Upcart — custom slide cart with full design control to increase AOV and reduce cart abandonment Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile. Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile. more Increase AOV with in-cart upsells and cross-sells for frequently bought items Fully customize cart design with custom templates using HTML, CSS, and JSX Incentivize higher spend with rewards, progress bars, and free shipping goals Boost conversions with in-cart discounts and free gifts Reduce friction with a sticky slide cart that stays visible across your store
Custom HTML Shopify Apps
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Show sticky add to cart buttons on your product pages. This increases sales and reduces abandonment. Allow your customers to quickly add to cart and buy your products. Lengthy product info can make add to cart buttons hard to find. However, a sticky add to cart is always highly visible. So your customers can buy now, add to cart and checkout faster. Our one click install saves time by adding a sticky add to cart that seamlessly integrates into your store. Use our built in reporting to easily see your sales increases and use with your Google Analytics and Facebook Pixel. Allow your customers to quickly add to cart and buy your products. Lengthy product info can make add to cart buttons hard to find. However, a sticky add to cart is always highly visible. So your customers can buy now, add to cart and checkout faster. Our one click install saves time by adding a sticky add to cart that seamlessly integrates into your store. Use our built in reporting to easily see your sales increases and use with your Google Analytics and Facebook Pixel. more Automatically match your store theme with high converting styles. Use our button Animator to attract more attention and 'move' the button. Display at the top or bottom and customize text. Visible and responsive to your customers on mobile, desktop & tablet. Unlimited impressions and clicks included.
Automatically price your customers' multiple uploaded files, images with various conditions. Meet the most advanced file upload app. Replace separate product options and order status apps with our all-in-one print on demand solution. Create targeted fields with strict file and dimension rules to prevent incorrect submissions (e.g DPI check). Calculate pricing dynamically based on file sizes(width, height, PDF page count) or custom forms. Manage production directly in the app. Create custom order statuses, send automated emails, and bulk download renamed files to stay organized. Meet the most advanced file upload app. Replace separate product options and order status apps with our all-in-one print on demand solution. Create targeted fields with strict file and dimension rules to prevent incorrect submissions (e.g DPI check). Calculate pricing dynamically based on file sizes(width, height, PDF page count) or custom forms. Manage production directly in the app. Create custom order statuses, send automated emails, and bulk download renamed files to stay organized. more Create upload fields with strict rules for file types, dimension (e.g DPI Check) Charge dynamic fees based on file sizes(e.g height) or custom form selections Automate file renaming and bulk downloads via built-in File Manager Track production with custom order statuses and auto email alerts (Shopify Flow) Charge dynamically based on inch square dimensions or PDF page counts etc.
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.
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.
Turn product pages and carts into honest upsells: bundles, BOGO, free gifts and cart goals. Upselly helps shoppers buy a little more — and feel good about it. Build bundles, quantity breaks, BOGO deals, free gifts and cart-goal rewards in minutes: pick a template, watch the live preview, publish. Every offer is a real Shopify discount applied automatically at checkout — no fake $0 products, no ads in your checkout, and we never take a cut of your sales. Offers speak your shopper's language too, with widgets translated into 12 languages. Pause an offer and it's gone instantly. Upselly helps shoppers buy a little more — and feel good about it. Build bundles, quantity breaks, BOGO deals, free gifts and cart-goal rewards in minutes: pick a template, watch the live preview, publish. Every offer is a real Shopify discount applied automatically at checkout — no fake $0 products, no ads in your checkout, and we never take a cut of your sales. Offers speak your shopper's language too, with widgets translated into 12 languages. Pause an offer and it's 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
AI cart upsell: Post purchase upsell, checkout upsell, thank you page upsell, volume discount & more Vanga AI automates any upsell for a rapid one click upsell experience! A fully custom cart with CSS-open helps you tailor it to your store. Make your cart upsell, cross sell, checkout upsell, post purchase upsell etc consistent with your store needs. Avoid checkout blocks & watch customers come back to rebuy! Boost AOV with an order bump & selleasy with any AI-based upsell: one click upsell, cart upsell, post purchase upsell, checkout upsell, cross sell and more! Install, enable upsells and win! Vanga AI automates any upsell for a rapid one click upsell experience! A fully custom cart with CSS-open helps you tailor it to your store. Make your cart upsell, cross sell, checkout upsell, post purchase upsell etc consistent with your store needs. Avoid checkout blocks & watch customers come back to rebuy! Boost AOV with an order bump & selleasy with any AI-based upsell: one click upsell, cart upsell, post purchase upsell, checkout upsell, cross sell and more! Install, enable upsells and win! more Bump orders with cart upsell, cross sell, checkout upsell, thank you page upsell Boost user confidence with trust badges & the option to add order notes to cart Reconvert carts with checkout upsell, cart upsell, one click upsell & cross sell Tailor your store with pre-order, custom pre-order message & a fully custom cart Integrations with Klaviyo & Kaching bundles: cart upsell + cross sell with ease
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
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.
Lift AOV & conversion — on-brand cart drawer, bundles, upsells, popups, sections & post purchase. Build a slide-out cart drawer with free-shipping bars, upsells, gifts and 5 bundle types: quantity breaks, BOGO, sets, mix & match + native Shopify bundles. Verve reads your theme so every block matches your brand — or go Verve Light or Dark. The same blocks power pop-ups, bars, sticky add-to-cart, sections, forms & quizzes and the thank-you page. Trigger, target, schedule and A/B test every offer. You only pay for orders where Verve was active in the cart. No code — discounts hold at checkout. Build a slide-out cart drawer with free-shipping bars, upsells, gifts and 5 bundle types: quantity breaks, BOGO, sets, mix & match + native Shopify bundles. Verve reads your theme so every block matches your brand — or go Verve Light or Dark. The same blocks power pop-ups, bars, sticky add-to-cart, sections, forms & quizzes and the thank-you page. Trigger, target, schedule and A/B test every offer. You only pay for orders where Verve was active in the cart. No code — discounts hold at checkout. more On-brand cart drawer that reads your theme — or start from Verve Light & Dark 5 bundle types: quantity breaks, BOGO, sets, mix & match, native Shopify bundles 5 upsells: frequently-bought, AI picks, free-shipping goals, gifts, cross-sell Pop-ups, bars, sticky add-to-cart, sections, forms & quizzes, thank-you page Trigger, target, schedule every offer — then A/B test the winner. No code
A/B Testing With AI. Personalize & A/B Test Price, Offer, Theme, Upsell. Scale CRO With AB Testing AI-powered A/B testing, split testing, and personalization. With Visually AI, test every stage of the shopper journey: AB test homepage, PDPs, carts, A/B test checkouts and post-purchase upsells. Instantly generate site components and uncover what drives conversion rate. Visually connects to your Shopify data for full-funnel analytics and segmentation in one place. Run smarter, no-code A/B testing and CRO and reduce dev time. Migrate from abconvert, vwo, shogun AB test, intelligems or shoplift. AI-powered A/B testing, split testing, and personalization. With Visually AI, test every stage of the shopper journey: AB test homepage, PDPs, carts, A/B test checkouts and post-purchase upsells. Instantly generate site components and uncover what drives conversion rate. Visually connects to your Shopify data for full-funnel analytics and segmentation in one place. Run smarter, no-code A/B testing and CRO and reduce dev time. Migrate from abconvert, vwo, shogun AB test, intelligems or shoplift. more A/B testing in minutes: Generate, edit and launch an AB test using Visually AI Personalize by segment using catalog + behavior signals, Optimize with AB tests Leverage advanced A B testing statistical tech via powerful AB testing analytics Run a split test to max conversion rate on themes, discounts, prices & shipping Ensure no flickering and high page speed using an AB test-focused architecture
Add warnings for Prop 65 (P65), product availability, shipping delays, note, disclaimer and age gate Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got you covered. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Secure your store with accurate warnings, shipping delays alerts, and reduce fraud, chargebacks and inconveniences. Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got you covered. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Secure your store with accurate warnings, shipping delays alerts, and reduce fraud, chargebacks and inconveniences. more Show popups and textual warning note/disclaimer on product page (PDP) & checkout Add unlimited warnings: Prop 65, notice, FAQ, product labels & badges and alerts Show the warnings globally or target specific products, collections & countries Fully customizable warning style, texts, images and buttons to match your store You can entirely block the checkout process when the checkout warning appears
Personalized AI Recommendations with Frequently Bought, Related, Cart Upsell & Post-Purchase Upsells With Wiser, you can showcase AI-recommended products on all pages of your store to upsell. Increase average order value (AOV) by showing frequently bought together bundles, cart/checkout upsells, & targeted product recommendations that are continuously learning from shopper behavior to optimize which products are displayed to each user. Use conditional logic to customize the customer experience for upsell & cross sell offers on product pages, cart drawer, thank you pages, & post-purchase offers. With Wiser, you can showcase AI-recommended products on all pages of your store to upsell. Increase average order value (AOV) by showing frequently bought together bundles, cart/checkout upsells, & targeted product recommendations that are continuously learning from shopper behavior to optimize which products are displayed to each user. Use conditional logic to customize the customer experience for upsell & cross sell offers on product pages, cart drawer, thank you pages, & post-purchase offers. more Frequently Bought Together: Show FBT, related products & recommendations Post Purchase Upsell: Add upsell offers right after checkout completes Advanced Cart Drawer Upsell: Add cross-sell & a free shipping bar in cart Supports: Shopify Markets, multi-currency & multi-language stores Analytics: Track which upsell and cross-sell offers convert
Allow customers to add gift wrap & messages for their orders and earn more upselling opportunities. Offers more value | Upsells your products | Personalizes the orders Wrapin is a super thoughtful feature that shows that you care about your customers and the people they buy gifts for. Use it to gain an edge over your competitors and expand your store's features and functionalities. The app complements your existing theme, design, and layout. Delight and enrich your customer experience by offering gift-wrapping and messages. Use our new gift options and make your presents look even fancier. Offers more value | Upsells your products | Personalizes the orders Wrapin is a super thoughtful feature that shows that you care about your customers and the people they buy gifts for. Use it to gain an edge over your competitors and expand your store's features and functionalities. The app complements your existing theme, design, and layout. Delight and enrich your customer experience by offering gift-wrapping and messages. Use our new gift options and make your presents look even fancier. more Admin can Add Multiple Gift Options with Multiple Language Translation Support. Automatically tag the order with gift-wrapped items and generate a reports. Include a gift wrap option and message details in the order confirmation email. Choose between paid or free gift wrap options & Admin can set gift message limit Customers can add a personalized message for every gift-wrapped box.
Boost sales and order value with personalized gift messages, gift wrap, and gift options. Enable gift wrap, gift messages, and personalized gift options across your store. Customers add gift features on product pages, in cart, or at checkout for a complete gifting experience. Includes customizable gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for holidays, special occasions, Black Friday, and Cyber Monday. Helps increase average order value and boost customer satisfaction through seamless gift experiences that match your store. Enable gift wrap, gift messages, and personalized gift options across your store. Customers add gift features on product pages, in cart, or at checkout for a complete gifting experience. Includes customizable gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for holidays, special occasions, Black Friday, and Cyber Monday. Helps increase average order value and boost customer satisfaction through seamless gift experiences that match your store. more Gift Blocks | Upsell gift options on product pages, carts, and at checkout Order Gift Options | Add gift wrap and gift messages to an entire order Product Gift Options | Add gift wrap and gift messages to individual products Elevated customer experience | A seamless way for shoppers to personalize gifts Fully customizable | Easily match gift option features to your brand and theme
Maximize Revenue with Xboost AI Analysis: AI-Powered Cart Upsell, Free Shipping Bar & Protection Maximize revenue in 1 click! Let Xboost AI analyze your niche & orders to auto-configure a smart Cart Drawer. We optimize strategies for AI-Powered Cart Upsell, Multiple product Addons, and Free Shipping Bar. Drive urgency with an Announcement Bar & Announcement Countdown Cart Timer. Secure sales via Terms and Conditions & Express Payment. Best of all? Effortlessly choose from stunning templates, layouts, and colors to perfectly match your brand style. Maximize revenue in 1 click! Let Xboost AI analyze your niche & orders to auto-configure a smart Cart Drawer. We optimize strategies for AI-Powered Cart Upsell, Multiple product Addons, and Free Shipping Bar. Drive urgency with an Announcement Bar & Announcement Countdown Cart Timer. Secure sales via Terms and Conditions & Express Payment. Best of all? Effortlessly choose from stunning templates, layouts, and colors to perfectly match your brand style. more 1-Click AI: Analyze store data to auto-boost sales instantly. AI-Powered Cart Upsell: Suggest relevant products to increase order value. Cart Add-ons: Multiple product cart add-ons & Shipping Protection. Rewards in Cart: Free shipping bar, discount code, progress bar and free gift. Express Checkout, Trust Badges & Icons, Cart Timer, Announcement Bar
Boost AOV with dynamic progress bars — now with VIP & loyalty-based thresholds Yaco Progress Bar optimizes your cart with progress bars tied to goals: free shipping, discounts, or free gifts. New: reward your loyal customers with thresholds based on lifetime spend or past order count — turn repeat buyers into VIPs automatically. Works on cart page, cart drawer, product page and Shopify Plus Checkout. 100% customizable, responsive, multi-currency, multi-language, with market & customer-tag targeting. Yaco Progress Bar optimizes your cart with progress bars tied to goals: free shipping, discounts, or free gifts. New: reward your loyal customers with thresholds based on lifetime spend or past order count — turn repeat buyers into VIPs automatically. Works on cart page, cart drawer, product page and Shopify Plus Checkout. 100% customizable, responsive, multi-currency, multi-language, with market & customer-tag targeting. more Multiple goals: gifts, discounts, free shipping, BOGO Cart drawer, cart page, product page & checkout integration Fully customizable design, text, and goal sizes NEW — VIP thresholds: reward customers by lifetime spend or past order count Market, country, tag & customer-history targeting
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About Custom HTML Apps for Shopify
Custom HTML 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 html 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 html solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.