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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.

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Stop sending paid traffic to PDPs. Build dedicated checkout funnels that convert. Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates. Build your first funnel in minutes with drag-and-drop or let AI generate it from your ad. Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates. Build your first funnel in minutes with drag-and-drop or let AI generate it from your ad. more Stop sending ad traffic to your homepage. Give each campaign its own funnel. Products, inventory, and orders sync automatically with your Shopify store. A/B test page variants and route traffic to the winner automatically. Built-in Meta and TikTok pixel tracking. See conversions per campaign.

5.0(Reviews)

Integrate with OMNI's warehouse and order management system for accurate inventory and fulfillment. CommerceBlitz OMNI is a warehouse and order management system that brings your products, orders, and inventory into one easy to manage platform. The CommerceBlitz OMNI Integration app automatically imports orders into your OMNI account, keeps inventory counts accurate across locations, and syncs fulfillment updates back to your store. Gain real time visibility and control of your operations with a simple setup. CommerceBlitz OMNI is a warehouse and order management system that brings your products, orders, and inventory into one easy to manage platform. The CommerceBlitz OMNI Integration app automatically imports orders into your OMNI account, keeps inventory counts accurate across locations, and syncs fulfillment updates back to your store. Gain real time visibility and control of your operations with a simple setup. more Warehouse Sync Inventory Sync Order Sync

0.0(Reviews)

Automate multichannel selling on Kogan, Discogs, Mirakl, Amazon Vendor Central, DSCO, Orderstream Grow your E-commerce business by automating order, inventory, price & shipping operations across global & regional marketplaces with one single app. Supported global marketplaces: Amazon, eBay, Etsy, Walmart, Temu, Shein, Wayfair, Abebooks, Faire & more. Supported regional marketplaces: B&Q, The Range, The Iconic, Noon, Backmarket, Bunnings, Otto & more. Supported 1st party dropship : Nordstorm, Chewy, Costco, Home Depot, Lowe's, Macy's, Virtual Stock, Commercehub Shipping : Amazon MCF, Walmart Grow your E-commerce business by automating order, inventory, price & shipping operations across global & regional marketplaces with one single app. Supported global marketplaces: Amazon, eBay, Etsy, Walmart, Temu, Shein, Wayfair, Abebooks, Faire & more. Supported regional marketplaces: B&Q, The Range, The Iconic, Noon, Backmarket, Bunnings, Otto & more. Supported 1st party dropship : Nordstorm, Chewy, Costco, Home Depot, Lowe's, Macy's, Virtual Stock, Commercehub Shipping : Amazon MCF, Walmart more Automate product listings, attribute mappings (custom field support) using AI Automated inventory management across channels with advanced rules & buffers Automated rule based price updates across channels with advanced features Automated order & shipping management across channels with rule bases routing ERP/Accounting Connection & marketplace settlement sync for select marketplaces

4.7(Reviews)

Maximize Sales and Unlock Your Store's Potential with a Single App for Upsells Across your Store. Want to increase your store revenue from day one? Look no further than Complete Upsell and Cross Sell. Our app seamlessly integrates with your Shopify theme, making it easy to display and customize high-converting upsells and cross-sells across your online store. With just a few clicks, you can start boosting your sales and delighting your customers. Download Complete Upsell and Cross Sell today and start growing your business! Want to increase your store revenue from day one? Look no further than Complete Upsell and Cross Sell. Our app seamlessly integrates with your Shopify theme, making it easy to display and customize high-converting upsells and cross-sells across your online store. With just a few clicks, you can start boosting your sales and delighting your customers. Download Complete Upsell and Cross Sell today and start growing your business! more Product Page Triggered Upsells and Cross Sells + Personalization In Cart Upselling and Cross Selling, Compatible With All Carts + Themes Post Purchase and Thank You Page One Click Upsells and Cross Sells to Boost AOV A/B and A/B/n Split Testing and Multivariate Testing with Built-in Analytics White Glove Installation and Personalization From Our Dedicated Team

5.0(Reviews)

Accurate Microsoft Ads & Bing conversions, auto UET + live feed sync. Free. Microsoft Ads & Bing convert when your UET tag fires on every purchase and your Shopping feed stays fresh. Conversios auto-installs the Microsoft UET tag to track Add to Cart, Checkout & Purchase, and syncs products, prices & stock to Microsoft Merchant Center in real time, so Bing Shopping ads stay approved. Add Microsoft Clarity & LinkedIn Insight one click. Free to install, no code, every theme. Microsoft Ads & Bing convert when your UET tag fires on every purchase and your Shopping feed stays fresh. Conversios auto-installs the Microsoft UET tag to track Add to Cart, Checkout & Purchase, and syncs products, prices & stock to Microsoft Merchant Center in real time, so Bing Shopping ads stay approved. Add Microsoft Clarity & LinkedIn Insight one click. Free to install, no code, every theme. more Auto UET conversion tracking: Add to Cart, Checkout & Purchase in Microsoft Ads. Real-time Merchant Center sync: products, prices & stock always fresh. Bing Shopping feed: automated attribute mapping, fewer disapprovals. One-click Clarity & LinkedIn Insight: session & LinkedIn tracking in one click. Works with every theme & payment: Shop Pay, PayPal & Shopify Payments.

5.0(Reviews)

ConvertMax lets you create one-click upsells, post-purchase funnels, or use templates for higher AOV ConvertMax helps merchants enhance AOV and revenue through one-click upsells and post-purchase funnels. Our Winning Template, crafted by 28 eCommerce experts and compatible with all websites, launches in under 3 minutes for quick results. Easily create custom funnels with our intuitive drag-and-drop editor and add-ons. With 24/7 customer support and templates available in 15 languages, ConvertMax simplifies global selling and optimizes your sales strategy. ConvertMax helps merchants enhance AOV and revenue through one-click upsells and post-purchase funnels. Our Winning Template, crafted by 28 eCommerce experts and compatible with all websites, launches in under 3 minutes for quick results. Easily create custom funnels with our intuitive drag-and-drop editor and add-ons. With 24/7 customer support and templates available in 15 languages, ConvertMax simplifies global selling and optimizes your sales strategy. more Utilize expert templates, ready in 3 minutes, for effective upsell strategies Seamlessly create upsells and cross-sells post-purchase to maximize order value Effortlessly add more products at checkout, boosting spend without disruption Customize upsell funnel with our easy to use editor for personalized experiences Templates and admin in 15 languages to expand sales globally with consistency

0.0(Reviews)

Automatic freight calculation at checkout for Correios (having or not contract) and other carriers. Automate the calculation of shipping and delivery time at your checkout and provide accurate shipping information before checkout, increasing conversion rates. Integrate with the main Brazilian carriers, such as Correios, Jadlog, Loggi and Total Express, providing greater convenience to the customer in choosing freight and delivery time. Eliminate time spent on manual settings and improve the shopping experience in your store. Automate the calculation of shipping and delivery time at your checkout and provide accurate shipping information before checkout, increasing conversion rates. Integrate with the main Brazilian carriers, such as Correios, Jadlog, Loggi and Total Express, providing greater convenience to the customer in choosing freight and delivery time. Eliminate time spent on manual settings and improve the shopping experience in your store. more Automatic freight calculation at checkout page for Correios, SEDEX and others. Includes Brazilian carriers such as Jadlog, Total Express, Loggi and Jadlog. Plug & Play. Install and start using with few configurations. Flexible. Works with and without a contract with Correios. Works with dropshipping, marketplace, multi-origin.

3.6(Reviews)

Cálculo de frete Correios com SEDEX, PAC, Internacional, Mini Envios, para otimizar sua logística. Potencialize sua logística com o cálculo de frete mais completo dos Correios. O Cotei integra SEDEX, PAC, Log+, Mini Envios, Internacional, SEDEX 12, etc. diretamente no checkout. Configure seu contrato para tarifas oficiais e aplique metadados de dimensões para estimativas exatas. Escolha entre caixas personalizadas ou dos Correios, adicione dias extras de processamento e exiba prazos em dias úteis ou corridos com total precisão. Potencialize sua logística com o cálculo de frete mais completo dos Correios. O Cotei integra SEDEX, PAC, Log+, Mini Envios, Internacional, SEDEX 12, etc. diretamente no checkout. Configure seu contrato para tarifas oficiais e aplique metadados de dimensões para estimativas exatas. Escolha entre caixas personalizadas ou dos Correios, adicione dias extras de processamento e exiba prazos em dias úteis ou corridos com total precisão. more Cálculo de frete Correios SEDEX, PAC e Internacional com precisão total Compatível com SEDEX 12, Log+ e Mini Envios para entregas nacionais e globais Use seus metacampos de dimensões e melhore a exatidão do frete Cálculo com caixas customizadas ou oficiais dos Correios Adicione dias extras de processamento nas estimativas

4.9(Reviews)

Sell custom built products with unlimited option permutations, conditional logic, text & artwork The most powerful customization platform - complete ecosystem. Easy to use interface + AI assistant. Live preview usually drives 30%-50% higher order value. Unmatched features: Text, images, colors, conditional logic, bundles, inventory tracking, price formulas etc. - all in one platform. Integrates with any ERP System. Perfect for jewelry, hardware, sports equipment, apparel, phone cases, home decoration. No risk. 24/7 support. Scalable infrastructure on Google Cloud. The most powerful customization platform - complete ecosystem. Easy to use interface + AI assistant. Live preview usually drives 30%-50% higher order value. Unmatched features: Text, images, colors, conditional logic, bundles, inventory tracking, price formulas etc. - all in one platform. Integrates with any ERP System. Perfect for jewelry, hardware, sports equipment, apparel, phone cases, home decoration. No risk. 24/7 support. Scalable infrastructure on Google Cloud. more Offer 'Build Your Own Product' Experience w/ Live Preview From Every Angle. Upload Photos / Artwork / Logos / Monograms / Text & Almost Any Other File Type. Unlimited Variant Permutations. Robust SKU Constructor & Inventory Tracking. Interactive Printable Areas For Embroidery, Print On Demand & Neon Signs. Customizable via CSS/JS to Match Brand Design. API For External Systems.

4.7(Reviews)

Add Cart Upsells. Multiple Free Gifts, Bulk Discounts, Dynamic Progress Bar, Urgency + Trust Element Start maximizing every cart’s value with intelligent upsells, bulk discounts, and free gift tiers—all designed to boost AOV and customer satisfaction. Motivate shoppers to spend more with progress bars, time-limited incentives, and personalized offers that build urgency and trust. Simplify your workflow with automatic offer triggers, smart targeting, and seamless checkout integration. Easy to set up, fully customizable, and made to fit naturally into your Shopify store experience. Start maximizing every cart’s value with intelligent upsells, bulk discounts, and free gift tiers—all designed to boost AOV and customer satisfaction. Motivate shoppers to spend more with progress bars, time-limited incentives, and personalized offers that build urgency and trust. Simplify your workflow with automatic offer triggers, smart targeting, and seamless checkout integration. Easy to set up, fully customizable, and made to fit naturally into your Shopify store experience. more Multiple free gifts at spend goals to boost order value and reward customers Show smart upsells and product offers in cart to lift AOV fast. Dynamic progress bar tracks free gift and shipping goals in real time Fast, customizable, multilingual design that fits your brand perfectly Ultra-fast, 0-redirect experience that won't slow down your store or page speed.

5.0(Reviews)

Showcase recommended products to customers and they are more likely to buy and increase sales. Our app shows the total clicks on recommended products and also shows the detailed report of total cart revenue. Now you can see the total orders generated by our app. You can pick products by yourself to create cross - sell or upsell for. You can decide which products you want to display as recommended / related products for a particular product. Our app shows the total clicks on recommended products and also shows the detailed report of total cart revenue. Now you can see the total orders generated by our app. You can pick products by yourself to create cross - sell or upsell for. You can decide which products you want to display as recommended / related products for a particular product. more Create cross-sells for products and cart page to engage customers Easily customize the look and feel to match your theme directly inside the app Easy setup - directly from theme editor for 2.0 themes

5.0(Reviews)

Create Upsell & cross-sell bundles with discounts to achieve higher sales Cross-sell upsell master offers a wide range of widgets to the customer in which different bundles/funnels can be created with discounts and special offers like percentage discounts or fixed off from the total product prices. The app offers multiple ways like bundle offers, volume discounts, and frequently bought-together offers of the products in simultaneous ways. Also, the app offers some special discounts for a selected group of products to generate higher sales. Cross-sell upsell master offers a wide range of widgets to the customer in which different bundles/funnels can be created with discounts and special offers like percentage discounts or fixed off from the total product prices. The app offers multiple ways like bundle offers, volume discounts, and frequently bought-together offers of the products in simultaneous ways. Also, the app offers some special discounts for a selected group of products to generate higher sales. more Multiple upsell & cross-sell discount bundles can be created on different pages Create bulk quantity discounts, upsell frequently brought together products Fully customizable template to match store color theme

0.0(Reviews)

Dropship your products via unlimited online retailers and build a virtual sales army with Crowdship! Crowdship enables brands and distributors to launch a fully automated dropship network, making it a breeze to service unlimited retailers. Publish products to your curated network of retailers, or publish to our Marketplace to instantly let the growing network of Crowdship retailers find & sell your products. Crowdship helps you find find partners, curate a catalog, sync listings, inventory, orders, fulfillments & more. Get paid automatically via ACH and eliminate accounts receivable issues. Crowdship enables brands and distributors to launch a fully automated dropship network, making it a breeze to service unlimited retailers. Publish products to your curated network of retailers, or publish to our Marketplace to instantly let the growing network of Crowdship retailers find & sell your products. Crowdship helps you find find partners, curate a catalog, sync listings, inventory, orders, fulfillments & more. Get paid automatically via ACH and eliminate accounts receivable issues. more Publish products to Crowdship Marketplace to be discovered by leading retailers. Create a private dropship network & sync your store with only certain retailers. Tap into a growing network of online retailers ready to sell your products. Automate all order payments, and provide net terms to your trusted retailers.

1.4(Reviews)

Amazon Integration For Amazon Sellers. Sync Your Amazon Inventory & Manage The Amazon Sales Channel. CS Amazon Integration & Sync, formerly “Amazon Integration Plus”, connects your store to your Amazon sales channel. Manage your Amazon dropshipping, Amazon FBA, and Amazon MCF orders. The Amazon importer and a real-time Amazon sync keep your Amazon inventory and Amazon orders updated to prevent overselling. Fulfill any Amazon order with the Amazon connect feature, an essential Amazon integration tool for any Amazon seller. Easily migrate from reputon, litcommerce, webbee, codisto, or bytestand. CS Amazon Integration & Sync, formerly “Amazon Integration Plus”, connects your store to your Amazon sales channel. Manage your Amazon dropshipping, Amazon FBA, and Amazon MCF orders. The Amazon importer and a real-time Amazon sync keep your Amazon inventory and Amazon orders updated to prevent overselling. Fulfill any Amazon order with the Amazon connect feature, an essential Amazon integration tool for any Amazon seller. Easily migrate from reputon, litcommerce, webbee, codisto, or bytestand. more Powerful Amazon seller tool to sync your Amzon Pro account & Amazon inventory Centralize all your Amazon orders in one dashboard for seamless Amazon sync Global Amazon integration: supports multiple accounts, countries, and currencies Complete Amazon dropshipping solution with real-time Amazon inventory sync An Amazon importer providing full support for Amazone FBA, Prime, and Amazon MCF

4.1(Reviews)

Sync products to Google Shopping with real-time updates for higher approval rates Manage & sync Shopify products to Google Shopping feeds with a no-code setup. Keep products, prices, availability, & variants accurately synced to Google Merchant Center using real-time & scheduled updates to help achieve higher product approval rates. Get clear reporting on feed status & item issues so you can act quickly. Accurate product data keeps Shopping campaigns aligned as store details change. Best for DTC & ecommerce Shopify stores using Shopping feeds. Get Support: info@conversios.io Manage & sync Shopify products to Google Shopping feeds with a no-code setup. Keep products, prices, availability, & variants accurately synced to Google Merchant Center using real-time & scheduled updates to help achieve higher product approval rates. Get clear reporting on feed status & item issues so you can act quickly. Accurate product data keeps Shopping campaigns aligned as store details change. Best for DTC & ecommerce Shopify stores using Shopping feeds. Get Support: info@conversios.io more Automatically sync Shopify products to Shopping feeds in Merchant Center Create Shopping product feeds with advanced attribute and variant mapping Map Shopify products to Shopping categories for better feed accuracy Keep feeds updated using real-time sync and scheduled product refreshes View feed status, approvals, and item issues with built-in reporting

0.0(Reviews)

Turn boring customer account pages into Loyalty Suite: smart personalized AI customer account pages. Upgrade your customer account page with Custlo. Customize order history, profiles and order details with multi-language support. Add custom profile fields, order tracking, store credit, reordering, quick contact, profile editing, post-purchase upsells, order editing, customer segments and more. Connect with 40+ app integrations and create a personalized customer experience that drives loyalty and repeat sales. Upgrade your customer account page with Custlo. Customize order history, profiles and order details with multi-language support. Add custom profile fields, order tracking, store credit, reordering, quick contact, profile editing, post-purchase upsells, order editing, customer segments and more. Connect with 40+ app integrations and create a personalized customer experience that drives loyalty and repeat sales. more Customize customer profiles with custom fields and personalized details Reward customers with store credit to increase loyalty and repeat sales Support multiple languages for a localized customer account experience Increase sales with post-purchase upsells and easy customer order editing Connect seamlessly with 40+ app integrations to extend your account page

4.9(Reviews)

Create unlimited custom product options, variants, and add-ons like a chamelon This application helps you create unlimited product options. It also encourages buyers to personalize their products, thereby increasing sales. Allow shoppers to design their own custom products based on flexible option selections, and apply add-on prices for customization. The generated orders will display the add-on items separately, allowing merchants to edit the order by removing the add-on items and shipping them separately. This application helps you create unlimited product options. It also encourages buyers to personalize their products, thereby increasing sales. Allow shoppers to design their own custom products based on flexible option selections, and apply add-on prices for customization. The generated orders will display the add-on items separately, allowing merchants to edit the order by removing the add-on items and shipping them separately. more Provides a variety of element components Add-on price - Additional cost when your customer chooses a product variant No additional products will be created to implement the add-on price.

0.0(Reviews)

Powerful POD designer and online customization features for your personalized products. CustoMeow is an online customization tool built for personalized products. Seamlessly integrate the POD Designer into your store, Deliver a true personalized customization experience for your customers, Ensure your personalized orders are fulfilled easily and reliably. CustoMeow is an online customization tool built for personalized products. Seamlessly integrate the POD Designer into your store, Deliver a true personalized customization experience for your customers, Ensure your personalized orders are fulfilled easily and reliably. more True WYSIWYG with 2D, 3D, and high-fidelity mockup previews. Powerful features for apparel, gifts, and more—meeting all customization needs. AI image filters integration unlocks endless creative possibilities. Auto-generated production files sent to factories for maximum efficiency. 10+ years in personalization, always improving to meet your needs.

4.7(Reviews)

Find shoppers who open new email accounts to reuse your first-order and one-time discount codes. CustomerGenius finds shoppers who reuse a once-per-customer discount with a new email. You pick the discounts to watch. Each order that uses one is scored against past orders by email, phone, shipping address, billing address and name. Flagged orders can trigger an email alert, and you decide whether to hold them for review or have the app cancel and refund them. At install it scans your last 60 days of orders and changes nothing until you tell it to. Works with Recharge and ShipStation. CustomerGenius finds shoppers who reuse a once-per-customer discount with a new email. You pick the discounts to watch. Each order that uses one is scored against past orders by email, phone, shipping address, billing address and name. Flagged orders can trigger an email alert, and you decide whether to hold them for review or have the app cancel and refund them. At install it scans your last 60 days of orders and changes nothing until you tell it to. Works with Recharge and ShipStation. more Links one shopper to their other accounts by email, phone, address and name Hold flagged orders for review, or cancel and refund them automatically Get an email alert for every flagged order

5.0(Reviews)

No-code A/B Testing and Website Personalization CRO platform built for marketers CustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies CustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies more AI Conversion Optimization: Leverage Machine Learning to optimize conversions No code, A/B Testing, Split URL testing, Theme A/B testing, and A/B/N testing Easy to use No code visual editor to personalize product pages & landing pages Add new blocks like Video Reels, Recently Viewed items, and more via drag-n-drop SEO-friendly with fast performance and a flicker-free experience.

5.0(Reviews)

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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.