user-friendly and straightforward. Implementation is as easy as pressing a button, and you can enjoy the benefits of this product template app right away. Variant Title Magic lets you alter your product titles based on the chosen variant, resulting in clearer understanding and minimized confusion for customers. The app automatically updates the product title when a variant is selected and allows you to set a single rule for all product variants in your store, making it user-friendly and straightforward. Implementation is as easy as pressing a button, and you can enjoy the benefits of this product template app right away. more Update product title based on the variant selected. Set up a single title rule for all your variants based on product information's. Just One Click App reflect of complete product template information.
AI Product groups | Combined listings | Split variants | Variant Image & Color swatch | Variant SEO Selling Products In Many Colors, Materials or Styles? List colors as product variants; you lose per-color SEO, variant description & variant image. List colors as separate products & you lose shop-like-one feel. We Solve Both: split product variants & link product groups into a combined listing. Variants get a unique URL & SEO. Customers switch with color swatch, buttons or dropdowns on product pages & see variants on collection pages. PowerUp variants with urgency, price compare, badges & AI. Selling Products In Many Colors, Materials or Styles? List colors as product variants; you lose per-color SEO, variant description & variant image. List colors as separate products & you lose shop-like-one feel. We Solve Both: split product variants & link product groups into a combined listing. Variants get a unique URL & SEO. Customers switch with color swatch, buttons or dropdowns on product pages & see variants on collection pages. PowerUp variants with urgency, price compare, badges & AI. more Split variants (product variants) into a product per color, material or style Create product groups automatically with AI, in bulk by CSV, by tag or sidekick Variants get its own page, URL, title, variant description, variant image & SEO Show color swatch on product pages. All variants on collection pages with swatch Show price comparison, ratings, low-stock alerts, badges, etc on color swatches.
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About Custom CSS Apps for Shopify
Custom CSS apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.
When choosing a custom css app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.
The apps listed on this page represent some of the best custom css solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.