Make your shop comply with the EU Omnibus Directive. Our app ensures full compliance with the European Omnibus Directive by displaying the lowest price of the past 30 days for each product variant around Unified Markets. We monitor and record price changes, keeping the lowest price always updated. The product page widget is fully customizable in terms of color, spacing, and formatting, offering advanced display settings, including the ability to hide it by vendor and tag. You can reach us via chat or email for assistance. Our app ensures full compliance with the European Omnibus Directive by displaying the lowest price of the past 30 days for each product variant around Unified Markets. We monitor and record price changes, keeping the lowest price always updated. The product page widget is fully customizable in terms of color, spacing, and formatting, offering advanced display settings, including the ability to hide it by vendor and tag. You can reach us via chat or email for assistance. more Complies with Omnibus: Track the lowest price over 30 days or custom timeframe. Customizable Widget: Edit colors, adjust spacing, position and translate texts. Display initial price, hide widget based on product price, vendors or tags. Support through live chat and email for any request. Market supports via Unified Markets.
Custom CSS Shopify Apps
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Increase your conversion rate with A/B testing, overlays and surveys: Free for up to 50K visitors/mo A/B testing made easy: test your strategies and plan your experiments with an easy Visual Editor or via code. Improve Conversion Rate: Test different images, copy, content, shipping or pricing - by location, or advanced targeting. Get more revenue: Run pricing or shipping tests to grow CV AOV, abandonment rate and conversion rate Web Personalization: Omniconvert Explore helps to power up your visitor interactions with everything you know about them. Deliver relevant, real-time experiences. A/B testing made easy: test your strategies and plan your experiments with an easy Visual Editor or via code. Improve Conversion Rate: Test different images, copy, content, shipping or pricing - by location, or advanced targeting. Get more revenue: Run pricing or shipping tests to grow CV AOV, abandonment rate and conversion rate Web Personalization: Omniconvert Explore helps to power up your visitor interactions with everything you know about them. Deliver relevant, real-time experiences. more A/B Testing via an easy-to-use interface for non-technical marketers Overlays: easily to use templates to capture leads or prevent cart abandonment Surveys to collect customer feedback: logic branching and segmentation Personalization: adapt your website with CRM data, RFM, weather, traffic & more Advanced segmentation: >40 variables: traffic source, UTM campaigns & a lot more
Google Maps store locator with up to 2,000 locations per map! Add a flexible store locator to your Shopify store with Omnium Maps. Place maps on any page, use them with any Shopify theme, and manage physical locations such as stores, showrooms, service points, franchises, retail partners, and stockists. Developers and Shopify Partners get extra tools for advanced customization and map placement. Add a flexible store locator to your Shopify store with Omnium Maps. Place maps on any page, use them with any Shopify theme, and manage physical locations such as stores, showrooms, service points, franchises, retail partners, and stockists. Developers and Shopify Partners get extra tools for advanced customization and map placement. more Google Maps integration with automatic, CSS selector, or Liquid code placement. Unlimited maps, one per page, with up to 2,000 locations each. Search by text, address, ZIP code, or customer geolocation. CSV import and export with automatic geocoding for bulk location updates. Customize maps with themes, layouts, and custom CSS.
Increase AOV with one-click post purchase upsell app, slide cart upsells, checkout upsells & more OneClickUpsell (OCU) is the all-in-one upsell platform for Shopify covering every offer placement in a single app: one-click post purchase, product page, pre purchase, slide cart, checkout (Shopify Plus), and thank you page. Increase your ROI on ad spend by earning more revenue from every order. Build high-converting funnels with Dynamic AI Offers, A/B testing, and advanced targeting. No coding required. OneClickUpsell (OCU) is the all-in-one upsell platform for Shopify covering every offer placement in a single app: one-click post purchase, product page, pre purchase, slide cart, checkout (Shopify Plus), and thank you page. Increase your ROI on ad spend by earning more revenue from every order. Build high-converting funnels with Dynamic AI Offers, A/B testing, and advanced targeting. No coding required. more One-click post-purchase upsells, in-cart upsells & checkout upsells in one app Dynamic AI Upsells self-optimize from your store’s data to show the best offer Built-in A/B testing, advanced targeting by product, cart value & customer tags Shopify Plus Partner & Certified Technology Partner with native checkout upsells Create new revenue streams with built-in thank you page offers via PostProfit
Instantly boost Google SEO & get indexed faster with a 1-click branded HTML sitemap and XML sitemap! Improve SEO visibility by generating a clean, branded HTML sitemap for your store the moment you install. Set it up in under 1 minute and manage everything inside Shopify Admin—no code required. The sitemap updates automatically as your catalog changes, and you get simple guidance to improve indexing. Auto-create your sitemap page & add it to your footer in one click. Compatible with all themes, optimized for speed. Questions? Chat with our friendly & fast customer support. Improve SEO visibility by generating a clean, branded HTML sitemap for your store the moment you install. Set it up in under 1 minute and manage everything inside Shopify Admin—no code required. The sitemap updates automatically as your catalog changes, and you get simple guidance to improve indexing. Auto-create your sitemap page & add it to your footer in one click. Compatible with all themes, optimized for speed. Questions? Chat with our friendly & fast customer support. more Create an HTML sitemap that lists products, collections, and pages instantly. Auto‑update the sitemap as you add or remove items — no maintenance. Customize colors, typography, and layout on your sitemap to match your brand. Add your HTML sitemap link to the footer menu automatically — no theme edits. Follow the built‑in step‑by‑step guide to submit your XML sitemap to Google.
Ongoing Upsells instantly adds a Buy Now button to the top of product pages helping to boost sales Ongoing Upsells helps you capture more sales with a sticky 'Add to Cart' bar that stays visible as shoppers scroll. This powerful upsell tool keeps key actions front and center, guiding customers smoothly toward checkout. It’s designed to boost conversions, reduce cart abandonment, and increase engagement on every product page. Easy to install, fully customizable, and built for speed—Ongoing Upsells makes it easier for shoppers to act, so you can turn more traffic into revenue. Ongoing Upsells helps you capture more sales with a sticky 'Add to Cart' bar that stays visible as shoppers scroll. This powerful upsell tool keeps key actions front and center, guiding customers smoothly toward checkout. It’s designed to boost conversions, reduce cart abandonment, and increase engagement on every product page. Easy to install, fully customizable, and built for speed—Ongoing Upsells makes it easier for shoppers to act, so you can turn more traffic into revenue. more Always Visible Add to Cart: Make it easy for customers to buy anytime, anywhere Customizable Design: Match your store's look with full control over colors/ look Fast Checkout: Get customers to checkout quicker and reduce cart abandonment
Use progress bar to boost average order value (AOV). Show shoppers the finish line They were always one item away. Now they can see it. Show customers exactly how much more they need to spend to unlock free shipping or the next discount. The progress bar updates instantly as the cart changes, creating a clear reason to add another item. Set single or multi-tier goals, write your own call-to-action, customize the design, and place the bar inline on product pages, cart pages, and cart drawers. Preview every goal before it goes live. Show shoppers the finish line They were always one item away. Now they can see it. Show customers exactly how much more they need to spend to unlock free shipping or the next discount. The progress bar updates instantly as the cart changes, creating a clear reason to add another item. Set single or multi-tier goals, write your own call-to-action, customize the design, and place the bar inline on product pages, cart pages, and cart drawers. Preview every goal before it goes live. more Rich text editor for call-to-action Customizable progress bar. Change style based on your store design. Inline widget that doesn't clutter your page. Multi-tiers discounting. Flexible multiple spots - Product page, cart page, cart drawer etc
Don't just Recommend. Show X% of Customers who Also Bought. Why choose OnVoard Product Recommender? Our app don't just display product recommendations. We make product recommendations more compelling by adding social proofs like "25% of customers bought this together" to convince customers WHY they should add product to cart. This is our app differentiation VS other product recommendations app. For GDPR, data are hosted in EU. Why choose OnVoard Product Recommender? Our app don't just display product recommendations. We make product recommendations more compelling by adding social proofs like "25% of customers bought this together" to convince customers WHY they should add product to cart. This is our app differentiation VS other product recommendations app. For GDPR, data are hosted in EU. more Style Editor: Customize product recommendations based on your store design Meta Labels: Use social proofs to enhance product recommendations Filtering: Use filters to exclude products based on rating, quantity, tags etc. Revenue Tracking: Identify assisted revenue generated recommendations Analytics: View analytics to identify top-performing recommendations
Customize the variant picker with visual swatches and show matching images for each variant. OPTIS turns your theme’s plain text variant picker into visual choices with color swatches, image swatches and more. Show matching variant images and descriptions for selected options, helping shoppers choose faster and reduce confusion. Highlight variants with auto sold-out, new, sale & low-stock badges, or create custom badges. Customize your picker separately for desktop and mobile. Give your store a polished look with seamless Shopify theme integration & 24/7 chat support. OPTIS turns your theme’s plain text variant picker into visual choices with color swatches, image swatches and more. Show matching variant images and descriptions for selected options, helping shoppers choose faster and reduce confusion. Highlight variants with auto sold-out, new, sale & low-stock badges, or create custom badges. Customize your picker separately for desktop and mobile. Give your store a polished look with seamless Shopify theme integration & 24/7 chat support. more Color & Image Swatches: on product pages and all product cards across your store Variant Images: show only selected variant photos for a clean gallery that sells Variant Badges: highlight key variants with sold-out, new, sale or custom badges Product Groups: link related products as variants, each with an SEO-friendly URL Bulk upload swatches, add variant descriptions and require variant selection
Personalized popups within minutes: Email, Exit intent, Spin-to-Win, Discount, Upsell and more. Increase sales, gamify the experience, collect emails and sync with your favorite tools. Boost user engagement with discount and lucky wheel pop ups. Sell more with smart product suggestions, upsell and cross sell pop ups. The drag & drop pop up builder gives you freedom, while the large number of premade templates get you started quickly. Advanced targeting system supports tons of options such as exit intent and shopping cart rules. Let's grow your business together! Increase sales, gamify the experience, collect emails and sync with your favorite tools. Boost user engagement with discount and lucky wheel pop ups. Sell more with smart product suggestions, upsell and cross sell pop ups. The drag & drop pop up builder gives you freedom, while the large number of premade templates get you started quickly. Advanced targeting system supports tons of options such as exit intent and shopping cart rules. Let's grow your business together! more Drag & drop popup builder. Rich template gallery, easy to customize and brandize Email pop ups that powered gamification widgets for engagement. Sale popups, promote products, offer discounts, free shipping bars, and more. Personalized popups with advanced targeting and smart data bindings. Smart product recommendation popups for up-selling and cross-selling.
Easily add custom product options and variants for personalized shopping experiences. Option Plus helps merchants create and manage unlimited custom product options without coding. Add text fields, dropdowns, image swatches, and more to give customers personalized choices. The app works with Shopify’s product pages, supports virtual variants, and offers bulk import/export for faster setup. Designed for ease of use, it streamlines product customization and improves the shopping experience. Option Plus helps merchants create and manage unlimited custom product options without coding. Add text fields, dropdowns, image swatches, and more to give customers personalized choices. The app works with Shopify’s product pages, supports virtual variants, and offers bulk import/export for faster setup. Designed for ease of use, it streamlines product customization and improves the shopping experience. more Create unlimited custom product options and virtual variants. Add text fields, dropdowns, checkboxes, and image swatches Bulk import and export product options via CSV or JSON. Easily edit and manage options directly from the product page. Works seamlessly with Shopify themes without coding.
Allows to create various custom fields for product. Effective product option can help to boost sales Unlimited variant options with conditional logic. Options include dropdown, image upload, single and multi-line text input, radio button, checkbox, date-picker, label, file upload, swatches, products etc. Optionify will help to sell personalized and custom products in a store. If you sell a product that has lots of options or variants and need extra fields to show in the front-end then this app will be your reliable choice. This app will help to make products more important to customers. Unlimited variant options with conditional logic. Options include dropdown, image upload, single and multi-line text input, radio button, checkbox, date-picker, label, file upload, swatches, products etc. Optionify will help to sell personalized and custom products in a store. If you sell a product that has lots of options or variants and need extra fields to show in the front-end then this app will be your reliable choice. This app will help to make products more important to customers. more Faster and easier way to create Extra Option fields with Conditional Logic Convert more customers and help to increase sales by decorating products Easily create custom options with value & price Add an unlimited number of options for products Options include drop-down, swatch, file upload, text, date-picker etc.
Add unlimited options beyond the 3 native product options. 21 types that don't create variants Optionize adds unlimited custom product options so shoppers can personalize before checkout, without using the three native product options or creating extra variants. Choose from 21 option types: text, swatches, file upload, date/time, dimension, and more. Use AI to draft option sets quickly. Add conditional logic, add-on prices, and linked products when you need them. A live preview shows options before you publish. Custom CSS, multi-currency, and translations are supported. Optionize adds unlimited custom product options so shoppers can personalize before checkout, without using the three native product options or creating extra variants. Choose from 21 option types: text, swatches, file upload, date/time, dimension, and more. Use AI to draft option sets quickly. Add conditional logic, add-on prices, and linked products when you need them. A live preview shows options before you publish. Custom CSS, multi-currency, and translations are supported. more Unlimited options and option sets beyond the 3 native product options 21 option types: text, swatches, uploads, dates, dimension, and more Options that don't create variants, keeping catalogs clean and flexible Conditional logic: show or hide options based on customer choices AI-assisted option sets: draft personalization fields in minutes
Personalize products w/ infinite options, text, swatches, file uploads, price addon & live preview Unlock infinite bold product options & flexible variant options beyond Shopify variant limits, built for personalization. Let customers add custom text, upload images, choose sizes, fonts & real-time preview their choices on product page. Collect customer inputs before checkout. Boost AOV with add-ons, bundles, gift wraps & extra prices. Create clean buying flow with conditional logic, option groups, cart page edits, variant-specific images. Easy to use, simple to manage, with 24/7 live support. Unlock infinite bold product options & flexible variant options beyond Shopify variant limits, built for personalization. Let customers add custom text, upload images, choose sizes, fonts & real-time preview their choices on product page. Collect customer inputs before checkout. Boost AOV with add-ons, bundles, gift wraps & extra prices. Create clean buying flow with conditional logic, option groups, cart page edits, variant-specific images. Easy to use, simple to manage, with 24/7 live support. more 20+ options: text box, color image swatch, dropdown, file upload, checkbox, date Price add on & product add-ons for bundles, upsell & track inventory Product personalizer: font picker, image upload, engraving option & live preview Multiple variant images, gift wraps, size chart, cart page variant option edit Fully compatible with all Shopify discounts, integrated into your products offer
Estimated delivery dates made easy! Accurate, real-time shipping & delivery dates with countdown. Showing an estimated delivery date on product pages helps turn visitors into customers by answering their two biggest questions of "When will I get it?" and "How long do I have left to place my order?". Order Deadline solves the challenge of accurate delivery estimates and calculates shipping & delivery dates in real-time based on your settings. Optionally save calculated dates to be displayed within notification emails and used during your order handling processes. Showing an estimated delivery date on product pages helps turn visitors into customers by answering their two biggest questions of "When will I get it?" and "How long do I have left to place my order?". Order Deadline solves the challenge of accurate delivery estimates and calculates shipping & delivery dates in real-time based on your settings. Optionally save calculated dates to be displayed within notification emails and used during your order handling processes. more Estimated delivery such as "Want it tomorrow? Order within 2 hours, 59 minutes" Set site-wide defaults & override settings by collections, products & variants. Save calculated dates to customer orders & display them in notification emails. Optionally create settings targeting customers in specific countries. Display anywhere on your pages with robust placement settings.
Turn your Instagram post into a sales funnel. Showcase your brand and gain trust! OT: Instagram Feed turns your Instagram into a sales channel. Create shoppable posts so customers can buy directly, choose which posts to show or hide, drag & drop to arrange, and customize layouts to match your brand. Your feed updates in real time - saving time, boosting engagement, and driving more sales. OT: Instagram Feed turns your Instagram into a sales channel. Create shoppable posts so customers can buy directly, choose which posts to show or hide, drag & drop to arrange, and customize layouts to match your brand. Your feed updates in real time - saving time, boosting engagement, and driving more sales. more Display Instagram posts in various layouts - Boost store look & build trust. Create shoppable posts that drive conversions - Tag upto 3 products in each post Full control with drag-drop - Show, hide, and arrange posts your way. Easily customize layouts & styles to perfectly match your store’s brand look. Real-time updates & performance insights - Keep your feed fresh and on-trend.
Our Work App lets you effortlessly showcases projects and portfolios, with category and product tags Our Work App is your go-to solution for showcasing projects and portfolios seamlessly on Shopify. This portfolio app not only allows you to display your work with stunning image displays and categorization options but also enables easy tagging of products. Whether you're a manufacturer, selling product or any creative professional, Our Work App enhances your ability to present your portfolio with clarity and style, ensuring your products are shown in real world use, and tagged for purchase. Our Work App is your go-to solution for showcasing projects and portfolios seamlessly on Shopify. This portfolio app not only allows you to display your work with stunning image displays and categorization options but also enables easy tagging of products. Whether you're a manufacturer, selling product or any creative professional, Our Work App enhances your ability to present your portfolio with clarity and style, ensuring your products are shown in real world use, and tagged for purchase. more Showcase Portfolios and Projects: Display your work in an appealing way Tag Products Easily: Highlight key products within your projects with simple tag Organize Your Portfolio: Keep your projects well-organized with catagories
Let shoppers drag & drop clothes to build outfits instead of just scrolling through static pictures. Outfit Builder turns passive browsing into active participation. People remember what they build. Rather than aimlessly scrolling through regular product grids, customers interact directly with your brand by layering outfits themselves, experimenting with combinations, & discovering products naturally. It installs directly into your Shopify store, works across all devices, & respects your existing theme. Turn your store from a basic theme into an unforgettable experience that converts. Outfit Builder turns passive browsing into active participation. People remember what they build. Rather than aimlessly scrolling through regular product grids, customers interact directly with your brand by layering outfits themselves, experimenting with combinations, & discovering products naturally. It installs directly into your Shopify store, works across all devices, & respects your existing theme. Turn your store from a basic theme into an unforgettable experience that converts. more Hands-on outfit building through intuitive drag-and-drop interaction Flexible layouts, from structured grids to freeform scatter, to match your brand Each item is shoppable, linking directly to product pages or custom destinations Designed for touch and motion, working seamlessly across desktop and mobile Run multiple outfit builders at the same time to curate new drops and collabs
Boost sales with customizable announcement bar - scrolling, sticky, rotating & sliding bars Enhance your store with an announcement bar that grabs attention and drives sales. Create scrolling, sticky, rotating, sliding or marquee bars to highlight promotions, free shipping, notifications or seasonal offers. Add call-to-action buttons that guide shoppers to collections or pages. Schedule bars by country, keep every bar mobile-friendly, and match your brand with custom colors, fonts and emojis. Multi-language support in 23 languages helps your store reach a global audience. Enhance your store with an announcement bar that grabs attention and drives sales. Create scrolling, sticky, rotating, sliding or marquee bars to highlight promotions, free shipping, notifications or seasonal offers. Add call-to-action buttons that guide shoppers to collections or pages. Schedule bars by country, keep every bar mobile-friendly, and match your brand with custom colors, fonts and emojis. Multi-language support in 23 languages helps your store reach a global audience. more Scrolling & marquee bars: running text banners to highlight promotions & sales. Sticky, rotating & carousel bars: multiple sliding announcement bars in rotation Free shipping & discount bars with call-to-action buttons to pages & collections Geo-targeting & scheduling: show bars by country, schedule for BFCM & sales 23 languages, mobile-friendly, no code: match brand with colors, fonts & emojis
Cart drawer upsell, checkout upsell blocks & aftersell: post purchase upsell & thank you page upsell Oxify upsell app combines a slide cart drawer with checkout upsell blocks and one-click post purchase upsell funnels. In the side cart, add cart upsell, cross-sell, AI product recommendations, add-ons & gift wrap. At checkout, add product upsell, bundle, upgrade, shipping protection, warranty, free gift, free shipping bar & trust badges. After purchase, run a thank you page upsell. Add frequently bought together bundles, BOGO, quantity breaks, volume discounts & a reward bar to lift AOV. Oxify upsell app combines a slide cart drawer with checkout upsell blocks and one-click post purchase upsell funnels. In the side cart, add cart upsell, cross-sell, AI product recommendations, add-ons & gift wrap. At checkout, add product upsell, bundle, upgrade, shipping protection, warranty, free gift, free shipping bar & trust badges. After purchase, run a thank you page upsell. Add frequently bought together bundles, BOGO, quantity breaks, volume discounts & a reward bar to lift AOV. more Slide cart drawer with cart upsell, in-cart upsell, cross-sell & FBT bundles Post purchase upsell, checkout upsell & thank you page upsell to boost AOV Checkout upsell blocks: product upsell, bundles, upgrades & shipping protection Reward bar, free shipping bar, free gift, countdown timer & trust badges One-click upsell, BOGO, quantity breaks, volume discounts & gift wrap upsells
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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.