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Custom HTML Shopify Apps

Find top-rated Custom HTML tools for Shopify. Explore 20+ apps with detailed reviews, pricing information, and feature comparisons.

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We've analyzed thousands of custom html apps to identify the top performers based on ratings and install counts.

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Add 1-Click COD Form for Dropshipping & boost your Conversions and AOV with Upsells, Offers, OTP ... EasySell simplifies cash payment for your customers by replacing the default Shopify checkout with a tailor-made Cash on Delivery (COD) order form. Let your customers order with a simple COD order form. Orders can be exported automatically to your Google Sheets, grow your AOV with Upsells and quantity offers, Recover potential lost sales with Downsells, Minimize fake orders through phone number verification using SMS/OTP, and track events with Facebook, TikTok, Snapchat, Google... EasySell simplifies cash payment for your customers by replacing the default Shopify checkout with a tailor-made Cash on Delivery (COD) order form. Let your customers order with a simple COD order form. Orders can be exported automatically to your Google Sheets, grow your AOV with Upsells and quantity offers, Recover potential lost sales with Downsells, Minimize fake orders through phone number verification using SMS/OTP, and track events with Facebook, TikTok, Snapchat, Google... more Add an easily customizable Cash on Delivery (COD) order form to your store. Add Quantity offers, Discounts, Downsells, Post-purchase and One-Tick Upsells Export Cash on Delivery orders automatically to Google Sheets. Verify phone numbers by OTP, block IP addresses, and limit postal codes. Add tracking pixels (Facebook, Tiktok, Google, Snapchat, Pinterest).

4.9(Reviews)

Showcase your products with multiple variant images, videos, and 3D models to increase conversions. Variant Gallery lets you display multiple variant images, videos, or 3D models for each product variant, decluttering your product page, helping merchants find what they need, and increasing conversions. Each variant image helps customers better understand product options at a glance. Variant Gallery installs seamlessly without altering your theme and works out of the box—no coding or complex setup needed. Managing variant images and other media is simple and can be done in just a few clicks. Variant Gallery lets you display multiple variant images, videos, or 3D models for each product variant, decluttering your product page, helping merchants find what they need, and increasing conversions. Each variant image helps customers better understand product options at a glance. Variant Gallery installs seamlessly without altering your theme and works out of the box—no coding or complex setup needed. Managing variant images and other media is simple and can be done in just a few clicks. more Display multiple variant images, videos, or 3D models for each product option Organize variant images and other media by options like color, size, or material Manage variant images and other media easily with an intuitive setup Works with popular themes, and we can tailor it for your custom theme

5.0(Reviews)

Easy and smart page builder: build any stunning, sales-ready pages - now supercharged with AI EComposer Landing Page builder lets you design any Shopify page fast with a flexible drag-and-drop editor, smart AI tools, and a huge library of stunning templates for any niche. From Landing, Homepage, Collection page, Product, Blog page, Cart page, Footer, Coming Soon Page, 404 page & any theme section. No code, no limits, no slowing down your site. Replace costly apps with built-in extensions that boost sales. Get the freedom to build the store you imagined - with 24/7 support by your side. EComposer Landing Page builder lets you design any Shopify page fast with a flexible drag-and-drop editor, smart AI tools, and a huge library of stunning templates for any niche. From Landing, Homepage, Collection page, Product, Blog page, Cart page, Footer, Coming Soon Page, 404 page & any theme section. No code, no limits, no slowing down your site. Replace costly apps with built-in extensions that boost sales. Get the freedom to build the store you imagined - with 24/7 support by your side. more Build any page & section: landing to home page, collection page, product, etc. Smart AI for layout builder, element editing, image & content generator 300+ high-converting templates & countless sections for any niche 30+ CRO add-ons: Cross-sell, upsell, popup, back in stock, compare, wishlist etc Advanced: Page Analytics, Global Blocks, Multi-market, Lazy load, etc.

4.9(Reviews)

Cart countdown timer app features urgency cart reserve message that supports cart drawer & cart page Boost your sales exponentially with Cart Countdown Timer app. This app features an urgency cart reserve message with a countdown timer on the cart page which makes the customers to checkout fast. Their engagement with the website will be increased throughout the checkout process as the timer ticks. Use this cart countdown timer app to convert abandon carts into purchases. Many advanced features & styling options are available. A must have urgency timer app for increasing your website sales. Boost your sales exponentially with Cart Countdown Timer app. This app features an urgency cart reserve message with a countdown timer on the cart page which makes the customers to checkout fast. Their engagement with the website will be increased throughout the checkout process as the timer ticks. Use this cart countdown timer app to convert abandon carts into purchases. Many advanced features & styling options are available. A must have urgency timer app for increasing your website sales. more Supports all types of carts (cart pages and side carts) Set up different cart messages for single item carts and multiple item carts Configure action after timer expires (extend timer/ clear cart/ go to homepage) Customize reservation clock time Customize the style based on your preference

4.9(Reviews)

Through upselling on the cart page and cart drawer, Cart Upsell Elite contributes to higher income You can set up an amazing cart experience with Ecom Trend Cart Upsell Elite by creating fully effective and configurable upsell options. You may encourage clients to make larger purchases and save more money by utilizing our app. With our customizable options, you can create designs that complement the style and feel of your website. Cart Upsell Elite allows you to add upselling features to both the cart page and drawer. With Ecom Trend Cart Upsell Elite, you can raise conversions and AOV. You can set up an amazing cart experience with Ecom Trend Cart Upsell Elite by creating fully effective and configurable upsell options. You may encourage clients to make larger purchases and save more money by utilizing our app. With our customizable options, you can create designs that complement the style and feel of your website. Cart Upsell Elite allows you to add upselling features to both the cart page and drawer. With Ecom Trend Cart Upsell Elite, you can raise conversions and AOV. more Add upselling blocks to both the cart page and drawer Boosts AOV Highly Customizable Simple setup Unlimited upsell rules

0.0(Reviews)

Deliver AI Search and Personalization that improves product discovery and boosts conversions Elevate your store's search and discovery experience with the ExpertRec Smart Search bar. Easily filter products by price, collection, tag, vendor, brand, color, size, and metafields. We also power collection pages with product variants, variants filter, collection sort, collection filter, category filter, theme filter, and sidebar filter. Our search & discovery provides instant suggestions, autocorrect, spell check, autocomplete, and fast, accurate results, all while being highly customizable. Elevate your store's search and discovery experience with the ExpertRec Smart Search bar. Easily filter products by price, collection, tag, vendor, brand, color, size, and metafields. We also power collection pages with product variants, variants filter, collection sort, collection filter, category filter, theme filter, and sidebar filter. Our search & discovery provides instant suggestions, autocorrect, spell check, autocomplete, and fast, accurate results, all while being highly customizable. more AI search and discovery, AI Chatbots, Image Search or Visual Search,Voice Search Product Recommendations, AI Merchandising, AI Semantic Search, Personalization Autocomplete, Spell Check, Ranking Control, Advanced Business Rules UI Customizations, GA4 Integration, AI Synonyms, Variant Support Unlimited Search Filters and Collection Filters, Advanced Analytics

4.8(Reviews)

Accurate and personalized size and fit recommendations for online fashion stores EyeFitU enhances online fashion stores with AI-driven size recommendations, improving customer confidence and reducing returns. Our SizeEngine™ platform includes SizeFinder™ for precise sizing and SizeVisualizer™ for an intuitive fit visualization, ensuring a seamless shopping experience. Trusted by major brands, we help fashion retailers optimize conversions and boost sales. EyeFitU enhances online fashion stores with AI-driven size recommendations, improving customer confidence and reducing returns. Our SizeEngine™ platform includes SizeFinder™ for precise sizing and SizeVisualizer™ for an intuitive fit visualization, ensuring a seamless shopping experience. Trusted by major brands, we help fashion retailers optimize conversions and boost sales. more SizeFinder - recommendation engine that provides accurate size recommendation SizeVisualizer - visualization engine assisting shoppers with identifying a fit User Generated Data & Machine Learning for accurate size and fit recommendations Customers need only capture their fit preference once to receive results for all Simple body measurement size tables on a product pages as an option

4.1(Reviews)

Floating add to cart button to reduce cart abandonment, lightweight and mobile responsive design What are the features? Floating cart to reduce cart abandonment, lightweight and mobile responsive design, improve user experience and increase conversion by showing always visible Sticky Add to Cart to your customers on the Product page!How does it work? Install the app with one click, the app works with every theme and requires no coding or changes. You can choose the style of a sticky bar and floating cart to start with. You can also modify colors, styles, and texts according to you What are the features? Floating cart to reduce cart abandonment, lightweight and mobile responsive design, improve user experience and increase conversion by showing always visible Sticky Add to Cart to your customers on the Product page!How does it work? Install the app with one click, the app works with every theme and requires no coding or changes. You can choose the style of a sticky bar and floating cart to start with. You can also modify colors, styles, and texts according to you more The app will improve your sales. You will get more sales with sticky cart Customize colors, backgrounds, text, position & more to match your site Easy to install, just one click to make it works

0.0(Reviews)

Customize product with product personalizer & variants options to boost unique shopping experiences. EZ Product Options helps merchants customize product and create unlimited product options, variants with ease. From text boxes, image dropdowns, and swatches to file uploads and conditional logic, you can build a smooth customization experience for your customers. The app is mobile-friendly, integrates easily with your store design, and saves time by reducing the need for duplicate variants. Merchants can offer personalized products, improve customer experience, and boost sales effortlessly. EZ Product Options helps merchants customize product and create unlimited product options, variants with ease. From text boxes, image dropdowns, and swatches to file uploads and conditional logic, you can build a smooth customization experience for your customers. The app is mobile-friendly, integrates easily with your store design, and saves time by reducing the need for duplicate variants. Merchants can offer personalized products, improve customer experience, and boost sales effortlessly. more Add text fields, dropdowns, checkboxes, color swatches, file uploads, and more. Match option colors, backgrounds, and layout with your store theme. No coding needed, works instantly on any theme, desktop & mobile ready.

4.8(Reviews)

Maximize Your Store Sales & ROI with Search, Filters, Merchandising, and Personalization. We're passionate about delivering a cutting-edge eCommerce experience for our clients. That's why we've developed a revolutionary platform that integrates shopper behavior, store signals, and more to help you optimize your merchandising, navigation, search & product filters. Fast Simon powers shopping optimization through NO-CODE front end, API, JS SDK, REACT Components and Hydrogen. Let us help you take your eCommerce business to the next level. We're passionate about delivering a cutting-edge eCommerce experience for our clients. That's why we've developed a revolutionary platform that integrates shopper behavior, store signals, and more to help you optimize your merchandising, navigation, search & product filters. Fast Simon powers shopping optimization through NO-CODE front end, API, JS SDK, REACT Components and Hydrogen. Let us help you take your eCommerce business to the next level. more Search & Discovery directs shoppers with peak speed and accuracy based on intent Merchandising engages and inspires shoppers while optimizing inventory & sales Personalized Search & Filters that boost customers' conversions Email & SMS integration that helps re-market & retarget with unrivaled precision Search Audiences lets you target and personalize the entire customer journey

4.8(Reviews)

Seamlessly create all bundle types like mix and match, BOGO, addons, etc, to effortlessly boost AOV! FBP | FastBundles provides seamless tools for creating flexible and effective bundle products. Use bundle as product upsell to create offers like mix & match, volume discount, quantity breaks, buy x get y, BOGO, add-ons and fixed bundles—strategies to increase AOV and satisfaction. Let customers build their own bundle or use our bundle builder; free gifts, and AI-powered Frequently Bought Together. We empower you to create all types of bundles, maximizing revenue and delighting your customers. FBP | FastBundles provides seamless tools for creating flexible and effective bundle products. Use bundle as product upsell to create offers like mix & match, volume discount, quantity breaks, buy x get y, BOGO, add-ons and fixed bundles—strategies to increase AOV and satisfaction. Let customers build their own bundle or use our bundle builder; free gifts, and AI-powered Frequently Bought Together. We empower you to create all types of bundles, maximizing revenue and delighting your customers. more Create bundles like Mix&Match or Volume Discounts to boost sales and engagement. Showcase bundled products as kits or sets, simplifying the shopping experience. Let customers customize bundles with an easy-to-use Bundle Builder. Increase customer retention with subscription bundles for recurring sales. Reach a global audience with support for multiple languages and currencies.

5.0(Reviews)

Group products (colors, styles, upsells, etc...) and show more options on the product page. Make it easier for your customers to discover all your products by grouping them based on shared attributes such as style, color, design, etc..., and display them on the product page with ease. If you sell items with similar features, this app makes it super simple to group them. The app also comes with many automations to make the process quicker and automatic. Make it easier for your customers to discover all your products by grouping them based on shared attributes such as style, color, design, etc..., and display them on the product page with ease. If you sell items with similar features, this app makes it super simple to group them. The app also comes with many automations to make the process quicker and automatic. more Create product groups that tie products together based on shared attributes Display grouped products on each product page Many display options (1 or 2 color swatches, custom images, text, etc...) Eliminate manual work with built-in automations Autohide/disable out of stock & unpublished products

5.0(Reviews)

App provides Upsell based Cart Drawer | Popup | Progress Shipping bar | Discount | Agree Terms Flying Cart Slide Drawer Cart skips the redirection to cart page when product is added to cart and show sidebar cart drawer or popup with your cart items. The app also includes the functionalities of Progress Shipping Bar, Discounts, Agree Terms, Upsell. You can rely on the app for hassle free experience for your users to see there products in cart anytime on your site and checkout at the same time. It also includes animated checkout button in cart drawer which will attract users attention. Flying Cart Slide Drawer Cart skips the redirection to cart page when product is added to cart and show sidebar cart drawer or popup with your cart items. The app also includes the functionalities of Progress Shipping Bar, Discounts, Agree Terms, Upsell. You can rely on the app for hassle free experience for your users to see there products in cart anytime on your site and checkout at the same time. It also includes animated checkout button in cart drawer which will attract users attention. more Easy Installation with no coding skill required | Boost Sales with Upselling Update cart through Cart Drawer and easy checkout option | Fully Customization Free Shipping Progress Bar with indicating amount left for free shipping Promo Code for adding discount coupon on slide cart only Announcement bar | I Agree To Cart Terms | Upsell | Cart Notes

4.8(Reviews)

AI-powered skin analysis with personalized product recommendations Formulary's exclusive skin-scanning technology enables customers to conveniently scan their faces from any location and receive instant results. By pinpointing Formulary's six skin health markers—wrinkles, blemishes, eye area, pigmentation, elasticity, and hydration—the app generates immediate results and personalized product recommendations from your lineup. This offers clear insights into individual skincare needs, empowering customers to make confident purchasing decisions. Formulary's exclusive skin-scanning technology enables customers to conveniently scan their faces from any location and receive instant results. By pinpointing Formulary's six skin health markers—wrinkles, blemishes, eye area, pigmentation, elasticity, and hydration—the app generates immediate results and personalized product recommendations from your lineup. This offers clear insights into individual skincare needs, empowering customers to make confident purchasing decisions. more Easy to install, customize and use Scan face from anywhere, receive instant results Delivers personalized product and treatment recommendations Empower customers to make confident purchasing decisions

5.0(Reviews)

Increase your store's conversion rate by 20% and increase 27% in sales with visual recommendations AI-powered visual-based product recommendation engine that shows highly relevant result across large amount of SKUs. Increase clickthrough from your marketing emails with showing highly personalized product emails through Klaviyo integrations. Increase sales, conversion rate, clickthrough rate, and ROI. AI-powered visual-based product recommendation engine that shows highly relevant result across large amount of SKUs. Increase clickthrough from your marketing emails with showing highly personalized product emails through Klaviyo integrations. Increase sales, conversion rate, clickthrough rate, and ROI. more AI-powered product recommendations that show highly visually relevant products Style the recommendation module to your liking. Integrate with Klaviyo and send personalized recommendations in emails.

5.0(Reviews)

Effortless and Conversion-Focused Page Builder. Build Sales Funnels with Post-Purchase Upsell Offers Conversion-focused Page Builder! Choose from 400+ templates of all industries and niches (advertorial, listicle, sales page, landing page, product page, collection, blog post, story-telling pages or any theme sections). Design a unique, branded store with our easy-to-use editor. Boost sales with post-purchase upsell funnels. Launch holiday and special event campaigns effortlessly. Enjoy fast-loading, SEO-optimized pages that enhance mobile visitor experience and drive conversions. AI-powered. Conversion-focused Page Builder! Choose from 400+ templates of all industries and niches (advertorial, listicle, sales page, landing page, product page, collection, blog post, story-telling pages or any theme sections). Design a unique, branded store with our easy-to-use editor. Boost sales with post-purchase upsell funnels. Launch holiday and special event campaigns effortlessly. Enjoy fast-loading, SEO-optimized pages that enhance mobile visitor experience and drive conversions. AI-powered. more All page types: Home, Product, Collection, FAQ, Blog Posts and Landing Pages Stunning mobile-friendly templates that work with the latest Shopify themes Built-in CRO & sales boosters: Countdown, Stock Counter, Bundles, Before & After Minimalized building effort: Turn images/URLs into layouts in seconds with —AI Fully Customizable —Sales Funnels with Post-Purchase Upsell and Downsell Offers

4.9(Reviews)

Add customizable gift options to enhance shopping experience and boost sales Gift Options Plus lets you easily add gift features through intuitive widgets. Offer gift wrapping, noshi, message cards, and more on product, cart, or checkout pages. Each widget is fully customizable to match your store's design. Setup takes just 3 steps, and our support team is always ready to help with any questions. Perfect for boosting sales during holidays and special occasions by enhancing your customers' shopping experience. Gift Options Plus lets you easily add gift features through intuitive widgets. Offer gift wrapping, noshi, message cards, and more on product, cart, or checkout pages. Each widget is fully customizable to match your store's design. Setup takes just 3 steps, and our support team is always ready to help with any questions. Perfect for boosting sales during holidays and special occasions by enhancing your customers' shopping experience. more Add options to product, cart, and checkout pages; manage from central dashboard Offer gift options like message cards to enhance shopping experience Support for multilingual shops with customizable widget text per language Easy setup with instant activation and free engineer support

3.7(Reviews)

Build an unlimited number of custom product options, product variants, variants options Shopify limit 100 variants per product. This app helps you to create infinite product options. It also encourages buyers to personalize their products, which increases sales. Allow shoppers to design their own custom products based on flexible option choices. Apply particular option set to appropriate products. Your customer will be happy to pay a small extra amount for a custom option to have the most satisfied product. Shopify limit 100 variants per product. This app helps you to create infinite product options. It also encourages buyers to personalize their products, which increases sales. Allow shoppers to design their own custom products based on flexible option choices. Apply particular option set to appropriate products. Your customer will be happy to pay a small extra amount for a custom option to have the most satisfied product. more Text input field, file upload, color swatch, variant image, dropdown, checkbox Add-on price - Additional cost when you customer choose a product variants Conditional logic: Show/hide relevant options depending on the previously select Import & Export product variants by CSV file. Complete product custom tool. Apply a option set to either all products or group products

4.9(Reviews)

Incentivise customers to buy more with ⎯ free gift with purchase, free shipping, BOGO & Buy X get Y! Boost AOV with free gift with purchase, order discount or free shipping which are stackable and easily communicated to your customers with our beautiful template. You can set conditions based on cart criteria such as 'Cart value, Cart has products, Cart has X quantity'. You can reward your customers with: 'Free shipping, Order discount, Free gift'. All of the goals are configurable and localised - design, translations, currency, countdown timer. You can even hide goals from specific countries. Boost AOV with free gift with purchase, order discount or free shipping which are stackable and easily communicated to your customers with our beautiful template. You can set conditions based on cart criteria such as 'Cart value, Cart has products, Cart has X quantity'. You can reward your customers with: 'Free shipping, Order discount, Free gift'. All of the goals are configurable and localised - design, translations, currency, countdown timer. You can even hide goals from specific countries. more Configure rules such as ⇝ cart value, cart quantity, cart has XYZ products. Configure stackable rewards such as ⇝ free gift, free shipping, order discount. Set as much as rules and rewards you want, you can stack both rules and rewards. Multi design templates fully localized ⇝ translations & currency conversion. Use it both as a top bar on your shop + a widget which you can place anywhere.

5.0(Reviews)

Boost AOV with a custom slide cart featuring upsells, urgency timer, free shipping/gift bar, etc Boost your Average Order Value (AOV) with an Slide Cart, Cart Drawer, Add to Cart reward bar, free gifts, frequently bought together suggestions, shipping protection, discounts, and more! Enhance cross-selling and upselling opportunities while showcasing important promotions, sales, and products. Motivate customers to spend more by offering rewards like discounts or free shipping on their purchases. Boost your Average Order Value (AOV) with an Slide Cart, Cart Drawer, Add to Cart reward bar, free gifts, frequently bought together suggestions, shipping protection, discounts, and more! Enhance cross-selling and upselling opportunities while showcasing important promotions, sales, and products. Motivate customers to spend more by offering rewards like discounts or free shipping on their purchases. more Cart Upsell & Cross Sell: See popular products often purchased with your cart it Cart reward bar: Encourage customers to spend more by displaying goals Free Gifts: Offer free gifts when customers buy specific items Sticky Add to Cart: "Add to Cart" button always visible while scrolling down Sticky Cart Drawer: Allows shoppers to view the cart without leaving the current

4.6(Reviews)

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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.