Explore a new way of engaging your customers with auctions and Make an Offer Auctions are a tried and true selling strategy to maximize the amount of revenue generated for a unique product. Auction Plus facilitates bidding, notifies your customers of their winnings and directs them to checkout- automatically. Schedule your auctions in advance to generate buzz for your products, engage with your customers and fuel word of mouth referrals. NEW Convert undecided shoppers into buyers with Make an Offer. Turn products into conversations with chat-like negotiation experiences Auctions are a tried and true selling strategy to maximize the amount of revenue generated for a unique product. Auction Plus facilitates bidding, notifies your customers of their winnings and directs them to checkout- automatically. Schedule your auctions in advance to generate buzz for your products, engage with your customers and fuel word of mouth referrals. NEW Convert undecided shoppers into buyers with Make an Offer. Turn products into conversations with chat-like negotiation experiences more Add auctions and Make an Offer to your store, no coding required Provide your customers with a hassle-free way to bid with auto-bidding Schedule your auctions to build anticipation for your products Automatically notify your customers of their winnings and send them to checkout North American-based live chat and email support
Custom rules Shopify Apps
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Merge or combine customer orders to cut shipping, and let customers edit address, items, or cancel. Order Merger combines two post-purchase tools in one app: automatic order merging that merges multiple orders from the same customer into a single shipment to cut shipping costs, and customer self-service order editing that lets shoppers fix their own orders post-checkout — you choose which edits are allowed and how long the window stays open. Reduce support tickets, recover post-purchase revenue, and ship the right order every time. Order Merger combines two post-purchase tools in one app: automatic order merging that merges multiple orders from the same customer into a single shipment to cut shipping costs, and customer self-service order editing that lets shoppers fix their own orders post-checkout — you choose which edits are allowed and how long the window stays open. Reduce support tickets, recover post-purchase revenue, and ship the right order every time. more Automatic merge - merge orders on autopilot based on your criteria Merge suggestions - identify same-destination orders ready to merge Customer self-editing - change address, items, quantities, or cancel Conditional editing rules with per-order window and action overrides Restrict edits by sales channel, location, order tags, or product tags
Sell on eBay marketplace, Sync Products, Orders and Inventory to/from eBay with 24/7 support Easily connect your eBay store with Shopify and manage everything from one place. This app lets you import eBay listings directly into Shopify, sync and import eBay orders, and map existing Shopify products with your current eBay items. It supports all eBay marketplaces, including eBay Motors, making it ideal for global sellers. Save time, reduce manual work, and keep your inventory and orders organized across both platforms. Easily connect your eBay store with Shopify and manage everything from one place. This app lets you import eBay listings directly into Shopify, sync and import eBay orders, and map existing Shopify products with your current eBay items. It supports all eBay marketplaces, including eBay Motors, making it ideal for global sellers. Save time, reduce manual work, and keep your inventory and orders organized across both platforms. more Listing items and Import eBay order from your eBay store Real time orders synchronization from eBay and manage orders easily. Map listing easily so that can easily import orders and customers data from ebay
Auto-attach warranties, insurance, fees & gifts to products at checkout. All plans. No code. Tweakday auto-attaches fees, warranties, insurance, and free gifts to specific products at checkout — based on rules you set. Sell a phone, a warranty attaches. Sell a fragile item, a handling fee adds. Per item, not per order. Quantity scales automatically. Multiple add-ons per product. Update bundle title and image at checkout. No widgets. No theme edits. No Shopify Plus needed. Free or paid add-ons. Auto-creates virtual products for insurance or warranties — no manual setup. Tweakday auto-attaches fees, warranties, insurance, and free gifts to specific products at checkout — based on rules you set. Sell a phone, a warranty attaches. Sell a fragile item, a handling fee adds. Per item, not per order. Quantity scales automatically. Multiple add-ons per product. Update bundle title and image at checkout. No widgets. No theme edits. No Shopify Plus needed. Free or paid add-ons. Auto-creates virtual products for insurance or warranties — no manual setup. more Auto-attach multiple fees, warranties & add-ons to specific products at checkout Quantity scales automatically — 1:1 by default or set your own ratio per add-on Auto-creates virtual warranty/insurance products — no manual setup needed Update parent title & image — looks like a bundle, fulfils separately No code, no theme edits, no Shopify Plus — works on all plans
Create and sort collections in various ways with advanced analytics Our app offers versatile collection management, allowing you to create and sort collections in various ways, including auto-updating them based on criteria such as "Back in Stock", "Best Selling for 90 days", and "New Arrival". You can also export products in a collection to CSV as well as duplicate or update existing automated collections. In addition, our analytics feature provides a direct look at which collections are performing the best for you. Our app offers versatile collection management, allowing you to create and sort collections in various ways, including auto-updating them based on criteria such as "Back in Stock", "Best Selling for 90 days", and "New Arrival". You can also export products in a collection to CSV as well as duplicate or update existing automated collections. In addition, our analytics feature provides a direct look at which collections are performing the best for you. more Create collections based on various criteria such as revenue, profit, metafields Duplicate collections and update rules for existing automated collections Make the most of your data when creating and sorting your collections Configure collection creation to run on-demand, daily, or at chosen frequency
Block PO Boxes in real time at checkout with 1-click setup. Add product and shipping exceptions. Stop restricted PO Box orders in real time at checkout, before they're placed. Set up basic protection in one click. Tailor rules by product or collection, with country and shipping exceptions so eligible PO Box orders can continue. Add parcel locker, postal code and custom keyword rules. Review address activity with analytics, product and region reports, and CSV export. For eligible stores, show custom notices on restricted shipping options. Stop restricted PO Box orders in real time at checkout, before they're placed. Set up basic protection in one click. Tailor rules by product or collection, with country and shipping exceptions so eligible PO Box orders can continue. Add parcel locker, postal code and custom keyword rules. Review address activity with analytics, product and region reports, and CSV export. For eligible stores, show custom notices on restricted shipping options. more Block restricted PO Box orders in real time at checkout. Set up in one click. Set PO Box rules by product or collection, with country and shipping exceptions. Analyze address activity by product and region. Export reports to CSV. Block parcel lockers and Australian LPOs; allow APO/FPO/DPO PO Boxes. Show custom notices on restricted shipping options for eligible stores.
Highly customizable sliding cart drawer with upsells, progress bar, unlockable free gifts and more. Unicart replaces your default cart page with a highly customizable sliding cart drawer. It offers upsells, cross sells, a dynamic sales progress bar, spend tiers to unlock free items, multi language support and more. Unicart can be completely customized to allow for all types of custom features and custom designs. It supports different design templates and you can schedule publish them anytime (Best for sales days). Unicart is developer friendly and can be customised to meet every requirement. Unicart replaces your default cart page with a highly customizable sliding cart drawer. It offers upsells, cross sells, a dynamic sales progress bar, spend tiers to unlock free items, multi language support and more. Unicart can be completely customized to allow for all types of custom features and custom designs. It supports different design templates and you can schedule publish them anytime (Best for sales days). Unicart is developer friendly and can be customised to meet every requirement. more Cross-sell and upsell by showcasing relevant products based on items in the cart Sales progress bar to motivate customers to spend more to unlock special rewards Allow customer's to unlock free items in their cart at specific spend tiers Access to completely customize the cart to your exact design and function needs Supports subscriptions, integrates with apps like PageFly, BOLD, Shogun and more
Boost AOV with a Customizable Slide Cart Drawer, Smart Cross-Sells, Targeted Upsells & Gamification Unicorn is a powerful slide cart drawer app designed to drive more revenue for your store. A suite of powerful upsell tools to optimise your store’s Order Value (AOV) and conversion rates. With built-in upsell, cross-sell, and reward features, Unicorn turns every cart drawer interaction into an opportunity to delight customers and drive more sales. Built by ecommerce founders for ecommerce founders. Unicorn is a powerful slide cart drawer app designed to drive more revenue for your store. A suite of powerful upsell tools to optimise your store’s Order Value (AOV) and conversion rates. With built-in upsell, cross-sell, and reward features, Unicorn turns every cart drawer interaction into an opportunity to delight customers and drive more sales. Built by ecommerce founders for ecommerce founders. more Boost AOV with Targeted Upsells, Cross-sells, Upgrade to Subscription and more Increase Conversion: BOGO, Free Gifts and Stackable Discounts + Countdown timers Gamify Shopping with Tiered Rewards and Fully Customizable Progress Bars Create your own Shipping Protection Upsell as tick box or in the checkout button Fully customize & perfectly match your brand with an aesthetic Slide Cart Drawer
Improve login conversions and create consented 360° user profiles with your branded Single-Sign-On. Unidy provides a white label identity and single-sign-on solution that integrates with all your digital solutions like shops, CMS, CRM, subscription tools, newsletter, etc. Easily convert your users with single-sign-on across all your services and make them mange all their data and consents from one central user account. Unidy provides a white label identity and single-sign-on solution that integrates with all your digital solutions like shops, CMS, CRM, subscription tools, newsletter, etc. Easily convert your users with single-sign-on across all your services and make them mange all their data and consents from one central user account. more Add any login method and customize login and signup flows. Integrate into any service and provide a unified login-, optin- and checkout-UX Synchronize user data and consents for 360° user profiles and access rights Offer paid or non-paid premium account subscriptions Get a branded user account with custom CI, data fields, user groups and setting
Create feeds for Meta, Google, TikTok, and Snapchat. Sync catalogs and track pixel events. Universal Product Feed helps merchants create hosted XML product feeds for Meta, Google, TikTok, and Snapchat. Choose all products, in-stock products, or selected collections, then customize variants, prices, images, GTINs, labels, and Google attributes. Connect Meta to create catalogs, sync product sets from collections, and use Meta Pixel with optional Conversions API event forwarding. Sync frequency depends on the selected plan. Universal Product Feed helps merchants create hosted XML product feeds for Meta, Google, TikTok, and Snapchat. Choose all products, in-stock products, or selected collections, then customize variants, prices, images, GTINs, labels, and Google attributes. Connect Meta to create catalogs, sync product sets from collections, and use Meta Pixel with optional Conversions API event forwarding. Sync frequency depends on the selected plan. more Create hosted XML feeds for Meta, Google, TikTok, and Snapchat Connect Meta to create and sync product catalogs Track storefront events with Meta Pixel and Conversions API Include in-stock, selected, or excluded collections in feeds Customize variants, prices, images, labels, GTINs, and Google attributes
CSV bulk fulfill + upload tracking numbers + auto PayPal Tracking Sync. All in one workflow. Bulk fulfill hundreds of orders from a single CSV or XLS. Fulfill by order number, order name, or variant SKU, upload tracking numbers, and apply any custom carrier tracking URL. Preview every change before it runs, so you catch errors before orders ship. Large uploads run as background jobs — close the tab and keep working. PayPal Tracking Sync runs automatically, auto-pushing shipped orders to PayPal to reduce holds and disputes. CSV fulfillment and PayPal sync in one workflow. Bulk fulfill hundreds of orders from a single CSV or XLS. Fulfill by order number, order name, or variant SKU, upload tracking numbers, and apply any custom carrier tracking URL. Preview every change before it runs, so you catch errors before orders ship. Large uploads run as background jobs — close the tab and keep working. PayPal Tracking Sync runs automatically, auto-pushing shipped orders to PayPal to reduce holds and disputes. CSV fulfillment and PayPal sync in one workflow. more Bulk fulfill orders from CSV, XLS — by order number, order name, or variant SKU. Upload tracking numbers in bulk and apply custom tracking URLs for any carrier. PayPal Tracking Sync runs automatically — reduces PayPal holds and disputes. Preview every change before it runs — catch errors before orders ship. Auto-fulfill from email, SFTP, or FTP — large uploads run as background jobs.
Set up a tax addon, dynamic surcharges, and a product surcharge. Easily add processing fees today. Our surcharge app helps you apply conditional fees, late fees, and automatic fees. Quickly add surcharge rules for a small order fee or one time fee. Manage checkout addons, dynamic addons, and free addons to collect an additional charge. Configure a payment surcharge, shipping surcharges, or a bottle deposit. Easily handle an order surcharge, rush fees, deposit fees, service fees, and checkout fees. Bill a membership fee, order & product fees, or a checkout surcharge. Our surcharge app helps you apply conditional fees, late fees, and automatic fees. Quickly add surcharge rules for a small order fee or one time fee. Manage checkout addons, dynamic addons, and free addons to collect an additional charge. Configure a payment surcharge, shipping surcharges, or a bottle deposit. Easily handle an order surcharge, rush fees, deposit fees, service fees, and checkout fees. Bill a membership fee, order & product fees, or a checkout surcharge. more Product fee, extra fee or cart fee — add price addons per item Credit card surcharge, payment method fee, cod fee or tariff surcharge Processing fee, handling fee and additional fees with deposits and fees Set a fee rule: advanced fees and checkout fee for any order Sync orders and fees directly to products or variants with fees payment
Get your products in front of shoppers - without the errors, disapprovals, or guesswork. Getting your products to show up across Google, Facebook, Instagram, TikTok and Pinterest sounds simple, until you hit missing attributes, disapproved items, and red Merchant Center dashboard. Most feed apps just export your Shopify data as-is. UpFeed was built by online advertising experts to go further: every required field is mapped correctly, optional fields are included to maximize visibility, and your feed stays updated multiple times a day, so you're never running stale product data. Getting your products to show up across Google, Facebook, Instagram, TikTok and Pinterest sounds simple, until you hit missing attributes, disapproved items, and red Merchant Center dashboard. Most feed apps just export your Shopify data as-is. UpFeed was built by online advertising experts to go further: every required field is mapped correctly, optional fields are included to maximize visibility, and your feed stays updated multiple times a day, so you're never running stale product data. more Built by ad experts. Optimized for performance, not just compliance. Feed health monitoring, spot and fix issues before Google does. For free listings an paid ads. One setup covers every campaign type. Install, generate, and you're live in minutes. No coding required. AI-powered category mapping and Agentic Commerce ready.
Automatically price your customers' multiple uploaded files, images with various conditions. Meet the most advanced file upload app. Replace separate product options and order status apps with our all-in-one print on demand solution. Create targeted fields with strict file and dimension rules to prevent incorrect submissions (e.g DPI check). Calculate pricing dynamically based on file sizes(width, height, PDF page count) or custom forms. Manage production directly in the app. Create custom order statuses, send automated emails, and bulk download renamed files to stay organized. Meet the most advanced file upload app. Replace separate product options and order status apps with our all-in-one print on demand solution. Create targeted fields with strict file and dimension rules to prevent incorrect submissions (e.g DPI check). Calculate pricing dynamically based on file sizes(width, height, PDF page count) or custom forms. Manage production directly in the app. Create custom order statuses, send automated emails, and bulk download renamed files to stay organized. more Create upload fields with strict rules for file types, dimension (e.g DPI Check) Charge dynamic fees based on file sizes(e.g height) or custom form selections Automate file renaming and bulk downloads via built-in File Manager Track production with custom order statuses and auto email alerts (Shopify Flow) Charge dynamically based on inch square dimensions or PDF page counts etc.
Allow file uploads with orders and enable customers to edit images and create personalized products. Upload-Lift allows customers to upload files / images / photos on Product, Contact, Cart and Order Status pages. It's easy to set up and does not require any theme modifications. You can configure the allowed file types, and the app includes an image editor to let customers crop images in your desired format. Let customers upload photo upload on any page on your store. Upload-Lift allows customers to upload files / images / photos on Product, Contact, Cart and Order Status pages. It's easy to set up and does not require any theme modifications. You can configure the allowed file types, and the app includes an image editor to let customers crop images in your desired format. Let customers upload photo upload on any page on your store. more Fast upload of any file type up to 5GB in size. Image editor that allows cropping with predefined ratios and crop shapes. Preview of the uploaded image on the upload field and cart page. File Validations. Configure min/max file size and image dimensions. File conversion of advanced file formats e.g (PDF/Ai) into images.
Allow your customers to upload files from any source easily. Empower your customers to confidently upload any file or image to your store. Our feature seamlessly integrates with local files, Facebook, Instagram, Twitter, and other platforms. Plus, it comes with a built-in image editor, additional pricing options, conditional logic, and more. Our app is compatible with the homepage, collection pages, and buy button. It seamlessly integrates with your theme and requires no code insertion, making it easy to set up. Empower your customers to confidently upload any file or image to your store. Our feature seamlessly integrates with local files, Facebook, Instagram, Twitter, and other platforms. Plus, it comes with a built-in image editor, additional pricing options, conditional logic, and more. Our app is compatible with the homepage, collection pages, and buy button. It seamlessly integrates with your theme and requires no code insertion, making it easy to set up. more Supported upload from your local files, social media, drive, and many more Upload anywhere from collection, homepage, product and support buy button Built in image editor, Conditional logic, Additional pricing and many more Synchronize and back up your data using google drive Multiple file upload on the same time, unlimited upload field, up to 5 GB files
Boost Sales by Showcasing ‘Frequently Bought Together’ & 'Related Products' in a Stunning Layout. Enhance your product pages with beautifully designed related product displays using our app. Choose from 5 stunning layouts to showcase 'Frequently Bought Together' or similar items, encouraging upsells and increasing average order value. Easy to set up and fully customizable, this app helps you create a seamless shopping experience that engages customers and boosts conversions—all without touching a single line of code. Enhance your product pages with beautifully designed related product displays using our app. Choose from 5 stunning layouts to showcase 'Frequently Bought Together' or similar items, encouraging upsells and increasing average order value. Easy to set up and fully customizable, this app helps you create a seamless shopping experience that engages customers and boosts conversions—all without touching a single line of code. more 3D style Carousel, Full-width Slider, Flex-border Slider Split view Slider, Thumbnail View Slider Please check demo for more details.
Cross Sell, Upsell & Frequently Bought Together Bundles to Boost AOV Grow AOV with Frequently Bought Together bundles and related product recommendations that shoppers actually want to add to their cart. Show product recommendations and cart upsells at the right moment, then continue cross-sell and upsell offers through checkout and post-purchase. Add related products across 8 strategic locations, including product pages, cart, checkout, order status, thank-you, and post-purchase pages — all with one-click add-to-cart and no coding required. Grow AOV with Frequently Bought Together bundles and related product recommendations that shoppers actually want to add to their cart. Show product recommendations and cart upsells at the right moment, then continue cross-sell and upsell offers through checkout and post-purchase. Add related products across 8 strategic locations, including product pages, cart, checkout, order status, thank-you, and post-purchase pages — all with one-click add-to-cart and no coding required. more Product Recommendation – Promote bestsellers, product bundles, & upsell add-ons. Cart Upsell – Trigger last-minute Shopify upsell offers in the Mini-Cart. Post-Purchase Page – Show one-click upsell and cross sell deals after checkout. Checkout Page – Boost AOV with high-value Shopify upsell offers before payment. Frequently Bought Together – Show bundle-style product pairings on product page.
Increase your revenue with upsell and cross sell pop ups tuned with funnels Mobile-friendly, a responsive pop-up layout that looks good on mobile devices. Automatically proposes goods based on sales history. Customizing colors, fonts, elements shapes. All changes can be stored as templates for use in the future. Mobile-friendly, a responsive pop-up layout that looks good on mobile devices. Automatically proposes goods based on sales history. Customizing colors, fonts, elements shapes. All changes can be stored as templates for use in the future. more Easily customize your pop up - change colors, background, and more Sell more with funnels using either autopilot or manual modes Increase your AOV with upsell and cross sell offers
Smart Flow: post-purchase upsells, one-click setup, templates, analytics, bundles set up in minutes! Integrated seamless post-purchase upsells. Smart Flow offers easy setup, custom designs, premade templates, one-click upsells, and detailed analytics. Enhance your strategy with A/B testing, personalized offers, and thank you page deals. Great for Shopify users wanting to maximize sales, reduce cart abandonment, improve customer satisfaction, drive repeat purchases, track performance, optimize campaigns, and enhance the overall shopping experience effortlessly. Smart Flow helps you succeed. Integrated seamless post-purchase upsells. Smart Flow offers easy setup, custom designs, premade templates, one-click upsells, and detailed analytics. Enhance your strategy with A/B testing, personalized offers, and thank you page deals. Great for Shopify users wanting to maximize sales, reduce cart abandonment, improve customer satisfaction, drive repeat purchases, track performance, optimize campaigns, and enhance the overall shopping experience effortlessly. Smart Flow helps you succeed. more Design custom upsells w/ drag & drop builder & ready-to-use responsive templates Target offers using product data, customer info & purchase data for max impact Add timers, quantity limits & variant pickers to create urgency & flexibility Track performance w/ detailed analytics on conversions & revenue per funnel Customize shipping rates & display rules to match your exact business needs
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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.