Design dynamic catalog ads in minutes—no creative or tech limits. Creating catalog ads that match your brand and strategy isn't easy. Most ad platforms limit your design freedom. With Feedom, that’s no longer a problem. Now you can unlock endless creative possibilities. Connect your Shopify catalog and generate dynamic designs ready to scale your campaigns—without building each ad manually. Perfect for e-commerce marketing teams running campaigns on Meta. Creating catalog ads that match your brand and strategy isn't easy. Most ad platforms limit your design freedom. With Feedom, that’s no longer a problem. Now you can unlock endless creative possibilities. Connect your Shopify catalog and generate dynamic designs ready to scale your campaigns—without building each ad manually. Perfect for e-commerce marketing teams running campaigns on Meta. more Use dynamic variables and conditions to show info per product Branded designs at scale, applied to thousands of products in minutes Automatically apply your designs to Meta campaigns
Custom rules Shopify Apps
Enhance your Shopify store with the best Custom rules apps. Get insights on features, pricing, and user reviews for 2026.
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We've analyzed thousands of custom rules apps to identify the top performers based on ratings and install counts.
View Best Custom rules AppsCreate and optimize Google Shopping feeds with Merchant API, global markets, rules & automatic sync. Feedomix helps Shopify merchants create, optimize, and sync Google Shopping product feeds with Google Merchant Center using Merchant API or XML feeds. Manage Shopify Markets, multi-country, multi-language, and multi-currency feeds; map attributes, metafields, GTINs, and Google Product Categories; apply feed rules, formulas, custom labels, exclusions, and bulk edits; sync products, variants, inventory, prices, and availability; and monitor Feed Health, diagnostics, performance, and Free Listings. Feedomix helps Shopify merchants create, optimize, and sync Google Shopping product feeds with Google Merchant Center using Merchant API or XML feeds. Manage Shopify Markets, multi-country, multi-language, and multi-currency feeds; map attributes, metafields, GTINs, and Google Product Categories; apply feed rules, formulas, custom labels, exclusions, and bulk edits; sync products, variants, inventory, prices, and availability; and monitor Feed Health, diagnostics, performance, and Free Listings. more Sync Google Shopping feeds via Merchant API, XML URLs & automatic feed updates Create Shopify Markets feeds for countries, languages, currencies & pricing Optimize feed data with rules, formulas, metafields, labels & bulk editing tools Sync products, variants, inventory, prices & availability with priority updates Monitor Feed Health, diagnostics, performance, history & Google Free Listings
Grow sales on Google and beyond. Feeds go live in a minute, AI-optimized, errors caught first. Grow sales on Google, Meta, Microsoft, TikTok, Pinterest, and more from one feed app. Your feed goes live in a minute. No required fields. Junk barcodes, missing identifiers and shipping gaps are caught before Google sees them. Prices and stock stay in sync. AI helps you optimize any field, guided by the searches shoppers type and skills from 10 years growing client Shopping campaigns. You approve it. Rewrite titles and every field the Google & YouTube channel locks away. Grow sales on Google, Meta, Microsoft, TikTok, Pinterest, and more from one feed app. Your feed goes live in a minute. No required fields. Junk barcodes, missing identifiers and shipping gaps are caught before Google sees them. Prices and stock stay in sync. AI helps you optimize any field, guided by the searches shoppers type and skills from 10 years growing client Shopping campaigns. You approve it. Rewrite titles and every field the Google & YouTube channel locks away. more AI helps you optimize any field for the searches shoppers type. You approve it Catch bad barcodes, missing identifiers and shipping gaps before Google does Preview exactly what Google receives and override any product in seconds Give each Shopify market its own feed with local prices, URLs and translations Rewrite titles and every field the Google & YouTube channel locks away
Create product feeds for shopping catalogs or create custom CSV / TXT / JSON / XML feed. OpenAI Ads Feedyio helps create and manage product feeds for marketplaces, price comparison sites, and shopping platforms from one place. The app includes predefined feed templates for quick setup. The app generates feeds in XML, CSV, and TXT formats that automatically sync with your product catalog. You can customize feed attributes, map categories, and filter products to meet each platform's requirements. The app works with Shopify Markets to support stores selling in multiple languages and currencies. Feedyio helps create and manage product feeds for marketplaces, price comparison sites, and shopping platforms from one place. The app includes predefined feed templates for quick setup. The app generates feeds in XML, CSV, and TXT formats that automatically sync with your product catalog. You can customize feed attributes, map categories, and filter products to meet each platform's requirements. The app works with Shopify Markets to support stores selling in multiple languages and currencies. more Generate product feeds for Google, Facebook, Pinterest, OpenAI Ads and more Multi-language and multi-currency support through Shopify Markets Integrations (Heureka - Overeno Zakazniky, Zbozi.cz, Arukereso - Trusted Shop Create custom XML, TXT, or CSV feeds with your own template in our editor Predefined feed templates for quick setup with major shopping platforms
Show customers exactly when their order arrives in Checkout. Reduce cart abandonment by over 40%. Accurate delivery dates on your product page and checkout, powered by machine learning trained on 400M+ shipment events. Customers don't buy when they don't know when it arrives. FenixCommerce replaces vague "5-7 business days" with a specific date — "Arrives Thursday, June 5" — and gets it right every time. FenixCommerce is used by brands like VUORI, KUIU, Steve Madden, Dermalogica, K18 Hair, TravelPro to optimize their checkout and convert shipping into a profit center from a cost center. Accurate delivery dates on your product page and checkout, powered by machine learning trained on 400M+ shipment events. Customers don't buy when they don't know when it arrives. FenixCommerce replaces vague "5-7 business days" with a specific date — "Arrives Thursday, June 5" — and gets it right every time. FenixCommerce is used by brands like VUORI, KUIU, Steve Madden, Dermalogica, K18 Hair, TravelPro to optimize their checkout and convert shipping into a profit center from a cost center. more Increase conversion — customers buy more when they see a confident delivery date Reduce cart abandonment, increase shipping revenue, and cut support costs. Live in under 10 minutes, no developer needed, works with your existing shipping
FFN Connect offers an integration between your Store and your Fulfillment Provider through JTL-FFN. If you don't need the complexity of a warehouse management system, FFN Connect enables you to easily synchronize products, stocks and orders with your fulfillment service provider through the JTL Fulfillment Network. You can extend your products by Bill of Materials, do partial shipments, manage order addons, view returns and much more. If you don't need the complexity of a warehouse management system, FFN Connect enables you to easily synchronize products, stocks and orders with your fulfillment service provider through the JTL Fulfillment Network. You can extend your products by Bill of Materials, do partial shipments, manage order addons, view returns and much more. more Synchronization of products, stocks and orders Bill of materials, best before dates, batches and serial numbers Works fine with multiple locations Mapping your shipping methods with the shipping methods from your Fulfiller Rules for order addons, ignored products and orders
Uploadly - File Upload is your kit to add powerful file & image upload fields to your product page. Uploadly - File Upload is your kit to add powerful upload fields to your product pages. Let customers choose photos, images and files from their computer or mobile device! All files are linked to the respective order and can be downloaded easily. Your customers can pick their file from their phone, their computer, from Facebook, Instagram, Dropbox, Google Drive and many more accounts. Our upload fields are reliable, secure and give your customers also the opportunity to edit and crop their file. Uploadly - File Upload is your kit to add powerful upload fields to your product pages. Let customers choose photos, images and files from their computer or mobile device! All files are linked to the respective order and can be downloaded easily. Your customers can pick their file from their phone, their computer, from Facebook, Instagram, Dropbox, Google Drive and many more accounts. Our upload fields are reliable, secure and give your customers also the opportunity to edit and crop their file. more Simply create powerful file uploads for products which you can customize. Let customers upload from computer, mobile, Instagram and many more accounts. Let customers crop and edit their files and use textbox to receive notes. Multi-language support. Display the upload button in different languages. Download the files from your customers directly inside the respective order.
Let customers upload artwork, photos, and files to their orders Uploadery lets customers upload files directly when adding your products to their cart. Files are attached to the order in Shopify so you can fulfill without chasing customers. Accept any file type, validate uploads, keep your fulfillment workflow clean, and your shoppers happy. Whether you're selling custom apparel, print products, personalized gifts, or handling B2B orders, Uploadery makes it easy to collect the files you need upfront. Uploadery lets customers upload files directly when adding your products to their cart. Files are attached to the order in Shopify so you can fulfill without chasing customers. Accept any file type, validate uploads, keep your fulfillment workflow clean, and your shoppers happy. Whether you're selling custom apparel, print products, personalized gifts, or handling B2B orders, Uploadery makes it easy to collect the files you need upfront. more Support large files (up to 2GB) for high-resolution images, print, and video Files are attached directly to the order in your Shopify admin Let customers crop and adjust images before upload to reduce errors Control file types, aspect ratios, min/max widths and heights Merchants love the fast, reliable support from our US-based team
Create personalized products for your customers with UploadKit's seamless file upload fields Let your customers upload their file from wherever it is - in their phone, on their computer, or from their Facebook, Instagram or Dropbox account. It's then uploaded fast and reliably, shown on the product page and in their cart, and available for you to download from your Shopify dashboard. With our Google Drive integration, the files will be downloaded direct to your team's computers automatically. Customers can also upload files after checkout with post-purchase uploads. Let your customers upload their file from wherever it is - in their phone, on their computer, or from their Facebook, Instagram or Dropbox account. It's then uploaded fast and reliably, shown on the product page and in their cart, and available for you to download from your Shopify dashboard. With our Google Drive integration, the files will be downloaded direct to your team's computers automatically. Customers can also upload files after checkout with post-purchase uploads. more Accept files from phones, computers, Facebook, Instagram and more Let customers preview, auto-enhance, rotate, sharpen and crop images Automatically sync uploaded files to your Google Drive for faster order handling Let customers upload their files right away, or after checkout Automatically scans all files for malware and blocks viruses and trojans
Enterprise-grade search, merchandising, filters & personalization - made easy. Findify offers enterprise-grade & AI-powered Personalized Search & Merchandising, Smart Collections & Recommendations. While merchants can choose to let Findify’s unique personalization algorithm do all the heavy lifting, they also retain full control to tailor the customer experience, should they wish to. Solutions are also fully customizable to fit with every merchant’s brand & style. | App including Findify's brand new Native Shopify Liquid Integration. Findify offers enterprise-grade & AI-powered Personalized Search & Merchandising, Smart Collections & Recommendations. While merchants can choose to let Findify’s unique personalization algorithm do all the heavy lifting, they also retain full control to tailor the customer experience, should they wish to. Solutions are also fully customizable to fit with every merchant’s brand & style. | App including Findify's brand new Native Shopify Liquid Integration. more Search anything (including content) utilizing NLP, personalization, and more. Full product control with powerful merchandising rules & visual drag & drop. Fully customizable front end. Leverage pre-built components or tailor everything Filters, grid control, promo cards & reviews integrations to inspire shoppers. Active sync ensures all product data (incl. metafields) update within seconds.
Persistent cart across devices with automatic cart sync. Never lose a cart when switching devices. Frustrated with customers abandoning carts when switching devices? Firecart keeps a persistent cart that syncs across mobile, tablet, and desktop. When logged-in customers return on any device, their cart is waiting, exactly as they left it. Sync runs in the background: no popups, no emails. Works with Sidekick: ask about carts saved and synced, orders from synced carts, setup, or one customer's saved cart, and have it fill in changes to guest cart merging, auto-refresh and logout behavior. Frustrated with customers abandoning carts when switching devices? Firecart keeps a persistent cart that syncs across mobile, tablet, and desktop. When logged-in customers return on any device, their cart is waiting, exactly as they left it. Sync runs in the background: no popups, no emails. Works with Sidekick: ask about carts saved and synced, orders from synced carts, setup, or one customer's saved cart, and have it fill in changes to guest cart merging, auto-refresh and logout behavior. more Persistent cart syncs instantly when customers switch between devices One-click install; no coding needed, works immediately with any theme Runs silently in the background with zero impact on store speed No popups, no emails; cart sync happens automatically without friction Ask Sidekick about cart sync results, setup and one customer's cart
Fast Wishlist with POS, B2B, Quotes, Social Proof & Flow Integration. 2 Minute Setup. Wishlist app with features to let customers create lists and share with friends. B2B pricing, plus Request a Quote for B2B stores. Fully integrated with Shopify POS. Get up and running in minutes. Extensive options to create an omnichannel custom wishlist shopping experience. Accounts Tab lets customers access their account with one click from anywhere on your site. White Glove Installation available. Wishlist app with features to let customers create lists and share with friends. B2B pricing, plus Request a Quote for B2B stores. Fully integrated with Shopify POS. Get up and running in minutes. Extensive options to create an omnichannel custom wishlist shopping experience. Accounts Tab lets customers access their account with one click from anywhere on your site. White Glove Installation available. more Express Wishlist: Fast Setup plus Checkout & Account Widgets B2B: Request a Quote, B2B pricing, Draft Order Integration POS: Manage wishlists, purchase history & abandoned Carts Share: Create wishlist links & use Social Proof widgets to boost sales Markets: Multi language & multi currency support
AI-native Cross-Border Commerce platform to power international growth, without complexity. Your international customers deserve the same experience as domestic ones. FlavorCloud provides market intelligence to tap into each market, pricing localization, compliance automation, supply chain decisions, and multi-carrier logistics—so merchants can confidently expand into new markets without rebuilding their stack. Focus on growth. We handle the complexity. Human onboarding and on-going growth support Monday–Friday, 9a–6p ET. Your international customers deserve the same experience as domestic ones. FlavorCloud provides market intelligence to tap into each market, pricing localization, compliance automation, supply chain decisions, and multi-carrier logistics—so merchants can confidently expand into new markets without rebuilding their stack. Focus on growth. We handle the complexity. Human onboarding and on-going growth support Monday–Friday, 9a–6p ET. more Full-funnel pricing optimized by SKU/market. Convert like domestic, everywhere Guranteed DDP - customs, duties, taxes & fees. Predictable & profitable growth. Local fulfillment analysis plus B2B & DTC network. Scale without ops overhead. Intelligent routing. Fastest, cheapest option per shipment. Compliance built in. Growth Intelligence dashboards. Fine tune with recommendations & auto-pilot.
Increase Sales: Slide Cart with One-Click Upsell, Free Shipping w Gift Offers, & Automated Discounts Turn every cart into a bigger order automatically. 1-time setup. Flex Upsell Cart helps you boost sales by showing smart upsells, cross-sells, and special offers directly inside the cart, without disrupting checkout. Easy to set up, works with any Shopify store. ✅ One-Click Upsells & Cross-Sells: Recommend extra products while customers review their cart. ✅ Free Shipping Progress Bar: Motivate bigger orders by showing how much more to spend for free shipping. ✅ Free Gifts & Cart-Only Discounts Turn every cart into a bigger order automatically. 1-time setup. Flex Upsell Cart helps you boost sales by showing smart upsells, cross-sells, and special offers directly inside the cart, without disrupting checkout. Easy to set up, works with any Shopify store. ✅ One-Click Upsells & Cross-Sells: Recommend extra products while customers review their cart. ✅ Free Shipping Progress Bar: Motivate bigger orders by showing how much more to spend for free shipping. ✅ Free Gifts & Cart-Only Discounts more Boost AOV with a progress bar for tiered free shipping, gifts, and discounts Display smart product recommendations and cross-sells based on cart products Increase sales using data, targeted upsell and cross-sell cart add-ons Customize the cart drawer UI to seamlessly match your brand without any code Track performance and optimize conversion rates with advanced cart analytics
Help you manage the product ordering on this collection quickly and efficiently. Help you manage the product ordering on this collection quickly and efficiently. Help you find potential products quickly and give them more display opportunities. And more importantly, it can help you provide conversion rate collection. Collection sort mainly includes the following: Random sorting, Fast set filtering , Simultaneous sorting of multiple products , Fast positioning of multiple products and also, PC and M mode preview etc. Help you manage the product ordering on this collection quickly and efficiently. Help you find potential products quickly and give them more display opportunities. And more importantly, it can help you provide conversion rate collection. Collection sort mainly includes the following: Random sorting, Fast set filtering , Simultaneous sorting of multiple products , Fast positioning of multiple products and also, PC and M mode preview etc. more Automatic fandom sort Fast set filtering Sort multiple products simultaneously
Create inventory feeds in seconds. This app makes is easy to generate product feeds based on inventory data in Shopify. This allows you to use this data in other systems, which can have many different use cases. Feeds can be generated in CSV, XML, JSON and TSV formats, and will be hosted for you, so you can use the feed URL on various marketing platforms. This app makes is easy to generate product feeds based on inventory data in Shopify. This allows you to use this data in other systems, which can have many different use cases. Feeds can be generated in CSV, XML, JSON and TSV formats, and will be hosted for you, so you can use the feed URL on various marketing platforms. more Create inventory feeds with ease, from within Shopify. Apply advanced field formatting using our attribute editor. Full control over update frequency and format.
Customize your Meta product feed. Build enhanced catalogs. Create unique Facebook & Instagram ads. Flexify integrates with Shopify’s Facebook & Instagram Sales Channel, or can be configured as your primary integration. Flexify combines dozens of flexible tools, including: Flexify integrates with Shopify’s Facebook & Instagram Sales Channel, or can be configured as your primary integration. Flexify combines dozens of flexible tools, including: more Manage your product categories, titles, images, and all other fields Add multiple languages and currencies Create flexible product segments. Shopify collections or tags → Meta product set Sharp and friendly support — always humans, never bots Turn boring product images into attention-grabbing dynamic product ads
Maximize AOV with AI powered upsells & Frequently Bought Together Every visitor leaving with one item is a missed opportunity. Fly Bundles plugs profit leaks with high-conversion product bundle kits and combos. Use bulk discounting or a Fixed Bundle to turn tiny carts into massive orders. Our bundle upsell engine, FBT blocks, and quick add-ons make buying more the natural choice. Scale with Quantity Breaks, subscriptions, and progressive free gifts. Zero coding and 24/7 support ensure you never leave money on the table again. Every visitor leaving with one item is a missed opportunity. Fly Bundles plugs profit leaks with high-conversion product bundle kits and combos. Use bulk discounting or a Fixed Bundle to turn tiny carts into massive orders. Our bundle upsell engine, FBT blocks, and quick add-ons make buying more the natural choice. Scale with Quantity Breaks, subscriptions, and progressive free gifts. Zero coding and 24/7 support ensure you never leave money on the table again. more Boost cart value with a Fixed Bundle, BOGO or Frequently Bought Together blocks. Drive bulk sales with tiered Quantity Break and Volume Discount triggers. Incentivize larger carts with a Free Gift and automated bundle upsell tools. Build well integrated, beautiful native widgets with zero impact on store speed Breakdown of bundles for auto discounting, inventory sync, fulfilment, & return
Integrate your orders with Focus shipments 1. Order sync – Integrating your Shopify website with Focus shipments allows you to sync all the orders from your Shopify store with your Focus account. 2. Automatic data input: No need to manually type the order information and shipping addresses. A new shipment is created with all the needed information with one click. 3. Shipping labels: Print shipping labels straight from Shopify with one click. 4. Order updates: Mark the order as fulfilled and update the tracking information. 1. Order sync – Integrating your Shopify website with Focus shipments allows you to sync all the orders from your Shopify store with your Focus account. 2. Automatic data input: No need to manually type the order information and shipping addresses. A new shipment is created with all the needed information with one click. 3. Shipping labels: Print shipping labels straight from Shopify with one click. 4. Order updates: Mark the order as fulfilled and update the tracking information. more Easy to install and ready to use, it quickly integrates with Focus systems Generate your Focus shipments directly from the order view The tracking number received via the order screen and linked to the Focus system Create bulk orders at once (in advanced plan)
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
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About Custom rules Apps for Shopify
Custom rules 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 rules 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 rules solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.