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Custom rules Shopify Apps

Discover the best Custom rules apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.

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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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Let customers build their own bundles on a single page. Boost AOV. Sync with inventory. Build a Box BYOB - Build Your Own Bundles: Boost AOV with our bundle builder! Set up custom bundles for customers to mix and match on a standalone page. You can customize the style options in the theme editor with NO coding needed. BYOB is optimized to boost your Conversion Rate. Not a bespoke design tool, just fast, easy, effective bundling. Try the sample bundles on our demo store! Contact us for a free chat. Create Christmas gift bundles & holiday mix-and-match sets. Boost AOV fast! BYOB - Build Your Own Bundles: Boost AOV with our bundle builder! Set up custom bundles for customers to mix and match on a standalone page. You can customize the style options in the theme editor with NO coding needed. BYOB is optimized to boost your Conversion Rate. Not a bespoke design tool, just fast, easy, effective bundling. Try the sample bundles on our demo store! Contact us for a free chat. Create Christmas gift bundles & holiday mix-and-match sets. Boost AOV fast! more Boost AOV with fixed price discounts, tiered discounts, BXGY, multi-conditions Bundle exists as a product. Assign it to collections, top menu, or the home page Support the latest cart transformation to sync with your inventory Easily customize style in the theme editor with no coding required Working for clients? Add custom CSS & js callback on your own

4.7(Reviews)

One-Stop Bundles – Build a Box, Build Your Own Box, BYOB, Gift Box Builder, Easy Bundle & much more Qe BYOB is a flexible Bundle and Gift Box Builder that lets your customers Build Your Own Box (BYOB) with ease. Offer Fixed Price, Mix-and-Match, and Discounted bundles with no coding. The app fits easily into your store’s design and supports auto/manual inventory management. Use real-time analytics to track conversions and bundle performance. Perfect for gifting, apparel, food, skincare, and more. Don’t miss out; launch your first bundle today. Qe BYOB is a flexible Bundle and Gift Box Builder that lets your customers Build Your Own Box (BYOB) with ease. Offer Fixed Price, Mix-and-Match, and Discounted bundles with no coding. The app fits easily into your store’s design and supports auto/manual inventory management. Use real-time analytics to track conversions and bundle performance. Perfect for gifting, apparel, food, skincare, and more. Don’t miss out; launch your first bundle today. more Build Your Own Box with Personalized gifts, custom text, images, or file uploads Let users record & send audio or video gift messages Supports multi-language and multi-currency for global e-commerce stores Build a Box with tiered discount support for higher-value purchase Users can create multiple boxes in one single session

4.9(Reviews)

Engage Customers with Product Recommendations Quiz. AI, Drag & Drop, import/export for conversions. Create personalized product recommender quizzes and post-purchase surveys to tailor your customers' experience. With our easy-to-use no-code quiz builder, increase conversions and reduce returns! Customize pages easily with text, image, date and collect emails to ensure a unique brand experience that resonates. Create conditional jump logic rules & outcomes to upsell and recommend products. Gift finder & other templates with analytics help collect lead data for targeted recommendations! Create personalized product recommender quizzes and post-purchase surveys to tailor your customers' experience. With our easy-to-use no-code quiz builder, increase conversions and reduce returns! Customize pages easily with text, image, date and collect emails to ensure a unique brand experience that resonates. Create conditional jump logic rules & outcomes to upsell and recommend products. Gift finder & other templates with analytics help collect lead data for targeted recommendations! more Product Recommender Quizzes & Surveys: Import/export, QnA, text, image & email! Edit recommender quizzes: add layout design, templates, drag & drop, custom CSS Add conditional and jump logic to direct users to desired quiz or survey pages Add products/collections to Product Recommender pages with a Slot wise division! Klaviyo integration, Email & Text, Export Analytics to collect data & retarget.

4.3(Reviews)

Access control for the Online Store channel. Lock any content products, collections, pages, or URLs. This flexible app restricts access to your store's content, hiding products, collections, pages, blogs, and URLs based on customer types such as logged-in customers, selected customers, or those with specific customer tags. If a user tries to access restricted content, they will be redirected to the login page, a specific page, or a designated URL. You can hide any website elements by adding selectors, providing you with complete control over who can view and interact with your store's content. This flexible app restricts access to your store's content, hiding products, collections, pages, blogs, and URLs based on customer types such as logged-in customers, selected customers, or those with specific customer tags. If a user tries to access restricted content, they will be redirected to the login page, a specific page, or a designated URL. You can hide any website elements by adding selectors, providing you with complete control over who can view and interact with your store's content. more Choose which products, collections, or CMS pages should be locked. You can lock whole website and selected content. You can set a password-based lock to restrict access to page content. Lock content based on customer wise. Block unknown visitors from viewing protected content.

0.0(Reviews)

Get the power of Amazon-like distributed order fulfillment, choose to fully outsource or participate A fulfillment software & solution that opens new growth opportunities in addition to meeting your standard requirements, enabling you to spend your time on growth, not on dealing with fulfillment issues. Our powerful software automates most functions giving you complete visibility over your inventory, orders & shipments at a glance. Need fulfillment services for slower-moving SKUs? Launching a B2B order portal? Looking to amplify growth with a 1-day or 2-day delivery promise? We support it all! A fulfillment software & solution that opens new growth opportunities in addition to meeting your standard requirements, enabling you to spend your time on growth, not on dealing with fulfillment issues. Our powerful software automates most functions giving you complete visibility over your inventory, orders & shipments at a glance. Need fulfillment services for slower-moving SKUs? Launching a B2B order portal? Looking to amplify growth with a 1-day or 2-day delivery promise? We support it all! more Delight your customers and boost your revenue by offering 1- and 2-day shipping Superior network keeps costs low while providing the highest quality service Reliable fulfillment with exceptional accuracy and on-time shipping Have complete visibility over your inventory, orders, and shipments at a glance Only US-based customer support reps to talk to when needed

4.4(Reviews)

Create and add custom interactive calculators to your website and give instant answers to customers Calconic - Calculator Builder provides a simple yet powerful tool to create an interactive calculator for site visitors. Using Calculator Builder, you can provide site visitors with a personalized user experience helping them calculate and get instant answers to their pain point questions! Interactive calculators are easy to create without any code and a great way to engage and convert site visitors who constantly ask questions like how much, how many, what the ROI is, and many more. Calconic - Calculator Builder provides a simple yet powerful tool to create an interactive calculator for site visitors. Using Calculator Builder, you can provide site visitors with a personalized user experience helping them calculate and get instant answers to their pain point questions! Interactive calculators are easy to create without any code and a great way to engage and convert site visitors who constantly ask questions like how much, how many, what the ROI is, and many more. more Create custom calculators from scratch using a drag-and-drop editor Choose from a variety of calculator templates Easily embed a calculator to any page on your website in seconds Codeless calculator style customization Allow adding your products to the cart with a calculated custom price

4.0(Reviews)

Cálculo de frete para os Correios, Loggi, Intelipost, Melhor Envio, faixas de CEP e planilhas Compatível com os plano Plus, Advanced ou Shopify no pagamento anual. Com o Cálculo de Frete da FullComm, sua loja não para de vender quando seu gateway de frete fica fora do ar. Adicione cálculo de frete na página de produto e no carrinho. Com regras como frete por faixa de cep e frete exceção, sua loja sempre terá um frete disponível. Integração com: Correios, Loggi, Intelipost, Melhor Envio, faixas de CEP e importação de planilhas. Compatível com os plano Plus, Advanced ou Shopify no pagamento anual. Com o Cálculo de Frete da FullComm, sua loja não para de vender quando seu gateway de frete fica fora do ar. Adicione cálculo de frete na página de produto e no carrinho. Com regras como frete por faixa de cep e frete exceção, sua loja sempre terá um frete disponível. Integração com: Correios, Loggi, Intelipost, Melhor Envio, faixas de CEP e importação de planilhas. more Emita etiquetas dos Correios diretamente do admin, individualmente ou por lote Preço de exceção para todos os cálculos de frete em CEPs não contemplados Contingência em caso de instabilidades e painel com Frete Pago vs Frete Cobrado Regras por produto, coleção, metacampos, valor de compra, destino e muito mais

4.0(Reviews)

Get a powerful shipping rates calculator, manage shipping rules and set estimated delivery dates. Turn on cost-effective and sales-stimulating shipping by eliminating the gap between calculated shipping charges displayed at checkout and real shipping costs you bear. Show carrier real-time rates — UPS, USPS, DHL, FedEx, Australia Post, etc. Build own postcode, dimensions and weight-based shipping price calculator with Table Rates. Restrict shipping, apply advanced shipping rules. Add delivery dates, international duty and tax (landed cost). The app requires carrier-calculated shipping (CCS). Turn on cost-effective and sales-stimulating shipping by eliminating the gap between calculated shipping charges displayed at checkout and real shipping costs you bear. Show carrier real-time rates — UPS, USPS, DHL, FedEx, Australia Post, etc. Build own postcode, dimensions and weight-based shipping price calculator with Table Rates. Restrict shipping, apply advanced shipping rules. Add delivery dates, international duty and tax (landed cost). The app requires carrier-calculated shipping (CCS). more Shipping live rates from 10+ major carriers. Connect own carrier accounts. Advanced shipping calculator: Table Shipping Rates, Pallet Rates, Rate Shopping Shipping rules and restrictions. By postcodes, tags, metafields, distance Dimensional shipping rates and packaging rules, volumetric weight calculations Estimated delivery dates, duties & taxes, multi-origin shipping, rates by vendor

4.9(Reviews)

Increase your sales with upsells and cross-sells on product pages, cart, and checkout. Candy Rack displays upsell and cross-sell offers at every stage of the shopping journey – from the product page and cart drawer to checkout (pre-purchase) and thank-you page (post-purchase). Each offer is designed to blend seamlessly with your storefront for a smooth customer experience. Candy Rack displays upsell and cross-sell offers at every stage of the shopping journey – from the product page and cart drawer to checkout (pre-purchase) and thank-you page (post-purchase). Each offer is designed to blend seamlessly with your storefront for a smooth customer experience. more Offers in multiple placements: Product pages, cart, checkout, and post-purchase. AI mode: The AI algorithm automatically selects the most relevant products. [NEW] Slide cart: Fast slide-out cart with built-in upsell offers. A/B testing: Test and optimize your offers to perfection (via Intelligems). Bespoke design: Offers look like a native part of your store—on any device.

4.8(Reviews)

Effortlessly display targeted and smart checkout upsells and cross-sells, all while saving time. Unlock new revenue potential with tailored checkout upsells and cross-sells that seamlessly integrate into your store's checkout process. This app is designed to enhance the shopping experience by recommending relevant products, encouraging customers to add more to their cart. With an intuitive setup, it saves time by automating offer management, making it easy to adjust and personalize based on customer behavior. Ideal for merchants focused on growth. Use Smart product recommendation (AI). Unlock new revenue potential with tailored checkout upsells and cross-sells that seamlessly integrate into your store's checkout process. This app is designed to enhance the shopping experience by recommending relevant products, encouraging customers to add more to their cart. With an intuitive setup, it saves time by automating offer management, making it easy to adjust and personalize based on customer behavior. Ideal for merchants focused on growth. Use Smart product recommendation (AI). more Drive more sales with tailored product suggestions at checkout. Use smart upsells (AI) to show your customer's product recommendation. Easily integrate with your store’s checkout process without complex setup. Personalize suggestions to match customer preferences.

5.0(Reviews)

Cart Upsell—Slide Cart Drawer let you uplift revenue with unlock offers cart upsell & cross sell Uplift sales with Cart Upsell—Slide Cart Drawer to boost sales & aov with cart upsell solution for your store's cart mini cart and cart page. Improve customers' experience by letting them add note, apply discount codes, estimate shipping rates without going to the cart sidebar and cart slidebar to buy more and reduce abandoned cart with free shipping progressive bar, countdown timer, product upsell. Use sale max to increase your average order value with our upselling and cross-selling module. Uplift sales with Cart Upsell—Slide Cart Drawer to boost sales & aov with cart upsell solution for your store's cart mini cart and cart page. Improve customers' experience by letting them add note, apply discount codes, estimate shipping rates without going to the cart sidebar and cart slidebar to buy more and reduce abandoned cart with free shipping progressive bar, countdown timer, product upsell. Use sale max to increase your average order value with our upselling and cross-selling module. more Drag and drop customizable slide cart and cart page builder that fit your theme Slide cart upsell in sale max instead of showing annoying cart popup Create free shipping progressive bar, cart countdown timer Show relevant product recommendations in cart drawer based on the customers cart Product bundle discounts in side cart and double your profit margin

4.9(Reviews)

Easily create irresistible pop-ups and post purchase upsells in order to increase your revenue Cart X is a one click upsell app that allows you to add & manage upsell & cross-sell funnels to reconvert customers. We offer one click upsells (OCU), Pop-up and thank you page in-cart offers. We will help you to Boost your Revenue, Conversion Rate & Average Order Value (AOV). Get your customers rebuy and resell your products easily. Add upsell recommendations, downsells, recharge cross sell, order bump, post checkout upsell, Checkout X upsell, reorder upsells or Free gift with any purchase. Cart X is a one click upsell app that allows you to add & manage upsell & cross-sell funnels to reconvert customers. We offer one click upsells (OCU), Pop-up and thank you page in-cart offers. We will help you to Boost your Revenue, Conversion Rate & Average Order Value (AOV). Get your customers rebuy and resell your products easily. Add upsell recommendations, downsells, recharge cross sell, order bump, post checkout upsell, Checkout X upsell, reorder upsells or Free gift with any purchase. more Add cart pop-up aftersell and Post purchase vitals offers with countdown Easy drag & drop thank you page builder with cross-sell, coupon & discount Reconverting One Click Upsell (OCU), Thank You Page, Checkout Upsell & popup Our analytics allows you to track the best performing funnels & products Sell complementary products, warranties, BOGO, Bundles, Crosells, Upsells & more

4.9(Reviews)

Auto add FREE product or gift with purchase to customers' cart based on your conditions (BOGO, etc.) CartBot app allows you to automatically add specific products or gifts to the customers' cart when they buy other specific products. The cart bots can be easily configured, edited and removed (if needed). Example: Whenever a customer buys regular coffee grounds, you want to also add a FREE sample of new coffee ground blend to their cart, as a free gift with purchase. You can configure the app to add this new coffee ground blend to their cart and remove it whenever they remove the main product. CartBot app allows you to automatically add specific products or gifts to the customers' cart when they buy other specific products. The cart bots can be easily configured, edited and removed (if needed). Example: Whenever a customer buys regular coffee grounds, you want to also add a FREE sample of new coffee ground blend to their cart, as a free gift with purchase. You can configure the app to add this new coffee ground blend to their cart and remove it whenever they remove the main product. more Automatically add FREE products and gifts to the cart Create bots based on products and add gift with purchase Create bots to add gifts based on cart value Advanced minimum & maximum quantity conditions Innovative "reverse" bot setup to remove gifts when conditions aren't fulfilled

4.9(Reviews)

1-click AI upsell and cross sell recommendations to maximize your sales and AOV You can enhance your store sales with upsell and cross sell addons placed directly on product or cart pages. Choose between AI powered recommendations or manually selected products to lift your AOVw with strategic add to cart offers at the most impactful moments. You can enhance your store sales with upsell and cross sell addons placed directly on product or cart pages. Choose between AI powered recommendations or manually selected products to lift your AOVw with strategic add to cart offers at the most impactful moments. more Display offers on product and cart page Show AI or manually selected products Track upsell performance and AOV Fully tailor your design Fast and reliable US support

5.0(Reviews)

Boost conversion rate with Cart Upsell Drawer made by Conversion Rate Optimization experts Shipping cart slider with cart progress bar. Set add to cart upsell to offer cart free shipping. Slide cart upsell with cart recommendations. Cart page upsell with cart reserve. Offer one page checkout with skip to checkout, pay now, quick buy within sticky checkout or sticky atc. Add monster cart add on, add fees with instant checkout. Show I agree to terms in slidecart. Add notes with order notes on slider cart customizer. Show trust badges and icons Afterpay, feature icons in cart slide. Shipping cart slider with cart progress bar. Set add to cart upsell to offer cart free shipping. Slide cart upsell with cart recommendations. Cart page upsell with cart reserve. Offer one page checkout with skip to checkout, pay now, quick buy within sticky checkout or sticky atc. Add monster cart add on, add fees with instant checkout. Show I agree to terms in slidecart. Add notes with order notes on slider cart customizer. Show trust badges and icons Afterpay, feature icons in cart slide. more Cart customization app with free shipping upsell cart goal & discount in cart Build trust with ATC payment icons, trust icons, terms and conditions checkbox Add fast checkout & express checkout button, buy now button one-click checkout Ajax cart drawer upsell app with side cart, up cart timer & product addons Upcart with sticky add to cart button, add to cart bar, add to cart sticky bar

4.9(Reviews)

Boost AOV with CartyLabs: In-Cart Upsell, Free Gifts, Rewards & Shipping Bar, Countdown & More Cartylabs Upsell In-Cart supercharges store sales and engagement!. Turn every add-to-cart into revenue with AI-powered Upsell Recommendations, Subscribe & Save, Rewards & Shipping Bars, and Countdown deal. Entice shoppers with Gift Offers, Promo codes, Auto discounts, and more. Build trust with Shipping Estimates and and Ship Protection. Skyrocket Sales with Sticky Add-to-Cart & Quick Buy Now. Enjoy seamless third-party app and theme integrations, real-time analytics, and exceptional support! Cartylabs Upsell In-Cart supercharges store sales and engagement!. Turn every add-to-cart into revenue with AI-powered Upsell Recommendations, Subscribe & Save, Rewards & Shipping Bars, and Countdown deal. Entice shoppers with Gift Offers, Promo codes, Auto discounts, and more. Build trust with Shipping Estimates and and Ship Protection. Skyrocket Sales with Sticky Add-to-Cart & Quick Buy Now. Enjoy seamless third-party app and theme integrations, real-time analytics, and exceptional support! more AI-Upsell Cart: Recommendations Upsells, Rewards, Countdown Deals, Free Gift. Skyrocket Sales with Subscription, Promo, Gift Wrap, Shipping Protection & More Reduce Abandonment with Upsell Offers, Sticky Cart & Cart Reminder Tab Features Boost Sales & Conversions with Quick Buy Now and Sticky Add to Cart Bar Customizable & Personalized Shopping with Real-Time Analytics Behavior& Tracking

5.0(Reviews)

Send your customers directly to checkout with customized add to cart links preloaded with products. Create customized add to cart links & share them with your customers to lead them straight to checkout filled with products in one click. Simplify the shopping experience and increase your conversion rate. Boost your sales and place the direct checkout and preloaded cart links wherever you need — in your email campaigns, newsletters, ads, social media, blog posts, etc. Decide what should happen once the link is clicked, incl. adding products, applying discounts, GA UTM tracking or redirections. Create customized add to cart links & share them with your customers to lead them straight to checkout filled with products in one click. Simplify the shopping experience and increase your conversion rate. Boost your sales and place the direct checkout and preloaded cart links wherever you need — in your email campaigns, newsletters, ads, social media, blog posts, etc. Decide what should happen once the link is clicked, incl. adding products, applying discounts, GA UTM tracking or redirections. more Create user-friendly & easy to share add-to-cart links for marketing campaigns Generate direct checkout links preloaded with specific products, apply discounts Use the links to increase sales from newsletters, ads, social media, blog posts Add UTM parameters to your links for further analytics and performance tracking Speed up & simplify the shopping process with one-click preloaded checkout links

5.0(Reviews)

Sort, reorder, rename, hide payment methods at the checkout with flexible rules & various conditions Fully customize the payments in your store. Effortlessly hide, sort, reorder and rename all the payment methods based on various conditions. Set the payment rules & freely combine multiple conditions with actions to be triggered once they are met. Hide specific payment methods, conditionally show selected payments, rename them or sort the payment options by name. Streamline your checkout process, boost customer satisfaction, increase conversions & safeguard your business from unnecessary costs. Fully customize the payments in your store. Effortlessly hide, sort, reorder and rename all the payment methods based on various conditions. Set the payment rules & freely combine multiple conditions with actions to be triggered once they are met. Hide specific payment methods, conditionally show selected payments, rename them or sort the payment options by name. Streamline your checkout process, boost customer satisfaction, increase conversions & safeguard your business from unnecessary costs. more Sort, reorder, rename, hide payments at the checkout with Condition-Action rules Hide payment method based on cart total amount, order weight, quantity, postcode Hide payment options for specific shipping method, collection, SKU or country Sort payment methods by name at the checkout and simplify the payment choice Combine multiple conditions and actions into payment rules to customize payments

5.0(Reviews)

Unlock the full potential of Facebook and Instagram with our all-in-one toolkit. Connect your Shopify store with Facebook and Instagram to grow visibility and reach customers where they spend time. Your catalog stays accurate with near real-time updates, helping shoppers see the right products. Built-in Pixel and Conversion API ensure reliable tracking, stronger attribution, and smarter ad spend. Orders from Facebook and Instagram flow back into Shopify for simple fulfillment, giving you one place to manage ads, sales, and operations. Connect your Shopify store with Facebook and Instagram to grow visibility and reach customers where they spend time. Your catalog stays accurate with near real-time updates, helping shoppers see the right products. Built-in Pixel and Conversion API ensure reliable tracking, stronger attribution, and smarter ad spend. Orders from Facebook and Instagram flow back into Shopify for simple fulfillment, giving you one place to manage ads, sales, and operations. more Sync Shopify products to Facebook and Instagram Shops One-click setup for Facebook Pixel & Conversion API for reliable ad performance Keep product catalogs updated in real time automatically Run and monitor ad campaigns from your Shopify admin Build with Trust: Rely on our official solution backed by 15+ years of expertise

4.8(Reviews)

Manage Amazon Product Listings, Sync Inventory, Price & Fulfil Orders from your Store The CedCommerce Amazon Channel App seamlessly connects your Shopify store with Amazon, making it easy to manage both platforms. The app automatically syncs your inventory, order & shipment saving you time and effort. You can set up rules to automate tasks like order syncing, so they run in the background without manual intervention. Streamline your eCommerce operations and keep everything in sync with ease. Watch out for upcoming features like AI Smart Lister & Amazon Multi-Location Inventory. The CedCommerce Amazon Channel App seamlessly connects your Shopify store with Amazon, making it easy to manage both platforms. The app automatically syncs your inventory, order & shipment saving you time and effort. You can set up rules to automate tasks like order syncing, so they run in the background without manual intervention. Streamline your eCommerce operations and keep everything in sync with ease. Watch out for upcoming features like AI Smart Lister & Amazon Multi-Location Inventory. more Manage Shopify listings, orders & inventory with real-time marketplace sync Access an easy-to-use interface to bulk import, edit, and create listings Metafield Support to enhance product visibility Avail Managed Services such as Listing Optimization and Amazon Advertising Sell in 22+ Amazon-covered countries with Multi-Account & Multi-Currency Support

4.6(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.