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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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Surprise customers and drive sales with automatically added gifts & products! Boost your Average Order Value (AOV) with auto add gift to cart, free products, gift with purchase, automatic free gifts. Automatically add product to cart based on cart value, products, tags, collections, and other triggers. Run personalised promotions by customer segments, geolocation, and total spend. Customise widgets like popups, sticky bars, and banners. Track performance with advanced analytics to optimise your store’s sales strategy. Boost your Average Order Value (AOV) with auto add gift to cart, free products, gift with purchase, automatic free gifts. Automatically add product to cart based on cart value, products, tags, collections, and other triggers. Run personalised promotions by customer segments, geolocation, and total spend. Customise widgets like popups, sticky bars, and banners. Track performance with advanced analytics to optimise your store’s sales strategy. more Auto add gift to cart by cart total, quantity, product, collection, tag and more Free gift with purchase: set the gift or let the customer choose it in cart Hidden offers via secret link for influencers, social media ads, VIP customers Popup, banner, and sticky bar widgets show progress to the next free gift Analytics on impressions, gift adoption, and orders to see what lifts AOV

4.8(Reviews)

Mix & Match Bundles, Fixed Bundles, Build Your Own Box (BYOB) with Add Ons to boost your AOV Boost AOV with powerful product bundles: Fixed Bundles, Multipacks, Volume Bundles, and create mix and match bundles with add-ons or free gifts, or let customers design their own with our BYOB supporting infinite variants. Build your own bundle (BYOB) with infinite variants. You also have a wide bundle template options. Seamlessly manage your product bundles inventory. Create simple bundles or easy bundles and and get in-depth Analytics into each product group. Build fast bundles that scale. Boost AOV with powerful product bundles: Fixed Bundles, Multipacks, Volume Bundles, and create mix and match bundles with add-ons or free gifts, or let customers design their own with our BYOB supporting infinite variants. Build your own bundle (BYOB) with infinite variants. You also have a wide bundle template options. Seamlessly manage your product bundles inventory. Create simple bundles or easy bundles and and get in-depth Analytics into each product group. Build fast bundles that scale. more Mix and match or Build your box bundle for complex bundling (infinite variants) Automated inventory sync for fast bundles and easy order fulfillment Volume Bundle with quantity breaks, POS to upsell shoppers Fixed Bundles now supports 30 products in a Bundle with bundle analytics Build a Box (BYOB) with Add-ons, Free Gifts, boost AOV & fly revenue fast

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)

AI-powered Page Builder built for Conversion. Create Sales Funnels with Upsells & A/B Tests Build pages by drag & drop without coding, skip the blank page with GemAI to turn any image or URL into an editable layout, or use GemPages MCP to build & refine high conversion pages right inside AI chats. Create complete sales funnels featuring post-purchase upsells & downsells, and A/B offer testing. Start from 400+ CRO templates and sections, keep pages on brand with Global Styles, and schedule the launch. SEO-optimized, mobile-responsive, 160+ app integrations. Build pages by drag & drop without coding, skip the blank page with GemAI to turn any image or URL into an editable layout, or use GemPages MCP to build & refine high conversion pages right inside AI chats. Create complete sales funnels featuring post-purchase upsells & downsells, and A/B offer testing. Start from 400+ CRO templates and sections, keep pages on brand with Global Styles, and schedule the launch. SEO-optimized, mobile-responsive, 160+ app integrations. more GemPages MCP: Build and refine pages that convert, all inside your AI chat GemAI Image-to-Layout: Turn any image or URL into an editable page in seconds Sales Funnels: Pre-sell advertorials, post-purchase upsells, downsells & sub A/B offer testing: Run funnel variants side by side and keep the highest-AOV one Built-in CRO elements: Countdown, stock counter, quantity breaks & bundles

4.9(Reviews)

Show related products and variants as clean swatches. Clearer choices can help shoppers buy faster. Groopie groups related products and shows them as color, image, or button swatches on product pages, collections, search, and home. Shoppers can switch between related listings without leaving the page. Each product keeps its own URL, title, and listing. You can also restyle Shopify variant options as Variant Images, buttons, or dropdowns. Create groups by hand or auto-generate them from titles or tags. Groopie groups related products and shows them as color, image, or button swatches on product pages, collections, search, and home. Shoppers can switch between related listings without leaving the page. Each product keeps its own URL, title, and listing. You can also restyle Shopify variant options as Variant Images, buttons, or dropdowns. Create groups by hand or auto-generate them from titles or tags. more Custom variant picker: Redesign Shopify options as swatches, buttons, dropdowns Products as variants: Link separate listings; each product keeps its own page Collection & search swatches: Color/image/button swatches on product cards Auto-create product groups: From titles or tags in a few steps Product Group Import & Export

5.0(Reviews)

Add gift wrapping, message cards, noshi, and more to your product, cart, or checkout pages Gift Options Plus adds gift wrapping, noshi, message cards, and more to your product, cart, and checkout pages. Show or hide options per product, with text, checkbox, and dropdown inputs styled to match your theme. In the cart, choose "separate" line items or "bundle" mode to merge a product and its options into one clean line. Auto order tagging and order notes integration streamline gift fulfillment, and multilingual support is built in. Set up in 3 steps with hands-on support. Gift Options Plus adds gift wrapping, noshi, message cards, and more to your product, cart, and checkout pages. Show or hide options per product, with text, checkbox, and dropdown inputs styled to match your theme. In the cart, choose "separate" line items or "bundle" mode to merge a product and its options into one clean line. Auto order tagging and order notes integration streamline gift fulfillment, and multilingual support is built in. Set up in 3 steps with hands-on support. more Add gift options to product, cart, or checkout — separate or bundle cart modes Offer gift wrapping, message cards, noshi, and more to boost order value Multilingual support — customize widget text for each language your store serves Set up in 3 steps with instant activation and free hands-on engineer support

4.4(Reviews)

Add unlimited options to any product and charge for the extras. Paid upgrades can lift order value. Shopify caps you at 2,048 variants per product. Globo removes the cap. Build option sets from 30+ field types - text, file upload, colour and image swatches, dropdowns, dates and dimensions - and apply them to one product or the whole catalogue. Charge extra for options that cost more: add-on pricing runs on Shopify Functions, so discount codes and taxes stay accurate. Conditional logic hides options until they are relevant, and every choice flows into orders, packing slips and POS. Shopify caps you at 2,048 variants per product. Globo removes the cap. Build option sets from 30+ field types - text, file upload, colour and image swatches, dropdowns, dates and dimensions - and apply them to one product or the whole catalogue. Charge extra for options that cost more: add-on pricing runs on Shopify Functions, so discount codes and taxes stay accurate. Conditional logic hides options until they are relevant, and every choice flows into orders, packing slips and POS. more Text input field, file upload, color swatch, variant image, dropdown, checkbox Add-on pricing runs on Shopify Functions, so discount codes still apply Conditional logic shows or hides options based on earlier choices or variants Live preview lets shoppers see engraving, monogram or artwork before they buy Powerful product personalization w/ text, images, custom fields & live preview.

4.9(Reviews)

Boost AOV with free shipping bar, free gifts, BOGO, AI upsells & cart goals — under 2min, no code! Increase your average order value by combining progress bars, cart goals, rewards, and AI upsells into one seamless experience that drives higher conversions and increases cart value. Create free shipping bars, offer free gifts with purchase, run BOGO, and show AI product recommendations to increase cart value — all without coding. Perfect if you’re looking to: Increase AOV with cart incentives, offer a free gift with purchase, add a free shipping progress bar & use AI upsells to boost AOV. Increase your average order value by combining progress bars, cart goals, rewards, and AI upsells into one seamless experience that drives higher conversions and increases cart value. Create free shipping bars, offer free gifts with purchase, run BOGO, and show AI product recommendations to increase cart value — all without coding. Perfect if you’re looking to: Increase AOV with cart incentives, offer a free gift with purchase, add a free shipping progress bar & use AI upsells to boost AOV. 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)

Increase AOV using cart drawer with AI upsell, progress bar, countdown timer, fraud-free checkout. GoKwik Cart transforms your shopping experience into a growth engine using intelligence from 200M+ shoppers. Our AI-powered cart drawer predicts intent, serving one-click add-on cart upsells at the perfect moment. Gamify the journey with a cart progress bar that nudges customers toward free gifts, while a cart slider with countdown timers drives immediate action. Fully customizable, RTO-safe & fraud-protected with 24*7 support, the ultimate cart for scaling AOV and conversions for D2C brands. GoKwik Cart transforms your shopping experience into a growth engine using intelligence from 200M+ shoppers. Our AI-powered cart drawer predicts intent, serving one-click add-on cart upsells at the perfect moment. Gamify the journey with a cart progress bar that nudges customers toward free gifts, while a cart slider with countdown timers drives immediate action. Fully customizable, RTO-safe & fraud-protected with 24*7 support, the ultimate cart for scaling AOV and conversions for D2C brands. more Increase AOV with AI cart upsell showing smart discount bundles in cart drawer Incentivize higher spends using cart progress bar with rewards & free gifts Fully customize cart UI with brand colors, dynamic banners & custom discounts Add urgency signals with sticky footer countdown timer and free shipping tracker Measure impact with analytics tracking cart upsell revenue and conversion rates

4.1(Reviews)

Upsell, BOGO, bundle, discount, countdown timers, trust badges, 30+ tools to boost sales & AOV Supercharge your store with 30+ conversion-boosting tools that work seamlessly from landing page to checkout. Deploy features like upsell, BOGO, product bundle, and volume discounts; personalized product recommendations; countdown and low-stock timers; trust and payment badges; image labels; and “get-it-by” delivery timers across your home, collection, product, cart, and checkout pages. Pick the perfect mix to optimize your funnel, engage shoppers at every step, and drive higher revenue. Supercharge your store with 30+ conversion-boosting tools that work seamlessly from landing page to checkout. Deploy features like upsell, BOGO, product bundle, and volume discounts; personalized product recommendations; countdown and low-stock timers; trust and payment badges; image labels; and “get-it-by” delivery timers across your home, collection, product, cart, and checkout pages. Pick the perfect mix to optimize your funnel, engage shoppers at every step, and drive higher revenue. more Boost AOV with upsells, BOGO, bundles, volume discounts & recommendations. Add urgency & trust with countdowns, badges & inventory timers Easy to use & customizable—set up promos in-app in just a few clicks Built on platform best practices. Seamless, code-free discount integration. Target by product, customer, time & more to show the right offer & boost ROI

4.8(Reviews)

Increase AOV with cart upsells, free gifts, and rewards. Customize your cart drawer easily Create a customizable cart drawer with cart upsells, free gifts, rewards bars, discount fields, sticky cart features, and product recommendations. Offer BOGO promotions, cart goals, and frequently bought together bundles to encourage larger orders and reduce cart abandonment. Customize the cart experience without editing theme code and manage promotions from a single dashboard Create a customizable cart drawer with cart upsells, free gifts, rewards bars, discount fields, sticky cart features, and product recommendations. Offer BOGO promotions, cart goals, and frequently bought together bundles to encourage larger orders and reduce cart abandonment. Customize the cart experience without editing theme code and manage promotions from a single dashboard more Cart Upsells: Recommend products directly in the cart drawer Rewards Bar: Encourage larger orders with cart goals Free Gifts: Offer automatic gifts based on cart conditions Discount Field: Apply discount codes directly in the cart Sticky Cart Drawer: Keep the cart accessible across the store

4.5(Reviews)

Add unlimited product options, variants, and swatches with add-on pricing and conditional logic. Hulk Product Options is a product customizer that adds unlimited custom options and variants beyond Shopify's limits. Offer swatches, dropdowns, checkboxes, file uploads, and custom text, with conditional logic that shows or hides options per choice. Boost average order value with add-on pricing - set fixed, percentage, or formula-based charges per option. Apply option sets in bulk across products, track SKUs and inventory, and sell globally with multi-currency, Markets, B2B, and POS support. Hulk Product Options is a product customizer that adds unlimited custom options and variants beyond Shopify's limits. Offer swatches, dropdowns, checkboxes, file uploads, and custom text, with conditional logic that shows or hides options per choice. Boost average order value with add-on pricing - set fixed, percentage, or formula-based charges per option. Apply option sets in bulk across products, track SKUs and inventory, and sell globally with multi-currency, Markets, B2B, and POS support. more Add unlimited product options and variants beyond Shopify's limits. Show or hide options with conditional logic based on each choice. Add-on pricing: apply fixed, percentage, or formula-based charges. Image customizer with swatches, file uploads & Google Font text. Apply option sets in bulk via CSV, with SKU tracking and POS support.

4.8(Reviews)

Boost AOV with slide cart drawer, mini cart & popup - add cart upsell, discounts & countdown timer iCart Cart Drawer Cart Upsell is a multi-featured in-cart upselling & cross-selling app to boost pre-purchase revenue. Replace basic cart with a conversion-optimized cart page, slide cart drawer, mini cart or cart popup. Boost AOV with in-cart upsell, product bundle, progress bar, countdown timer & AI-powered recommendations. Motivate users to buy more save more with cart discounts like volume discount, BOGO, free product/free gift & free shipping bar & get quick answers with AI-powered Sidekick iCart Cart Drawer Cart Upsell is a multi-featured in-cart upselling & cross-selling app to boost pre-purchase revenue. Replace basic cart with a conversion-optimized cart page, slide cart drawer, mini cart or cart popup. Boost AOV with in-cart upsell, product bundle, progress bar, countdown timer & AI-powered recommendations. Motivate users to buy more save more with cart discounts like volume discount, BOGO, free product/free gift & free shipping bar & get quick answers with AI-powered Sidekick more Cart upsell & cross sell: Boost AOV with AI-powered upsell recommendations Slide cart drawer: Reduce abandonment with sticky mini cart drawer & popup Cart discount: Boost revenue with volume discount, BOGO & free gift offers Progress bar: Encourage bigger orders with a free shipping progress bar Cart timer: Create urgency with a countdown timer on cart upsell offers

4.7(Reviews)

Increase AOV w/Targeted Upsell & Cross Sell Offers. Product Page, In Cart, Pop-ups, & Post Purchase! Boost order values with In Cart Upsell & Cross-Sell app & create customized cart & post purchase upsell & cross-sell offers. Personalize shoppers experience w/ conditional logic & triggers. Perfect your upsell strategy with A/B testing on product upsell & cross-sell offers. Analyze effectiveness with an intuitive upselling dashboard. Post Purchase upselling & cross selling is easy with an in cart upsell cart app with 3 minute setup. This robust upsells app maximizes upselling and cross-selling. Boost order values with In Cart Upsell & Cross-Sell app & create customized cart & post purchase upsell & cross-sell offers. Personalize shoppers experience w/ conditional logic & triggers. Perfect your upsell strategy with A/B testing on product upsell & cross-sell offers. Analyze effectiveness with an intuitive upselling dashboard. Post Purchase upselling & cross selling is easy with an in cart upsell cart app with 3 minute setup. This robust upsells app maximizes upselling and cross-selling. more Maximize AOV with upsells on cart page/drawer, product pages & post purchase Set triggers & rules for efficiently targeted cart upsell & cross-sell offers Drive extra revenue with our robust pre and post-purchase upsell capability Fine-tune upsell cart strategies with a smart, easy to read analytics dashboard AI-autopilot feature to power the perfect automatic upselling and cross-selling

4.8(Reviews)

Scan your body in 10 seconds. Know your size. See how it looks. Buy with confidence. Struggling with returns or cart abandonment? Want to personalize the shopping experience? Imersive’s AI Sizing tool captures 30+ body measurements and recommends the right size for each customer based on your product-level size guide. Virtual Try-On lets shoppers see how it looks on them before they buy. One photo. AI Sizing and Virtual Try-On together in one seamless Shopify flow. Result: higher customer satisfaction, fewer returns, and improved sales. Struggling with returns or cart abandonment? Want to personalize the shopping experience? Imersive’s AI Sizing tool captures 30+ body measurements and recommends the right size for each customer based on your product-level size guide. Virtual Try-On lets shoppers see how it looks on them before they buy. One photo. AI Sizing and Virtual Try-On together in one seamless Shopify flow. Result: higher customer satisfaction, fewer returns, and improved sales. more From a Photo or a 10-second AI body scan: 30+ measurements+ recommendation Brand-specific size recommendations mapped to your exact size chart Virtual Try-On: shoppers visualize products on their own photo Works on all devices: mobile, tablet, desktop. Multichannel applications Easy setup: live in under 30 minutes, no developer needed

0.0(Reviews)

Go beyond variant limits with custom product options Let shoppers customize product options directly on your product pages with custom fields and flexible options. Go beyond Shopify's variant limits and offer the options your products actually need. Add pricing for upgrades and bundle add-ons, and create flexible product configurations. Whether you're offering engraving, monograms, add-ons, bundles, or more complex product configurations, Infinite Options from ShopPad helps you collect exactly what you need. Let shoppers customize product options directly on your product pages with custom fields and flexible options. Go beyond Shopify's variant limits and offer the options your products actually need. Add pricing for upgrades and bundle add-ons, and create flexible product configurations. Whether you're offering engraving, monograms, add-ons, bundles, or more complex product configurations, Infinite Options from ShopPad helps you collect exactly what you need. more Add text boxes, dropdowns, checkboxes, swatches, and many other types of options Show or hide product options based on selections with conditional logic Add pricing to create product upgrades, bundles, or add-on upsells Custom product options are included with each order in your Shopify admin Fast, reliable assistance from our fanatical support team

4.7(Reviews)

One platform for marketing and customer engagement teams to collaborate effectively. Insider One is the platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak performance and become unstoppable. With AI and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search. Insider One provides the ultimate vendor experience for 2,000+ customers. Insider One is the platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak performance and become unstoppable. With AI and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search. Insider One provides the ultimate vendor experience for 2,000+ customers. more Recover abandoned carts with triggered Email and SMS Personalize your store with 100+ pre-built templates like Social Proof and more Deliver AI-powered, affinity based recommendations to drive upsell/cross-sell Trigger price drop notifications with WhatsApp Business messages Build unified customer profiles with past behavior, analytics and predictions

4.6(Reviews)

Create a Sticky Add To Cart button to make it easier to buy in your store, and support mobile. Instant Buy allows you to create a button to redirect store visitors to relevant pages like product pages, discount events, and back-in-stock announcements. Shoppers can easily and quickly add products to their cart instantly and be directed to the checkout page with one click checkout. Instant Buy allows you to add your Facebook Pixel ID and Pinterest Tag ID to the Add To Cart button. Statistics and counting the number of impressions and clicks on the Sticky Add To Cart button Instant Buy allows you to create a button to redirect store visitors to relevant pages like product pages, discount events, and back-in-stock announcements. Shoppers can easily and quickly add products to their cart instantly and be directed to the checkout page with one click checkout. Instant Buy allows you to add your Facebook Pixel ID and Pinterest Tag ID to the Add To Cart button. Statistics and counting the number of impressions and clicks on the Sticky Add To Cart button more Create a Sticky Add To Cart button to make it easier to buy in your store Recover abandoned carts with Facebook and Pinterest Remarketing Statistics and counting the number of impressions and clicks on the Ajax Button Customize the button's text, font size, and color to match with the main theme. Optimize execution speed and do not affect website speed

4.4(Reviews)

Add size guide & size charts that matches your brand, lightweight, fast, won’t slow down your store Getting returns because customers pick the wrong size? Our size chart app helps fix that. Create clear, fast-loading size charts and size guides with auto unit conversion, prebuilt templates, and fully flexible layouts. Show measurements with images, tables, or text, and customise every detail with plenty of settings. Translate your size guides for global shoppers, flexible size chart button placement options, and rely on our personalised support. We’ve got everything you need, try it out Getting returns because customers pick the wrong size? Our size chart app helps fix that. Create clear, fast-loading size charts and size guides with auto unit conversion, prebuilt templates, and fully flexible layouts. Show measurements with images, tables, or text, and customise every detail with plenty of settings. Translate your size guides for global shoppers, flexible size chart button placement options, and rely on our personalised support. We’ve got everything you need, try it out more Add tabs, images tables to size chart & create flexible size guide, size charts Assign size charts & size guide to specific products, collections, tags & vendor Flexible size chart & guide button placement option + custom button positioning Mobile & desktop responsive size chart, sizing guide & size charts Multi-language Support – Make sizing guides, size charts & size chart global

5.0(Reviews)

Refresh your buyer’s memory and boost sales by Recently Viewed Products in your store. Generate more revenue | Soft-sell products | Simplify the checkout process. Customers may want to pick up their shopping journey from where they have last left off. The Recently Viewed Products feature offers them an overview of the items they may have explored of late. It serves as a reminder for recently viewed items that once held their interest and encourages them to complete the purchase. We also offer homepage customization to display Recently Viewed Products on the home screen. Generate more revenue | Soft-sell products | Simplify the checkout process. Customers may want to pick up their shopping journey from where they have last left off. The Recently Viewed Products feature offers them an overview of the items they may have explored of late. It serves as a reminder for recently viewed items that once held their interest and encourages them to complete the purchase. We also offer homepage customization to display Recently Viewed Products on the home screen. more Multiple Language Translation Support Mobile-friendly display without losing out on features and functionalities. Customize the “Buy Now/Add to Cart” button to maintain brand consistency. Customize recently viewed products with border and background color and display. Enable or disable the recently viewed product slider and auto slider feature.

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.