Stop sending paid traffic to PDPs. Build dedicated checkout funnels that convert. Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates. Build your first funnel in minutes with drag-and-drop or let AI generate it from your ad. Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates. Build your first funnel in minutes with drag-and-drop or let AI generate it from your ad. more Stop sending ad traffic to your homepage. Give each campaign its own funnel. Products, inventory, and orders sync automatically with your Shopify store. A/B test page variants and route traffic to the winner automatically. Built-in Meta and TikTok pixel tracking. See conversions per campaign.
Custom HTML Shopify Apps
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A Cart drawer to lift AOV: Free gift with purchase (GWP), BXGY, timers, cart upsell, volume discount Corner Cart is the fast, slide cart drawer that boost your AOV. Corner Cart drawer offers campaigns like free gift with purchase, cart upsell, timers, free shipping bar, and auto add to cart free gifts using real inventory - no need to create $0 gift products that mess up inventory. Built for speed, stability under peak load, and focused on AOV lift. Get Corner Cart set up so your store runs smoothly and converts higher. Corner Cart is the fast, slide cart drawer that boost your AOV. Corner Cart drawer offers campaigns like free gift with purchase, cart upsell, timers, free shipping bar, and auto add to cart free gifts using real inventory - no need to create $0 gift products that mess up inventory. Built for speed, stability under peak load, and focused on AOV lift. Get Corner Cart set up so your store runs smoothly and converts higher. more Powered By Functions: Give any product in inventory as free gift with purchase Multi-tier Progress Bar: Give Free Gift with purchase based on cart total value Smart In Cart Upsells: Upsell frequently bought together items in your cart One Click upsell: Add a checkbox to upsell addon services like Gift wrapping + More marketing & conversion campaigns to boost your Average Order Value (AOV)
Sell custom built products with unlimited option permutations, conditional logic, text & artwork The most powerful customization platform - complete ecosystem. Easy to use interface + AI assistant. Live preview usually drives 30%-50% higher order value. Unmatched features: Text, images, colors, conditional logic, bundles, inventory tracking, price formulas etc. - all in one platform. Integrates with any ERP System. Perfect for jewelry, hardware, sports equipment, apparel, phone cases, home decoration. No risk. 24/7 support. Scalable infrastructure on Google Cloud. The most powerful customization platform - complete ecosystem. Easy to use interface + AI assistant. Live preview usually drives 30%-50% higher order value. Unmatched features: Text, images, colors, conditional logic, bundles, inventory tracking, price formulas etc. - all in one platform. Integrates with any ERP System. Perfect for jewelry, hardware, sports equipment, apparel, phone cases, home decoration. No risk. 24/7 support. Scalable infrastructure on Google Cloud. more Offer 'Build Your Own Product' Experience w/ Live Preview From Every Angle. Upload Photos / Artwork / Logos / Monograms / Text & Almost Any Other File Type. Unlimited Variant Permutations. Robust SKU Constructor & Inventory Tracking. Interactive Printable Areas For Embroidery, Print On Demand & Neon Signs. Customizable via CSS/JS to Match Brand Design. API For External Systems.
Showcase recommended products to customers and they are more likely to buy and increase sales. Our app shows the total clicks on recommended products and also shows the detailed report of total cart revenue. Now you can see the total orders generated by our app. You can pick products by yourself to create cross - sell or upsell for. You can decide which products you want to display as recommended / related products for a particular product. Our app shows the total clicks on recommended products and also shows the detailed report of total cart revenue. Now you can see the total orders generated by our app. You can pick products by yourself to create cross - sell or upsell for. You can decide which products you want to display as recommended / related products for a particular product. more Create cross-sells for products and cart page to engage customers Easily customize the look and feel to match your theme directly inside the app Easy setup - directly from theme editor for 2.0 themes
Create Upsell & cross-sell bundles with discounts to achieve higher sales Cross-sell upsell master offers a wide range of widgets to the customer in which different bundles/funnels can be created with discounts and special offers like percentage discounts or fixed off from the total product prices. The app offers multiple ways like bundle offers, volume discounts, and frequently bought-together offers of the products in simultaneous ways. Also, the app offers some special discounts for a selected group of products to generate higher sales. Cross-sell upsell master offers a wide range of widgets to the customer in which different bundles/funnels can be created with discounts and special offers like percentage discounts or fixed off from the total product prices. The app offers multiple ways like bundle offers, volume discounts, and frequently bought-together offers of the products in simultaneous ways. Also, the app offers some special discounts for a selected group of products to generate higher sales. more Multiple upsell & cross-sell discount bundles can be created on different pages Create bulk quantity discounts, upsell frequently brought together products Fully customizable template to match store color theme
Cut returns with size chart, size guide & size recommenders that help shoppers find their fit. Sizing issues drive apparel returns. Clean Size Charts helps fashion and apparel brands reduce returns with size charts, size recommendations, fit notes, and one-click chart generation from your product data. 18 templates for shirts, pants, dresses, shoes, rings & more. Supports bulk creation, theme app blocks, AI sizing, auto unit conversion, and translations. Switching apps? We'll migrate your charts for free. Sizing issues drive apparel returns. Clean Size Charts helps fashion and apparel brands reduce returns with size charts, size recommendations, fit notes, and one-click chart generation from your product data. 18 templates for shirts, pants, dresses, shoes, rings & more. Supports bulk creation, theme app blocks, AI sizing, auto unit conversion, and translations. Switching apps? We'll migrate your charts for free. more AI size recommendations – Help shoppers find their fit, reduce returns One-click chart generation – AI builds charts from your product data 18 ready templates – Shirts, pants, dresses, shoes, rings & more Auto-assign to products – Rules by collection, vendor, or type Done-for-you setup – We build your first size charts for free
Product customizer that makes it easy for Print on Demand stores to sell personalized products. Customall is the ultimate product personalizer for Print on Demand (POD) store, designed to maximize efficiency & boost sales. With Customall, you can easily set up custom products, offering a wide range of personalization options for your customers. Our app connects with leading Print partners like Dreamship, Printify, Printway, Printful, Gearment to automate fulfillment. Plus, real-time previews ensure that your personalized products convert easily with less return. Customall is the ultimate product personalizer for Print on Demand (POD) store, designed to maximize efficiency & boost sales. With Customall, you can easily set up custom products, offering a wide range of personalization options for your customers. Our app connects with leading Print partners like Dreamship, Printify, Printway, Printful, Gearment to automate fulfillment. Plus, real-time previews ensure that your personalized products convert easily with less return. more Personalization options: custom texts, custom photo upload, clipart... Support text effects, background remover, face cutout... Create products with QR codes, star maps, calendars, and puzzle generators Let customers see design changes in real-time preview before they add to cart Automatically generate high-resolution files for manual or auto-fulfillment.
Powerful POD designer and online customization features for your personalized products. CustoMeow is an online customization tool built for personalized products. Seamlessly integrate the POD Designer into your store, Deliver a true personalized customization experience for your customers, Ensure your personalized orders are fulfilled easily and reliably. CustoMeow is an online customization tool built for personalized products. Seamlessly integrate the POD Designer into your store, Deliver a true personalized customization experience for your customers, Ensure your personalized orders are fulfilled easily and reliably. more True WYSIWYG with 2D, 3D, and high-fidelity mockup previews. Powerful features for apparel, gifts, and more—meeting all customization needs. AI image filters integration unlocks endless creative possibilities. Auto-generated production files sent to factories for maximum efficiency. 10+ years in personalization, always improving to meet your needs.
No-code A/B Testing and Website Personalization CRO platform built for marketers CustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies CustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies more AI Conversion Optimization: Leverage Machine Learning to optimize conversions No code, A/B Testing, Split URL testing, Theme A/B testing, and A/B/N testing Easy to use No code visual editor to personalize product pages & landing pages Add new blocks like Video Reels, Recently Viewed items, and more via drag-n-drop SEO-friendly with fast performance and a flicker-free experience.
All-in-One Personalizer & Customizer with Live Previews & Auto Fulfillment for Any Kind of Store! Sell customized products with Customily, a high-converting product personalizer and customizer for ecommerce. Works for print on demand, engraved jewelry, custom apparel, personalized gifts, laser-cut items, and beyond. Let shoppers customize and personalize products in real time using text, photos, calendars, AI filters, and more, with live preview customization they will trust and love. Automatically customize orders, generate print-ready files, and scale customization with top POD providers. Sell customized products with Customily, a high-converting product personalizer and customizer for ecommerce. Works for print on demand, engraved jewelry, custom apparel, personalized gifts, laser-cut items, and beyond. Let shoppers customize and personalize products in real time using text, photos, calendars, AI filters, and more, with live preview customization they will trust and love. Automatically customize orders, generate print-ready files, and scale customization with top POD providers. more Customize with Texts, Photos, Street/Star Maps, Calendars, AI FILTERS & more! Clipart, Designs, Background Removal, FaceCut, Import from CANVA. All included. Export ready-to-print, engrave or laser-cut files! No extra manual work needed! Connect with different Print-on-Demand (POD) providers to AUTOMATE FULFILLMENT Multi-language support team with LIVE CHAT, onboarding calls & training included
Boost sales with Instant Buy, Product Bundle, Buy X Get Y, free shipping bar, Trust Badges & popups 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. Add Multi Sales Notifications, Low Stock Countdown Bar, Countdown Timer, Sold Counter, Sales Popup, Quick View, Trust Badges, sticky add to cart bar, frequently bought, Announcement Bar, Sticky Cart Drawer & Buy X Get Y & instant Buy Buttons. 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. Add Multi Sales Notifications, Low Stock Countdown Bar, Countdown Timer, Sold Counter, Sales Popup, Quick View, Trust Badges, sticky add to cart bar, frequently bought, Announcement Bar, Sticky Cart Drawer & Buy X Get Y & instant Buy Buttons. more Sales Pop up - Recent Sales Notification boost sales, build trust & social proof Show frequently bought products (FBT), related products, product recommendations Low Stock Countdown & Sold Counter create scarcity, boost sales & add to cart PROMO BAR: promote campaign and show multi announcement bar with Promotional Bar Upsell funnel builder, upsell & cross-sell, frequently bought together up sell
Let customers personalize products in a live design studio. Get print-ready files with every order. DesignO is a web-to-print product customizer for print businesses selling personalized products on Shopify. Customers design apparel, packaging, signage, and print products in a live design studio with templates, AI design tools, and 3D previews. Every order returns a print-ready file — CMYK-accurate with bleed and cut marks — so there's no manual artwork rework before production. Dynamic pricing calculates quotes based on product options and quantities, and orders sync to Shopify. DesignO is a web-to-print product customizer for print businesses selling personalized products on Shopify. Customers design apparel, packaging, signage, and print products in a live design studio with templates, AI design tools, and 3D previews. Every order returns a print-ready file — CMYK-accurate with bleed and cut marks — so there's no manual artwork rework before production. Dynamic pricing calculates quotes based on product options and quantities, and orders sync to Shopify. more AI-powered design studio with templates, cliparts, fonts & smart design tools Live 3D product previews show customers what they'll receive before buying Print-ready CMYK files with bleed & cut marks generated for every order Automated preflight checks catch file errors before they reach production Real-time dynamic pricing as customers pick options, sizes & quantities
Create product options with swatches & price calculators. Sell product bundles and discount upsells Dynamic Product Options is an app to manage customizable product options. Create configurable and bundle products of any complexity. Add math formulas and build your own price calculators. The app supports dependent/conditional custom options, templates, color and image swatches, quantity and tier prices for options, onetime fees, tooltips, absolute pricing, options for customer groups, mathematical formula pricing and much more. Dynamic Product Options is an app to manage customizable product options. Create configurable and bundle products of any complexity. Add math formulas and build your own price calculators. The app supports dependent/conditional custom options, templates, color and image swatches, quantity and tier prices for options, onetime fees, tooltips, absolute pricing, options for customer groups, mathematical formula pricing and much more. more Create unlimited custom options with conditional options and color swatches Create configurable and bundle products with separate SKUs Create price calculators of any complexity using your custom math formula The app has an intuitive UI and a lot of features The app can be integrated into any theme or page builder
Audience-driven upsells, slide cart, subscriptions, ab testing, checkout blocks, and custom widgets. The goal of this app is to increase conversion rate and average order value while offering an unparallel control on personalization. Add checkout blocks and extensions, power a customizable slide cart, bundles, recommendations, upsells, tiered discounts, swap to subscriptions, and reconvert customers to rebuy with 50+ customizable widgets for the entire site. Other features include AB testing, auto free gifts, BOGO, pop ups, one click upsells, post purchase upsells, timers, banners etc. The goal of this app is to increase conversion rate and average order value while offering an unparallel control on personalization. Add checkout blocks and extensions, power a customizable slide cart, bundles, recommendations, upsells, tiered discounts, swap to subscriptions, and reconvert customers to rebuy with 50+ customizable widgets for the entire site. Other features include AB testing, auto free gifts, BOGO, pop ups, one click upsells, post purchase upsells, timers, banners etc. more Personalized in cart upsells and cross-selling, tiered bars, free gifts and more Offer wiser upsells, functions, post purchase upsells, auto add free gift + more Connect segments of audiences to specific widgets for a true personalized store. Reconvert users with simple rebuy offers, bold offers, and swap to subscriptions Includes: Cart, Checkout Extensions, Bundles, BOGO, Free Gift, A/B Testing +
Dynamic Yield helps companies quickly deliver and test personalized, optimized, experiences. With Dynamic Yield leading global brands can quickly deliver and test personalized, optimized, and synchronized digital customer interactions on top of their existing Commerce solutions. Note: This app is a newer version of the old Shopify app, and includes additional enhancements such as adding more product attributes to Dynamic Yield, 3rd party cookie support, and more. Install this app if you haven’t previously installed the old app on your store. With Dynamic Yield leading global brands can quickly deliver and test personalized, optimized, and synchronized digital customer interactions on top of their existing Commerce solutions. Note: This app is a newer version of the old Shopify app, and includes additional enhancements such as adding more product attributes to Dynamic Yield, 3rd party cookie support, and more. Install this app if you haven’t previously installed the old app on your store. more Agility: Experiment more and run personalization at scale, across any channel Platform breadth: Instantly deploy advanced personalization strategies Marketer-friendly: Built with marketers in mind, requires minimal IT involvement Results-focused: Measure the true impact of tests on any digital interaction Open architecture: Easily integrate with the tools you already use
A cart drawer that sells more: upsells, free shipping & gift rewards, plus a sticky add to cart bar. Replace your theme's cart with a fast slide cart drawer built to raise order value. Show upsells and cross-sells inside the cart, a rewards bar with up to 5 tiers of free shipping, discounts and free gifts, add-ons like shipping protection, and express checkout buttons on any theme. Keep the buy button in view with a sticky add to cart bar, quick buy buttons and a floating cart button. Track drawer opens, checkouts and revenue. Match your brand, or let the AI design assistant set up the look. Replace your theme's cart with a fast slide cart drawer built to raise order value. Show upsells and cross-sells inside the cart, a rewards bar with up to 5 tiers of free shipping, discounts and free gifts, add-ons like shipping protection, and express checkout buttons on any theme. Keep the buy button in view with a sticky add to cart bar, quick buy buttons and a floating cart button. Track drawer opens, checkouts and revenue. Match your brand, or let the AI design assistant set up the look. more Slide cart drawer that replaces your theme cart, with upsells and cross-sells Rewards bar with up to 5 tiers of free shipping, discounts and free gifts Add-ons like shipping protection, express checkout buttons, discount codes Sticky add to cart bar keeps the buy button visible on product pages Cart drawer analytics, quick buy buttons and an AI design assistant
Sell more via upsell popups, upgrade, bundle, and cross sell + post purchase offers to add to order! Increase order value with upsell popups and cross-sell offers at every step: product pages, cart, before checkout, in checkout, on the thank you page and post purchase. Offer bundles, BOGO and free gifts, volume discounts, quantity breaks and frequently bought together, with automatic % or amount-off discounts. Shopify AI recommends related and complementary products. A/B test offers to see impressions, add-to-cart rate and value, and status badges show what needs fixing. Increase order value with upsell popups and cross-sell offers at every step: product pages, cart, before checkout, in checkout, on the thank you page and post purchase. Offer bundles, BOGO and free gifts, volume discounts, quantity breaks and frequently bought together, with automatic % or amount-off discounts. Shopify AI recommends related and complementary products. A/B test offers to see impressions, add-to-cart rate and value, and status badges show what needs fixing. more Upsell popups & cross-sell pop ups on product pages, cart and before checkout Post purchase upsell: add items to the order with one click after payment Bundles, BOGO, free gifts, quantity breaks, volume discounts & FBT Checkout, thank you page and order status offers with automatic discounts A/B test offers: impressions, add-to-cart rate and value for each variant
Custom Product Options and Customizer with Text, File Upload, Price Add-ons, Product Personalizer Max Out Sales on product pages with product options variants customizer. Add add-on price, custom field, custom text engraving for jewelry, embroidery, POD, gift wrap, laser engraving. Need sales-first custom product personalization customization? Product Personalizer Live Preview brings customer photo upload file, image upload, custom text field textbox real-time to lift customized product sales. Get conditional product variants options, product personalisation, product customizer configurator. Max Out Sales on product pages with product options variants customizer. Add add-on price, custom field, custom text engraving for jewelry, embroidery, POD, gift wrap, laser engraving. Need sales-first custom product personalization customization? Product Personalizer Live Preview brings customer photo upload file, image upload, custom text field textbox real-time to lift customized product sales. Get conditional product variants options, product personalisation, product customizer configurator. more Product Customization: Personalize items with a product customizer live preview Sales Boosters: Product add-ons upsell, product preview, option badge & discount Conditional Logic: Show/hide product options based on Shopify or custom variants File upload, Image upload, Checkboxes, Dimensions (custom size price calculator) Text box/ Text input/ Custom field, Date Time picker, Dropdown, Image swatch...
Display one-click post-purchase upsells right in checkout. Increase your Shopify store's revenue with our powerful post-purchase upsell app. Instantly present targeted offers to customers after checkout using advanced audience refinement rules. Create both single and multi-product upsells to boost average order value effortlessly. Optimize your strategies with built-in A/B testing support to find what works best. Seamless integration and an intuitive interface make it easy to enhance customer experience and drive more sales. Start maximizing your profit Increase your Shopify store's revenue with our powerful post-purchase upsell app. Instantly present targeted offers to customers after checkout using advanced audience refinement rules. Create both single and multi-product upsells to boost average order value effortlessly. Optimize your strategies with built-in A/B testing support to find what works best. Seamless integration and an intuitive interface make it easy to enhance customer experience and drive more sales. Start maximizing your profit more Create single and multi-product upsell, downsell promotions along with analytics Robust eligibility rules based on customer, product, & order properties etc., A/B Testing built-in to easily optimize your upsells
Upsell, cross sell, and use product recommendations to increase your sales. Increase your sales by displaying offers and product recommendations tailored to each customer. Use the power of artificial intelligence exclusively created for Shopify without configuration or technical knowledge. Convert, grow, and retain more customers through automatic product recommendations and upsells. Increase your sales by displaying offers and product recommendations tailored to each customer. Use the power of artificial intelligence exclusively created for Shopify without configuration or technical knowledge. Convert, grow, and retain more customers through automatic product recommendations and upsells. more Increase average order value and make more sales with easy to setup upsells. Convert and retain more customers through automatic product recommendations. Upsell additional products based on your customer's purchase and behavior. Use the power of artificial intelligence exclusively created for Shopify. Showcase additional products and make more sales during Shopify POS sales.
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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.