Your inventory + VDB virtual inventory means customers can build rings and order them from you. Create an engaging online experience by making it easy for your visitors to mix and match gemstones and mountings to create custom rings. Combine your own inventory with virtual inventory to dramatically expand your inventory offering. All within an extension customized to match your website theme and localized for language and currency. Put your customers in control of their ring creation experience! Let them match, compare and build the ring of their dreams. Create an engaging online experience by making it easy for your visitors to mix and match gemstones and mountings to create custom rings. Combine your own inventory with virtual inventory to dramatically expand your inventory offering. All within an extension customized to match your website theme and localized for language and currency. Put your customers in control of their ring creation experience! Let them match, compare and build the ring of their dreams. more Combine owned and virtual inventory for maximum ring-building potential Customize filters, pricing, display, language & currency Select your suppliers and product selection to fit your merchandising strategy. Interactive 3D ring previews to boost customer's confidence and conversions. Control diamond certificate number visibility
Custom CSS Shopify Apps
Discover the best Custom CSS apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.
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Product recommendation quiz builder for higher conversions, more leads, and faster email list growth When shoppers can't find the right product, they leave. Veeform helps you create high-converting product recommendation quizzes that guide shoppers to their perfect match. Build quizzes in a snap with our AI-powered quiz builder - no code needed. Run skincare, hair, gift, pet, vitamin, style, or personality quiz funnels with smart logic jumps and scored flows. Deploy popup quizzes, collect emails and valuable customer data, then sync with Shopify and your CRM to run high-ROI marketing campaigns. When shoppers can't find the right product, they leave. Veeform helps you create high-converting product recommendation quizzes that guide shoppers to their perfect match. Build quizzes in a snap with our AI-powered quiz builder - no code needed. Run skincare, hair, gift, pet, vitamin, style, or personality quiz funnels with smart logic jumps and scored flows. Deploy popup quizzes, collect emails and valuable customer data, then sync with Shopify and your CRM to run high-ROI marketing campaigns. more Create a product quiz, quiz funnel, popup quiz & questionnaire in minutes Customize quiz design with 50+ templates: colors, fonts & full branding options Use AI-powered quiz builder, logical jumps & scoring for dynamic quiz flows Recommend products with personalized quizzes, scored quizzes & tests Embed quizzes inline, as popups, buttons, teasers or shareable links anywhere
Easily Hide Sold Variants for a Cleaner Shop! Unveiling Success with Veil. Say goodbye to confusing customers with sold-out products! ✨ Unveiling only available options, Veil keeps your store looking sleek & tempting. Hide sold-out variants in a click, boosting sales & customer satisfaction. Easy to use, it lets you focus on what you love – running your business! Ready to unveil a better shopping experience? Get Veil today! Say goodbye to confusing customers with sold-out products! ✨ Unveiling only available options, Veil keeps your store looking sleek & tempting. Hide sold-out variants in a click, boosting sales & customer satisfaction. Easy to use, it lets you focus on what you love – running your business! Ready to unveil a better shopping experience? Get Veil today! more Hide sold-out, unavailable or any custom variant Hide any specific variants regardless of inventory level. No need to delete it. Hide variants based on custom rules such as inventory or tags Hide variants when inventory qty is less than x or any condition you like Works with even the customised theme and any other theme
AI Chatbot automates customer service, helpdesk, recovers abandoned carts & grows sales via AI Chat. Verifast is an AI chatbot that automates customer service and grows sales for your Shopify store. Our ChatGPT-powered AI chat answers FAQs instantly, recovers abandoned carts, and delivers personalized product recommendations - 24/7 in 125 languages. AI Chat handles customer support & helpdesk queries across your website, WhatsApp, Instagram & email. Boost AOV with upsell & cross-sell flows. Seamlessly hand over to live chat when needed. Simple onboarding. Loved globally for awesome support Verifast is an AI chatbot that automates customer service and grows sales for your Shopify store. Our ChatGPT-powered AI chat answers FAQs instantly, recovers abandoned carts, and delivers personalized product recommendations - 24/7 in 125 languages. AI Chat handles customer support & helpdesk queries across your website, WhatsApp, Instagram & email. Boost AOV with upsell & cross-sell flows. Seamlessly hand over to live chat when needed. Simple onboarding. Loved globally for awesome support more Boost conversions and AOV through smart product recommendations with AI chatbot Recover abandonment carts with smart proactive interventions from AI sales bot Answer support queries, product FAQs like a live agent in all languages 24/7 Get AI Chat Insights on user intent, drop-offs, ad copy suggestions & SEO/GEO Omnichannel AI Agents - one chatbot for website, WhatsApp, Instagram & email
Lift AOV & conversion with one app — on-brand cart drawer, bundles, upsells, popups & sections. Verve is the on-page marketing suite: one app for your cart drawer, pop-ups, announcement bars, countdowns, page sections, product-page deals, forms and quizzes — with one design system behind them all. Verve reads your theme so every block matches your brand, or start from Verve Light and Dark. Bundles in six mechanics (quantity breaks, BOGO, mix & match, sets), five upsell types, and trigger, targeting, schedule and A/B controls on every offer. Discounts hold at checkout. No code needed. Verve is the on-page marketing suite: one app for your cart drawer, pop-ups, announcement bars, countdowns, page sections, product-page deals, forms and quizzes — with one design system behind them all. Verve reads your theme so every block matches your brand, or start from Verve Light and Dark. Bundles in six mechanics (quantity breaks, BOGO, mix & match, sets), five upsell types, and trigger, targeting, schedule and A/B controls on every offer. Discounts hold at checkout. No code needed. more Cart drawer, pop-ups, bars, page sections & product page — one app, one style Six bundle mechanics: quantity breaks, BOGO, mix & match, sets, native bundles Five upsell types with cart-aware rules, free-shipping goals and free gifts Reads your theme so every block is on-brand — or start from Verve Light & Dark Trigger, target, schedule and A/B test every offer — discounts hold at checkout
Boost sales and decrease returns with personalized AI-driven size recommendation Vestico provides personalized size recommendations for apparel brands with the power of artificial intelligence. No more guesswork or worrying about fit – Vestico will reduce returns and boost sales by ensuring customers get the perfect fit every time. As customers shop, Vestico continuously refines its recommendations on a product level, making them more accurate with each interaction. Its user-friendly interface will complement any brand identity, with no lift from your side. [[[ Vestico provides personalized size recommendations for apparel brands with the power of artificial intelligence. No more guesswork or worrying about fit – Vestico will reduce returns and boost sales by ensuring customers get the perfect fit every time. As customers shop, Vestico continuously refines its recommendations on a product level, making them more accurate with each interaction. Its user-friendly interface will complement any brand identity, with no lift from your side. [[[ more Size recommendation on every apparel item AI-powered system that learns from customers’ purchases and gets smarter Tested improvement in returns rates and conversion metrics Easy to install & next-day launch Access to the dashboard for in-depth analytics & customization options
Easily create multi-level filters for quick search and compatibility checks, reducing return rates. Enhance your store with a YMM search widget for automotive parts & related products. This widget helps customers find compatible items for their cars, motorcycles, trucks, etc., via a filtered search. Customize YMM dropdowns and display fitment info on orders to reduce incompatibility returns. It improves the shopping experience and boosts customer satisfaction. Enhance your store with a YMM search widget for automotive parts & related products. This widget helps customers find compatible items for their cars, motorcycles, trucks, etc., via a filtered search. Customize YMM dropdowns and display fitment info on orders to reduce incompatibility returns. It improves the shopping experience and boosts customer satisfaction. more Enhance your store's search with a versatile YMM search widget finder. Display fitment information and compatibility charts on product pages. Display product fitment in orders to reduce return rates for purchased items. Database containing newly released vehicles year round Provide comprehensive design or customization support for YMM applications.
Assign multiple variant images. Streamline product page with fully customizable variant gallery. The, fully customizable, VIM Variant Gallery replaces the existing product gallery on your theme of choice. Showcase all product variations uniquely and improve shopping experience. Instead of showing every image for all variations you can now display just the images for the selected variant. Blue/Large can have its own images, separate from Blue/Small, or Red/Large. Compatible with any theme, simple to configure, requires no coding, turn ON/OFF at anytime. Enjoy a clean setup and performance. The, fully customizable, VIM Variant Gallery replaces the existing product gallery on your theme of choice. Showcase all product variations uniquely and improve shopping experience. Instead of showing every image for all variations you can now display just the images for the selected variant. Blue/Large can have its own images, separate from Blue/Small, or Red/Large. Compatible with any theme, simple to configure, requires no coding, turn ON/OFF at anytime. Enjoy a clean setup and performance. more Quickly setup product variants with a dedicated gallery, slider or grid. Assign an image to MULTIPLE variant options, say Color and Size Easily integrate with ANY theme: minimal, no-code setup required. Choose from various gallery layouts and styles that match your store's design. Enhance product images with interactive shoppable hotspots.
Run viral giveaways, contests & sweepstakes to grow email list, boost engagement & have more sales! ViralSweep offers easy management of giveaways, sweepstakes, contests, raffles & waitlists, all while helping you boost sales & go viral! You can quickly create custom promotion pages to collect entries, analyze entrant data with charts & graphs, and easily select & notify winners. Even incentivize social media sharing to boost your promotion’s reach, generating additional leads and sales. You can collect UGC by running photo & video contests and choosing winners with votes or manual selection. ViralSweep offers easy management of giveaways, sweepstakes, contests, raffles & waitlists, all while helping you boost sales & go viral! You can quickly create custom promotion pages to collect entries, analyze entrant data with charts & graphs, and easily select & notify winners. Even incentivize social media sharing to boost your promotion’s reach, generating additional leads and sales. You can collect UGC by running photo & video contests and choosing winners with votes or manual selection. more Create your giveaway or raffle in minutes & share it easily with your customers Give bonus entries for completing social media actions: like, share, & more Run purchase-based giveaways to reward entries based on spend $1 spent = 1 entry Refer friends or complete social actions to move up spots on the waitlist Integrates with all your favorite email marketing, social media, & SMS platforms
Increase sales with AI Visual Search, Search Bar and Product Recommendations Simplify your e-commerce shopping experience and make it impressive. With our Visual Search, Search Bar and Product Recommendations plugin, you can show more customized results in user searches and increase your conversion rate. Increase your conversion rate with our AI-powered search and discovery plugin. Lightning-fast text search, image search, advanced category filtering, intuitive product filters and recommendations keep users happy. A complete suite for the discovery phase. Simplify your e-commerce shopping experience and make it impressive. With our Visual Search, Search Bar and Product Recommendations plugin, you can show more customized results in user searches and increase your conversion rate. Increase your conversion rate with our AI-powered search and discovery plugin. Lightning-fast text search, image search, advanced category filtering, intuitive product filters and recommendations keep users happy. A complete suite for the discovery phase. more Visual Search: Allow your e-commerce customers to search for products by images. Search Bar: Allow your e-commerce customers to search with AI text search. Product Recommendations: Suggest products in real time based on behaviour. Multiple Strategies: Optimize each experience with a variety of algorithms. Optimized for global sales with full Shopify Markets support.
A/B Testing With AI. Personalize & A/B Test Price, Offer, Theme, Upsell. Scale CRO With AB Testing AI-powered A/B testing, split testing, and personalization. With Visually AI, test every stage of the shopper journey: AB test homepage, PDPs, carts, A/B test checkouts and post-purchase upsells. Instantly generate site components and uncover what drives conversion rate. Visually connects to your Shopify data for full-funnel analytics and segmentation in one place. Run smarter, no-code A/B testing and CRO and reduce dev time. Migrate from abconvert, vwo, shogun AB test, intelligems or shoplift. AI-powered A/B testing, split testing, and personalization. With Visually AI, test every stage of the shopper journey: AB test homepage, PDPs, carts, A/B test checkouts and post-purchase upsells. Instantly generate site components and uncover what drives conversion rate. Visually connects to your Shopify data for full-funnel analytics and segmentation in one place. Run smarter, no-code A/B testing and CRO and reduce dev time. Migrate from abconvert, vwo, shogun AB test, intelligems or shoplift. more A/B testing in minutes: Generate, edit and launch an AB test using Visually AI Personalize by segment using catalog + behavior signals, Optimize with AB tests Leverage advanced A B testing statistical tech via powerful AB testing analytics Run a split test to max conversion rate on themes, discounts, prices & shipping Ensure no flickering and high page speed using an AB test-focused architecture
Quiz app: Build a custom shop quiz funnel to recommend products, grow sales & AOV and capture leads Build a product recommendation quiz with Visual Quiz Builder to convert shoppers via a custom quiz funnel. Launch a product quiz with VQB's AI quiz builder to capture leads / sell with quizzes. Deploy an AI Shopping Assistant for guided selling. Personalize segmented customer journeys with our AI quizz maker. Use our AI quiz app to launch a high-converting shop quiz or popup quiz. Easily migrate from typeform, revenuehunt, quiz kit, quizell, quizify, jotform, octane ai, outgrow, lantern, recomma Build a product recommendation quiz with Visual Quiz Builder to convert shoppers via a custom quiz funnel. Launch a product quiz with VQB's AI quiz builder to capture leads / sell with quizzes. Deploy an AI Shopping Assistant for guided selling. Personalize segmented customer journeys with our AI quizz maker. Use our AI quiz app to launch a high-converting shop quiz or popup quiz. Easily migrate from typeform, revenuehunt, quiz kit, quizell, quizify, jotform, octane ai, outgrow, lantern, recomma more Product quiz app with quiz AI to build a product recommendation quiz funnel Launch the AI shopping assistant to convert and upsell using a chat popup AI quiz builder for any popup quiz. E.g. skin quiz, skincare quiz, hair quiz Optimize shop quiz conversion and AOV via quizz analytics & ab testing Use the quiz maker for a shop quiz, shopping quiz or product recommender
Vye alerts customers to any item they're searching for. It's not limited to simple restock alerts. Built for shops with ever-changing inventory, including collectibles, trading cards, vintage, consignment and specialty retail. Unlike typical back-in-stock apps that track one product, Vye lets customers save what they're looking for, such as a keyword, collection or vendor and get notified when a match arrives. Create subscription forms with a drag-and-drop editor, design branded email templates and add SMS alerts. Hands-on support that adapts to your store's needs. Built for shops with ever-changing inventory, including collectibles, trading cards, vintage, consignment and specialty retail. Unlike typical back-in-stock apps that track one product, Vye lets customers save what they're looking for, such as a keyword, collection or vendor and get notified when a match arrives. Create subscription forms with a drag-and-drop editor, design branded email templates and add SMS alerts. Hands-on support that adapts to your store's needs. more Notify customers when products match their exact interests, not just restocks Let customers save preferences and subscribe to personalized alerts Create custom subscription forms with a drag-and-drop editor Send email or SMS notifications automatically when new items match Request custom modifications for your store's needs
Show Prop 65, allergen and AI disclosure warnings, targeted by product, country or US state. Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got your back. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Improve EU withdrawal compliance with CCPA/GDPR accurate warnings, alerts, and reduce fraud & chargebacks. Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got your back. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Improve EU withdrawal compliance with CCPA/GDPR accurate warnings, alerts, and reduce fraud & chargebacks. more Show popups and textual warning note/disclaimer on product page, cart & checkout Add unlimited warnings: Prop 65, notice, FAQ, product labels & badges and alerts Show the warnings globally or target specific products, collections & countries Fully customizable warning style, texts, images and buttons to match your store You can entirely block the checkout process when the checkout warning appears
Create warnings for P65, Pre-order, Shipping delays, Product availability, Announcements, etc. Can not ship some orders as usual? Want to inform international customers about possible shipping delays? Need to notify customers about a lock-down for holidays? Have many items on pre-order? Want all orders to be correct and make your support team more relaxed? Warnify helps to give your customers the most important information before they proceed to checkout. Say “NO” to misunderstanding! Show clear and easy-to-understand warning popups when products are added to cart or before checkout. Can not ship some orders as usual? Want to inform international customers about possible shipping delays? Need to notify customers about a lock-down for holidays? Have many items on pre-order? Want all orders to be correct and make your support team more relaxed? Warnify helps to give your customers the most important information before they proceed to checkout. Say “NO” to misunderstanding! Show clear and easy-to-understand warning popups when products are added to cart or before checkout. more Show warnings on PDP, collection, cart or checkout pages Create global warnings or target them to products, variants or collections. Target warnings to specific countries / provinces, time range, cart size, lang Customize warnings design, buttons, icons and content. Show warnings or entirely block checkout process for selected products
Maximize Engagement with Webrex: The Ultimate Bar for Promotions, Countdowns, and Targeted Campaigns Boost your store's impact with Webrex, the all-in-one bar for promotions and targeted campaigns. From Countdown to Free Shipping Bars, customize effortlessly for both mobile and desktop. Utilize GEO and device targeting to optimize engagement and conversions. With the Contact Bar, easily build your email list for future promotions. Set up in minutes, no coding needed, and enjoy dedicated support to maximize your success. Boost your store's impact with Webrex, the all-in-one bar for promotions and targeted campaigns. From Countdown to Free Shipping Bars, customize effortlessly for both mobile and desktop. Utilize GEO and device targeting to optimize engagement and conversions. With the Contact Bar, easily build your email list for future promotions. Set up in minutes, no coding needed, and enjoy dedicated support to maximize your success. more Multiple Position, Multiple Bar, Multiple Animation with Full Customization Bar Type: Promotional & Countdown Bar, Add to Cart, Email Bar, Free Shipping Bar Animation Type: Regular, Moving Multiple Bar, Carousel Slide Set Diffrent Content & Design for Mobile and Desktop, Fully Customization Targeting: GEO, Device, Page & Source Targeting and Scheduling
Show a personalized greeting banner to each customer Personalized Greeting Banner lets you display a custom message to your customers using their first or last name. You can customize the text, design, and optionally show a discount or offer inside the banner. Useful for greeting returning customers and highlighting offers without changing your theme. Personalized Greeting Banner lets you display a custom message to your customers using their first or last name. You can customize the text, design, and optionally show a discount or offer inside the banner. Useful for greeting returning customers and highlighting offers without changing your theme. more Show personalized messages using customer first or last name Fully customizable banner text and design Display discount codes or special offers in the banner Works automatically for logged-in customers
Grow AOV with frequently bought, recently viewed, cart drawer gifts, checkout & post purchase upsell Wiser’s AI shows each shopper the right product at every step, so they add more to cart and you increase AOV and sales. Show related products, you may also like, frequently bought together, recently viewed and Shop the Look on every page of your store. Upsell in a slide cart drawer with tiered free gifts, discounts and a rewards bar. Then add checkout upsell (Shopify Plus), post purchase upsell and thank-you page offers. Add AI search and filters, and track revenue by widget in your admin. Wiser’s AI shows each shopper the right product at every step, so they add more to cart and you increase AOV and sales. Show related products, you may also like, frequently bought together, recently viewed and Shop the Look on every page of your store. Upsell in a slide cart drawer with tiered free gifts, discounts and a rewards bar. Then add checkout upsell (Shopify Plus), post purchase upsell and thank-you page offers. Add AI search and filters, and track revenue by widget in your admin. more AI frequently bought together product bundles with discounts & data rules IntelliSearch: AI-powered search & discover with detailed analytics & filters Boost AOV by post purchase Upsell, Checkout Upsell & Complete the Look widgets Advanced cart drawer with tiered discounts in cart to increase conversions AI search & filters (IntelliSearch) with detailed search analytics
Build trust, create urgency, and drive more sales with sales popups, timers & review notifications. Show live visitor counts, recent sales, and customer reviews to build trust with your audience. Highlight social media activity, testimonials, and follower milestones to make your store more credible. Increase sales with alerts like low stock, flash discounts, and free shipping bars. WiserNotify makes it easy to turn visitors into buyers. With over 250 integrations, setup is quick and simple. Need help? Our team is here to assist you. Show live visitor counts, recent sales, and customer reviews to build trust with your audience. Highlight social media activity, testimonials, and follower milestones to make your store more credible. Increase sales with alerts like low stock, flash discounts, and free shipping bars. WiserNotify makes it easy to turn visitors into buyers. With over 250 integrations, setup is quick and simple. Need help? Our team is here to assist you. more Social Proof Notifications: Show recent purchases, reviews, & live visitor count Promotional Widgets: Display discounts, announcements, and special offers. Inline messaging: Show social & FOMO notifications within your website content. Analytics Dashboard: Track clicks, conversions, and sales. Multi-language Support: Customize notifications in 50+ languages.
Enhance your conversion rate with Advanced AI Powered Search, Filter & Product Discovery tools Elevate your store’s product discovery with Wizzy AI Search & Filter. Enable dynamic filters by product tags, sizes, colors, vendors, brands, inventory locations, and more, tailored to your store’s needs. Wizzy’s intelligent search provides instant AI-driven suggestions, spell checks, autocorrect, synonyms with proprietary AI product ranking. Enhance engagement on collection and search pages with keyword redirects, and curated recommendations even turning 404 pages into conversion opportunities. Elevate your store’s product discovery with Wizzy AI Search & Filter. Enable dynamic filters by product tags, sizes, colors, vendors, brands, inventory locations, and more, tailored to your store’s needs. Wizzy’s intelligent search provides instant AI-driven suggestions, spell checks, autocorrect, synonyms with proprietary AI product ranking. Enhance engagement on collection and search pages with keyword redirects, and curated recommendations even turning 404 pages into conversion opportunities. more Full text contextual search, understands users intent to show relevant products Shows Recent Search Terms, Trending Searches, Visual Swatches and Blog Search Unlimited custom filters & Show Individual Variants on Search & Collection Pages Search by Colors, Size, Variations, Description, Tags, Metafields, SKU, barcode. Implements fast search and filters without hampering store's page insights score
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About Custom CSS Apps for Shopify
Custom CSS 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 css 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 css solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.