App provides Upsell based Cart Drawer | Popup | Progress Shipping bar | Discount | Agree Terms "Flying Cart Slide Drawer" Replaces traditional cart pages with a side-sliding drawer or popup with your cart items and keeping shoppers on the same page. 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" Replaces traditional cart pages with a side-sliding drawer or popup with your cart items and keeping shoppers on the same page. 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 Creates a customizable Slide Cart designed to increase average order value (AOV) 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
Custom code Shopify Apps
Discover the best Custom code apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.
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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
Make your customers advertise for you. The "Follow for Discount" an App lets you add a "Get a Discount" button to your store. When clicked, a discount box will be shown to your customers offering them a discount in exchange of liking your Facebook Page or following you on Twitter. After liking/following you the customer will get a Coupon Code that can be used during the Checkout process. The "Follow for Discount" an App lets you add a "Get a Discount" button to your store. When clicked, a discount box will be shown to your customers offering them a discount in exchange of liking your Facebook Page or following you on Twitter. After liking/following you the customer will get a Coupon Code that can be used during the Checkout process. more Let Your customers Advertise your store for You! Easily customize the Discount Box to fit your store perfectly Increase your Social Visibility effectively
You have seconds to engage visitors. Display Fomo social proof to build trust, urgency, and revenue. Convert paid traffic into sales with social proof that drives results. Display pop-up or on-page messages for recent purchases, add-to-cart events, and product page visits, along with product reviews that build instant trust. Inspire urgency with low stock alerts & limited offer announcements. Fomo integrates with 100+ apps & takes minutes to set up. Our metrics show you what drives the most sales. Our goal: Fomo pays for itself in sales conversions. Contact our team for a 1:1 setup. Convert paid traffic into sales with social proof that drives results. Display pop-up or on-page messages for recent purchases, add-to-cart events, and product page visits, along with product reviews that build instant trust. Inspire urgency with low stock alerts & limited offer announcements. Fomo integrates with 100+ apps & takes minutes to set up. Our metrics show you what drives the most sales. Our goal: Fomo pays for itself in sales conversions. Contact our team for a 1:1 setup. more Social Proof That Converts: Recent sales, visitor count, reviews & social shares Communicate urgency with popups, inline PDP messages/browser push notifications 100+ App Integrations: Works with Klaviyo, Mailchimp, Google Analytics + Webhook Multi-language support: Create sales popups in English, French & 27+ languages ROI Analytics: Track clicks, conversions & revenue by each notification type.
Add Google Forms or Typeform pop-ups to your site the easy way Get info you need from visitors without reinventing your Shopify site! FormPopper lets you to create Google Forms or Typeform popups to collect info and data without fuss. To see it in action visit our demo store. Get info you need from visitors without reinventing your Shopify site! FormPopper lets you to create Google Forms or Typeform popups to collect info and data without fuss. To see it in action visit our demo store. more Add pop-ups fast, across your site or on one page Integrates with Google Forms or Typeform Set-up surveys, quizzes or collect feedback
AI page builder for industry CRO. Build sales-ready landing page, product page, section, fast & easy Foxify AI landing page builder helps you launch sales-ready pages, tailored to your industry: Homepage, Landing page, Product page, Collection page, Lookbook, Blog, About us & more. Build, edit & launch with AI Layout Generator, 250+ high-converting page & section templates across industries, and a no-code drag-and-drop visual store builder. Fox Magic AI writes, translates & optimizes branded SEO-friendly content. Boost conversion with built-in upsell, cross-sell & review features. 24/7 support. Foxify AI landing page builder helps you launch sales-ready pages, tailored to your industry: Homepage, Landing page, Product page, Collection page, Lookbook, Blog, About us & more. Build, edit & launch with AI Layout Generator, 250+ high-converting page & section templates across industries, and a no-code drag-and-drop visual store builder. Fox Magic AI writes, translates & optimizes branded SEO-friendly content. Boost conversion with built-in upsell, cross-sell & review features. 24/7 support. more 250+ CRO templates by niche: landing page, product page, homepage, and sections AI website builder suite: AI Layout Generator, AI content, AI responsive & more Design capabilities: Free-form page builder, Figma design & HTML import plugins Advanced features: Page analytics, SEO checker, lightning page speed, Pan & Zoom Built-in & integrations: Upsell, cross-sell, BOGO, wishlist, reviews, email, SMS
Drive More Sales with Free Gifts, BOGO Deals & Gift Boxes. Boost conversions and customer loyalty with smart, automatic free gift campaigns. From buy one get one to free gift with purchase, this app helps you increase cart value, reduce drop-offs, and create a memorable shopping experience. Launch engaging promos like buy 2 get 1 free, free gift box, or surprise auto gift —with no coding required. Built for fast setup and full customization, this all-in-one solution supports auto add to cart free gift, automatic discounts, and gift with purchase offers Boost conversions and customer loyalty with smart, automatic free gift campaigns. From buy one get one to free gift with purchase, this app helps you increase cart value, reduce drop-offs, and create a memorable shopping experience. Launch engaging promos like buy 2 get 1 free, free gift box, or surprise auto gift —with no coding required. Built for fast setup and full customization, this all-in-one solution supports auto add to cart free gift, automatic discounts, and gift with purchase offers more Auto Add Gift to Cart – Set rules like buy x get y or buy 1 get 1 free. Showcase a Free Gift Box – Let customers choose their free gift easily. Quick Setup with EasyGift Logic – Launch offers in under 2 minutes. Support Buy 2 Get 1 Free, BOGO & More – Flexible rules, no code needed. Ideal for Shopify stores offering free gifts, BOGO, and automatic discount.
Display a sleek & clean-looking Free Shipping Bar on the top of your storefront. Show dynamic or static amounts in the Free Shipping Bar - which updates automatically as the customer adds items to their cart. Fully responsive on all browsers and types of devices. Fully customizable. Customized requirements are acceptable. Show dynamic or static amounts in the Free Shipping Bar - which updates automatically as the customer adds items to their cart. Fully responsive on all browsers and types of devices. Fully customizable. Customized requirements are acceptable. more Unique feel for your store. Based on your store theme. Animations & Special effects. Not to be found anywhere else. High Priority Support. And let's talk if you want more features.
Display free shipping offers with a cart progress sticky bar to motivate customers to buy more! Motivate customers to buy more by emphasizing free shipping offers. With Free Shipping Bar, it’s easier than ever to set cart value goals and keep customers engaged and willing to spend more. The free shipping app supports multiple cart goals by country. Set it up within 5 minutes to drive more sales in your store. Keep customers engaged by showing their progress as they add products to their carts. Motivate customers to complete their purchases once they have reached the cart value goal. Motivate customers to buy more by emphasizing free shipping offers. With Free Shipping Bar, it’s easier than ever to set cart value goals and keep customers engaged and willing to spend more. The free shipping app supports multiple cart goals by country. Set it up within 5 minutes to drive more sales in your store. Keep customers engaged by showing their progress as they add products to their carts. Motivate customers to complete their purchases once they have reached the cart value goal. more Display free shipping offers through a cart progress sticky bar to increase AOV. Set multiple cart goals by country and set a unique cart goal per country. Keep customers engaged by showing their progress towards your cart goal.
Turn blog readers into shoppers. Add products, search, and related articles to posts. Blog Product Spotlight helps merchants turn Shopify blog articles into product discovery pages. Add related product sliders, product link popovers, inline product cards, related articles, blog search, filters, and table of contents blocks so readers can move naturally from content to products. Blog Product Spotlight helps merchants turn Shopify blog articles into product discovery pages. Add related product sliders, product link popovers, inline product cards, related articles, blog search, filters, and table of contents blocks so readers can move naturally from content to products. more Add popover to product links and product card in your blog articles Show related products on blog articles and related articles on product page Add table of content (TOC) to blog articles Add article excerpt to product page Add blog search & filter to search through all articles and tags
Introduction: Grow AOV: Frequently Bought Together, Product Bundles; AI Cross-Sell, Related Products Maximize AOV with Fether, robust all-in-one app for Frequently Bought Together, Product Bundles builder, and Product Add-ons. Our AI analyzes order history to generate smart upsell bundles automatically. Easily create classic Buy Together deals, show high converting Customers Also Bought sections, or display AI powered Related Products storewide. From simple cross sells to complex Amazon-like themes, Fether empowers you to quickly grow revenue with our smart and custom product bundles app. Maximize AOV with Fether, robust all-in-one app for Frequently Bought Together, Product Bundles builder, and Product Add-ons. Our AI analyzes order history to generate smart upsell bundles automatically. Easily create classic Buy Together deals, show high converting Customers Also Bought sections, or display AI powered Related Products storewide. From simple cross sells to complex Amazon-like themes, Fether empowers you to quickly grow revenue with our smart and custom product bundles app. more AI Frequently Bought Together: Auto suggest bundles, upsell based on sales data. Product Bundles Builder: Create custom "Mix & Match" and upsell bundles offers. Related Products: Show Customers Also Bought & You May Also Like (product recs). "Buy Together" Cross-Sells: Create high-converting Buy X get Y bundle offers. Volume Discounts: Auto-apply bulk discounts for buying multiple product bundles.
Replace discount scripts with functions. Create automatic discount functions using our JSON editor. Do you need to replace your scripts with functions? Do you want to write your own functions app but don't want to deal with deployments? With Function Lab, you can generate functions using our JSON editor. Available now: Automatic Discounts. Coming soon: Delivery Customizations, Payment Customizations & Discount Codes. Do you need to replace your scripts with functions? Do you want to write your own functions app but don't want to deal with deployments? With Function Lab, you can generate functions using our JSON editor. Available now: Automatic Discounts. Coming soon: Delivery Customizations, Payment Customizations & Discount Codes. more Take full control of your function with our DIY function editor Copy/paste common functions from our sample library Available to all Shopify plans
Timed discounts with customizable countdown timers on storewide, product, and personalized offers. Furge lets you run time-limited promotions using customizable countdown timers. Merchants can create storewide or product discount campaigns and trigger personalized discount timers based on user actions such as session start, add to cart, remove from cart, or checkout abandonment. The app displays a discount popup and automatically applies discount codes. This simple, code-free tool adds urgency to promotions and lets you easily customize colors, fonts, and backgrounds to match your brand. Furge lets you run time-limited promotions using customizable countdown timers. Merchants can create storewide or product discount campaigns and trigger personalized discount timers based on user actions such as session start, add to cart, remove from cart, or checkout abandonment. The app displays a discount popup and automatically applies discount codes. This simple, code-free tool adds urgency to promotions and lets you easily customize colors, fonts, and backgrounds to match your brand. more Run storewide discount campaigns with a customizable countdown timer. Display discount timers on selected product pages with flexible settings. Trigger personalized discount timers on session start or cart events. Display discount popups that automatically apply discount codes. Customize countdown and discount timer designs to match your store style.
Your simple solution to build anticipation and engage audiences with stunning Coming Soon page! Futurize - Easy Coming Soon, allows you to create stunning coming soon pages with ease. Choose from a variety of ready-made templates and customize taglines, headings, descriptions, countdown timers, subscription forms, and social media icons. Enjoy extensive customization options to make your page unique and engaging, all with just a few clicks. You can choose from a wide range of fonts in the Google font. Besides font selection, you also have the ability to customize various text properties. Futurize - Easy Coming Soon, allows you to create stunning coming soon pages with ease. Choose from a variety of ready-made templates and customize taglines, headings, descriptions, countdown timers, subscription forms, and social media icons. Enjoy extensive customization options to make your page unique and engaging, all with just a few clicks. You can choose from a wide range of fonts in the Google font. Besides font selection, you also have the ability to customize various text properties. more Five ready-made templates with various customization options Gather customer email addresses through different email marketing options Provide customers a password to access the site and skip the Coming Soon page Show a countdown timer to provide users with information about the upcoming site
Create announcment bar with moving banner baner Enhance your store’s visibility with a powerful announcement bar solution. Create a scrolling text banner or scrolling banner to share updates, promotions, and special offers. Use a rotating banner or slide multiple messages in one header banner or top banner. Add clickable links to guide customers to products and deals while keeping your audience engaged with dynamic banner displays. Enhance your store’s visibility with a powerful announcement bar solution. Create a scrolling text banner or scrolling banner to share updates, promotions, and special offers. Use a rotating banner or slide multiple messages in one header banner or top banner. Add clickable links to guide customers to products and deals while keeping your audience engaged with dynamic banner displays. more Create an annoucement bar or hero banner with coupons and discount offers. Use a promo bar and sticky bar that stays visible while scrolling. Highlight discounts, free shipping offers, and seasonal sales with ease. Add sliding or fixed-position effects for dynamic visuals. Easily adjust text, colors, and styles to match your brand’s look.
Ensure EU GPSR compliance with easy safety info management for your products. Stay compliant with the EU’s General Product Safety Regulation (GPSR) effortlessly. GPSR Compliance Manager lets you display essential product safety information like manufacturer details, warnings, and traceability data. Protect your business from legal risks and provide customers with transparent safety info, all while saving time and maintaining a professional storefront. Save time with powerful bulk-editing tools, allowing you to update thousands of SKUs in minutes. Stay compliant with the EU’s General Product Safety Regulation (GPSR) effortlessly. GPSR Compliance Manager lets you display essential product safety information like manufacturer details, warnings, and traceability data. Protect your business from legal risks and provide customers with transparent safety info, all while saving time and maintaining a professional storefront. Save time with powerful bulk-editing tools, allowing you to update thousands of SKUs in minutes. more Effortless Compliance: Simple management of GPSR-required product data. Bulk Editing: Update thousands of SKUs rapidly with accurate GPSR info. Custom Widgets: Display safety details seamlessly on product pages. Multi-Language Support: Ensure compliance across all EU languages. Batch Tracking: Manage batch and serial numbers for full product traceability.
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
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
Turn gift recipients into customers. Gift notes, gift receipts, gift cards, corporate gifting. Most stores ship gifts with the note on a packing slip, prices left in the box, gift cards emailed to the buyer, and bulk orders keyed in by hand. Giftnote fixes all four. Gift notes send by SMS or email the moment your carrier marks the parcel delivered. Gift receipts let recipients return without seeing a price. Gift cards reach the person opening them. One checkout ships to hundreds of addresses. Every recipient syncs to Klaviyo, auto-tagged, so giftees become customers you can market to. Most stores ship gifts with the note on a packing slip, prices left in the box, gift cards emailed to the buyer, and bulk orders keyed in by hand. Giftnote fixes all four. Gift notes send by SMS or email the moment your carrier marks the parcel delivered. Gift receipts let recipients return without seeing a price. Gift cards reach the person opening them. One checkout ships to hundreds of addresses. Every recipient syncs to Klaviyo, auto-tagged, so giftees become customers you can market to. more Gift notes/receipts | SMS & Email Gift Messages sent when the gift is delivered Marketing ROI | Identify Gift recipient and Gifters and turn them into customers Gift Cards | Digital gift cards, store credit, cashback, multi-currency Multi Address Gifts | Self-serve bulk gift orders, multi address & B2B corporate Analytics | Understand what gifters spend, what products they buy and when
Grow through gifting w/ gift options, box builder, multi-shipping & more. One app, one subscription. Giftship is the all-in-one gifting platform on Shopify. Add dozens of blocks such as gift notes, gift wrap, date pickers, upsells, and custom fields to product pages, cart page, drawer cart or checkout (Shopify Plus). All blocks can be displayed dynamically. Ship to multiple recipients from your storefront or dashboard for bulk gifting. Build gift boxes and bundles with a step-by-step box builder. Send digital gift messages by email or SMS. Auto-tag orders and print gift messages and more. Giftship is the all-in-one gifting platform on Shopify. Add dozens of blocks such as gift notes, gift wrap, date pickers, upsells, and custom fields to product pages, cart page, drawer cart or checkout (Shopify Plus). All blocks can be displayed dynamically. Ship to multiple recipients from your storefront or dashboard for bulk gifting. Build gift boxes and bundles with a step-by-step box builder. Send digital gift messages by email or SMS. Auto-tag orders and print gift messages and more. more Ship to multiple recipients in one order — built for corporate gifting. Gift notes, gift wrap, datepicker & upsells: product, cart, drawer, checkout. Show or hide blocks based on customer selections — no developer needed. Step-by-step box builder, unlimited steps and dynamic box sizes. Digital gift messages by email or SMS. One app, one subscription.
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About Custom code Apps for Shopify
Custom code 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 code 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 code solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.