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.
Custom HTML Shopify Apps
Find top-rated Custom HTML tools for Shopify. Explore 20+ apps with detailed reviews, pricing information, and feature comparisons.
Looking for the Top Custom HTML Apps?
We've analyzed thousands of custom html apps to identify the top performers based on ratings and install counts.
View Best Custom HTML Apps
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 with one app — on-brand cart drawer, bundles, upsells, popups & sections. Verve is the on-page marketing suite: one app for your cart drawer, pop-ups, announcement bars, countdowns, page sections, product-page deals, forms and quizzes — with one design system behind them all. Verve reads your theme so every block matches your brand, or start from Verve Light and Dark. Bundles in six mechanics (quantity breaks, BOGO, mix & match, sets), five upsell types, and trigger, targeting, schedule and A/B controls on every offer. Discounts hold at checkout. No code needed. Verve is the on-page marketing suite: one app for your cart drawer, pop-ups, announcement bars, countdowns, page sections, product-page deals, forms and quizzes — with one design system behind them all. Verve reads your theme so every block matches your brand, or start from Verve Light and Dark. Bundles in six mechanics (quantity breaks, BOGO, mix & match, sets), five upsell types, and trigger, targeting, schedule and A/B controls on every offer. Discounts hold at checkout. No code needed. more Cart drawer, pop-ups, bars, page sections & product page — one app, one style Six bundle mechanics: quantity breaks, BOGO, mix & match, sets, native bundles Five upsell types with cart-aware rules, free-shipping goals and free gifts Reads your theme so every block is on-brand — or start from Verve Light & Dark Trigger, target, schedule and A/B test every offer — discounts hold at checkout
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 & age verification disclaimer 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. Improve EU withdrawal compliance with CCPA/GDPR accurate warnings, alerts, and reduce fraud & chargebacks. 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. Improve EU withdrawal compliance with CCPA/GDPR accurate warnings, alerts, and reduce fraud & chargebacks. 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
Upsell & Cross Sell with Frequently Bought, AI Search & Filters, Cart Drawer & Post-Purchase Upsells With Wiser, you can showcase AI based product recommendations on your store to upsell. Increase average order value (AOV) by showing frequently bought together bundles, search and discovery, cart/checkout upsells, & targeted product recommendations that are continuously learning from shopper behavior to optimize which products are displayed to each user. 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 based product recommendations on your store to upsell. Increase average order value (AOV) by showing frequently bought together bundles, search and discovery, cart/checkout upsells, & targeted product recommendations that are continuously learning from shopper behavior to optimize which products are displayed to each user. Customize the customer experience for upsell & cross sell offers on product pages, cart drawer, thank you pages, & post-purchase offers. more AI-based Frequently Bought Together: Build product bundles & offer discounts IntelliSearch: AI-powered search & filters to help shoppers find products faster Post Purchase Upsell: Add upsell offers right after checkout completes Advanced Cart Drawer Upsell: Add cross-sell & a free shipping bar in cart 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 wrapping, and gift options. Enable gift wraps, 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 Blocks for: gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for birthdays, 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 wraps, 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 Blocks for: gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for birthdays, 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
You can to create a sliding cart that fits your store style with upsells and add-ons to increase AOV Ymq Cart is a drawer cart builder that integrates many marketing functions. Using Ymq Cart can optimize the checkout process and increase order conversion rate. Increase AOV seamlessly with an all-in-one product upsell with discount promotions. Expand your revenue stream through upsells, add-ons. Our carts are designed to look and feel on-brand to the rest of your site. Ymq Cart is a drawer cart builder that integrates many marketing functions. Using Ymq Cart can optimize the checkout process and increase order conversion rate. Increase AOV seamlessly with an all-in-one product upsell with discount promotions. Expand your revenue stream through upsells, add-ons. Our carts are designed to look and feel on-brand to the rest of your site. more Customize Your Slide Cart Drawer To Match Your Brand Perfectly. Multi-tier Progress Bar: Free Gifts & Discount & Shipping Based On Cart Total. Create An Add-On Option For Shipping Insurance, Priority Processing, Warranties. Add Upselling And Cross-Selling Blocks To Boost Your AOV. Use Countdown Promotion Announcements To Incentivize Adding Items.
Create custom product options, variants, swatches, uploads, conditional logic, dynamic pricing Create unlimited custom options in minutes — no code needed. Break Shopify’s 100-variant limit with YMQ Product Options App. Offer 30+ option types — text, swatches, file uploads, date pickers & more. Option content translation and multi-market pricing boost global sales. Percentage & fixed pricing, discount price, price formulas, and volume discounts boost sales. Use option sets to save time. Supports cart editing, drawer cart & Buy Now. Perfect for personalized, custom & wholesale products. Create unlimited custom options in minutes — no code needed. Break Shopify’s 100-variant limit with YMQ Product Options App. Offer 30+ option types — text, swatches, file uploads, date pickers & more. Option content translation and multi-market pricing boost global sales. Percentage & fixed pricing, discount price, price formulas, and volume discounts boost sales. Use option sets to save time. Supports cart editing, drawer cart & Buy Now. Perfect for personalized, custom & wholesale products. more 30+ option types: text fields, file upload, color swatches, dropdowns, checkboxe Dynamic pricing: add fixed or percentage price add-ons by selected options Conditional Logic: Show product options based on selections or Shopify variants Create price calculators of any complexity using your custom math formula Use volume discounts and discounted prices to boost sales
Custom Product Options for Cakes, Flowers, Gifts, Chocolates, Gift Baskets, Weddings & More Shopify Build Award Winner 2026 – Create custom product options for cakes, flowers, gifts, chocolates, gift baskets, weddings and more. Add personalized cake inscriptions, flower bouquet choices, gift messages, premium add-ons, and seasonal options. Ideal for bakeries, florists, and gift stores, our app helps you upsell with ease. Elevate every order — from wedding cakes to anniversary flowers — into a unique, memorable shopping experience for your customers. Shopify Build Award Winner 2026 – Create custom product options for cakes, flowers, gifts, chocolates, gift baskets, weddings and more. Add personalized cake inscriptions, flower bouquet choices, gift messages, premium add-ons, and seasonal options. Ideal for bakeries, florists, and gift stores, our app helps you upsell with ease. Elevate every order — from wedding cakes to anniversary flowers — into a unique, memorable shopping experience for your customers. more Cake & Bouquet Customization: Flavors, sizes, colors, inscriptions & styles Premium Add-on Pricing: Automatic charges for luxury upgrades and services Dynamic Style Previews: Product images change with customer color selections Personalized Gift Notes: Custom messages for celebrations and special occasions Smart Option Rules: Display relevant choices based on product selections
Related Categories
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.