Show matching products to help customers build complete looks and increase order value. BeUniq Shop The Look helps merchants increase sales by linking complementary products to a main product and creating complete looks. A customizable Shop the Look button appears on the product page, opening a sidebar drawer with matching products for quick browsing. Easily match your store's branding with flexible design settings while improving product discovery, boosting cross-sells, increasing average order value (AOV), and delivering a seamless shopping experience. BeUniq Shop The Look helps merchants increase sales by linking complementary products to a main product and creating complete looks. A customizable Shop the Look button appears on the product page, opening a sidebar drawer with matching products for quick browsing. Easily match your store's branding with flexible design settings while improving product discovery, boosting cross-sells, increasing average order value (AOV), and delivering a seamless shopping experience. more Display matching products to help shoppers discover complete looks and buy more Shop the Look as Button or Link. Easy step to relocate Shop The Look New Halloween Themes/ One click install / 2.0 Compatible No theme files are changed and no liquid file is installed Desktop & Mobile compatible | Show as Link or Button which will open drawer
Custom CSS Shopify Apps
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Add a Buy Now button. Skip the cart and go straight to checkout. BeUniq Buy Now Button lets merchants add a customizable, animated Buy Now button to product pages without editing theme code. Customers can skip the cart page and go directly to checkout for a faster purchasing experience. Easily customize the button's style and placement from the Theme Editor. Compatible with Online Store 2.0, the app provides a seamless shopping experience across desktop and mobile devices while simplifying the path to checkout. BeUniq Buy Now Button lets merchants add a customizable, animated Buy Now button to product pages without editing theme code. Customers can skip the cart page and go directly to checkout for a faster purchasing experience. Easily customize the button's style and placement from the Theme Editor. Compatible with Online Store 2.0, the app provides a seamless shopping experience across desktop and mobile devices while simplifying the path to checkout. more Let customers skip the cart and go directly to checkout. Increase sales and reduce abandoned carts Match the button style with your store's branding and theme. Add animations to Buy now button. Single product or Mixed cart
Add customizable image, video, and PDF size guides to any product. **BeUniq Size Chart** helps merchants create and display customizable size guides using images, PDFs, videos, or editable tables. Show size charts as a button, text link, popup, or inline section on product pages for a seamless shopping experience. Easily customize the design to match your store's theme without coding. Help customers choose the right size with clear, informative guides that reduce sizing uncertainty, improve confidence, decrease returns, and increase conversions. **BeUniq Size Chart** helps merchants create and display customizable size guides using images, PDFs, videos, or editable tables. Show size charts as a button, text link, popup, or inline section on product pages for a seamless shopping experience. Easily customize the design to match your store's theme without coding. Help customers choose the right size with clear, informative guides that reduce sizing uncertainty, improve confidence, decrease returns, and increase conversions. more Help reduce size-related returns and increase purchase confidence. Create size charts with images, videos, PDFs, or editable tables. Assign unique size charts to specific products or collections. Size chart as Pop up or Inline. Easy step to relocate size chart link Responsive design for desktop, tablet, and mobile devices.
Transform Visitors into Your Sales fleet Bevy Share Cart adds a sleek share button to your store's cart page, allowing customers to share their shopping carts on social media with a single click. When recipients click the shared link, they can instantly replicate the exact cart and proceed to checkout, creating a seamless social shopping experience. Bevy Share Cart seamlessly integrates with your Shopify store, adding a powerful social sharing capability that helps expand your reach and drive conversions. Bevy Share Cart adds a sleek share button to your store's cart page, allowing customers to share their shopping carts on social media with a single click. When recipients click the shared link, they can instantly replicate the exact cart and proceed to checkout, creating a seamless social shopping experience. Bevy Share Cart seamlessly integrates with your Shopify store, adding a powerful social sharing capability that helps expand your reach and drive conversions. more Track cart sharing activity and revenue generated from shared carts Choose between automatic or manual installation to fit your store setup Select from pre-built themes or customize to match your brand identity Incentivize sharing by rewarding customers who share their carts
Easily create beautiful, professional size charts for your store. Create clean size charts for all your size variations. Customize with text and images in our custom text boxes. For tshirts, apparel brands, shoe size charts, & detail body measurement. Create smart size charts based on collections and product tags. Previously known as Best Fit Size Charts. Use with Vajro, seize charte, image size chart, VO Product option, product page size chart, fb size chart pop up, size guide app, sizing guide Create clean size charts for all your size variations. Customize with text and images in our custom text boxes. For tshirts, apparel brands, shoe size charts, & detail body measurement. Create smart size charts based on collections and product tags. Previously known as Best Fit Size Charts. Use with Vajro, seize charte, image size chart, VO Product option, product page size chart, fb size chart pop up, size guide app, sizing guide more BF Sizechart app built to reduce returns, because size matters on every product. Use our sizeguide app for sizing charts to convert cm/ inches measurements. Build your BF Sizing Chart and add a size table on your product pages. Jewelry ring size chart app, ring sizer app as a size finder product comparison. Smart size chart, size app, size guides fit finder, size guide app, sizing guide
Find the perfect bike size with automated, customizable recommendations. Helping customers choose the perfect bike size is critical for reducing returns and increasing conversion rates. Bike Size Pro isn't just a static chart—it's an interactive sizing engine built specifically for bicycle merchants. Instead of confusing customers with geometry tables they don't understand, Bike Size Pro asks simple questions (Height, Leg Length, Riding Style) and gives a clear, confident recommendation (e.g., "We recommend size 54cm."). Helping customers choose the perfect bike size is critical for reducing returns and increasing conversion rates. Bike Size Pro isn't just a static chart—it's an interactive sizing engine built specifically for bicycle merchants. Instead of confusing customers with geometry tables they don't understand, Bike Size Pro asks simple questions (Height, Leg Length, Riding Style) and gives a clear, confident recommendation (e.g., "We recommend size 54cm."). more Create unlimited custom size profiles (Road, MTB, Kids, etc.). Recommend sizes using height, leg length, and riding preference. Auto-apply calculators using product tags, vendors, or collections. Customize fonts, colors, and widget styles to match your brand. Full translation support for international, multi-language stores.
Make byob bundle builders, mix and match product bundles, build your own bundle & build a box. Biscuits Bundles is a BYOB bundle builder for mix and match products. Let customers build your own bundle or build a box product bundles with mix and match bundle discounts. Pricing rules like volume discounts, quantity breaks, fixed pricing, or percentage off. Control selection quantity limits per step. Perfect for mix and match product bundles, product bundles customizable, personalised kits & mix and match bundle gift sets. Localise pricing and language with Shopify Markets catalog support. Biscuits Bundles is a BYOB bundle builder for mix and match products. Let customers build your own bundle or build a box product bundles with mix and match bundle discounts. Pricing rules like volume discounts, quantity breaks, fixed pricing, or percentage off. Control selection quantity limits per step. Perfect for mix and match product bundles, product bundles customizable, personalised kits & mix and match bundle gift sets. Localise pricing and language with Shopify Markets catalog support. more BYOB Bundle builder with collapsible steps to guide customers through choices. Mix and match bundle with min/max selections, display options & quantity limits. Build a box with fixed price, percentage/amount off, or volume discount pricing. Product bundle inventory is synced across locations settings for 3PL fulfilment Build your own bundle with language translations and Shopify Markets pricing.
Reward shoppers with loyalty points and perks — and capture them with one-tap social login. bitLoyalty is a complete loyalty and rewards program for Shopify. Customers earn points on every order and redeem them for discounts and free shipping — so one-time buyers come back. It starts at sign-in: shoppers join in one tap with Google, Apple or WhatsApp, so you capture first-party customers and grow your list. Keep points, vouchers and customer profiles in one place, and let your AI answer "how many points do I have?" right in your store's live chat. bitLoyalty is a complete loyalty and rewards program for Shopify. Customers earn points on every order and redeem them for discounts and free shipping — so one-time buyers come back. It starts at sign-in: shoppers join in one tap with Google, Apple or WhatsApp, so you capture first-party customers and grow your list. Keep points, vouchers and customer profiles in one place, and let your AI answer "how many points do I have?" right in your store's live chat. more Enable 10+ social logins: Google, Instagram, WA, FB, Apple & more in one click WhatsApp OTP for secure sign‑in Boost conversions with engaging sign-up and voucher pop-ups Earn loyalty points automatically on every order Ask your points in live chat — your AI answers on the spot
Blockify Age verification popup: Age check, Age verify, Terms & Conditions, Ensure Legal Compliance Blockify - Age Verifier: Safeguard your Shopify store and maintain legal compliance & privacy with our fully customizable 18+, 21+ age verification popup - no coding required! Effortlessly set up age verification using the birth date option. Limit age or set age restrictions on accessing your store and age checkout. With our age verification app, you can swiftly create a secure age checker and compliant website in just a few clicks. Protect your store with an Terms and Conditions Checkbox. Blockify - Age Verifier: Safeguard your Shopify store and maintain legal compliance & privacy with our fully customizable 18+, 21+ age verification popup - no coding required! Effortlessly set up age verification using the birth date option. Limit age or set age restrictions on accessing your store and age checkout. With our age verification app, you can swiftly create a secure age checker and compliant website in just a few clicks. Protect your store with an Terms and Conditions Checkbox. more Age verifier: Ensure legal compliance with the Age Verification Popup Set a minimum age requirement with Date of Birth verification Choose from age popup templates or customize them to match your store branding Restriction age popup looks good on different screen resolutions Terms & Conditions for terms of service, privacy policy, policies and contracts.
Intelligent search and merchandising that drives immediate ROI and RPV. Bloomreach Discovery offers AI-Driven product discovery focused on ROI. It leverages Loomi, our industry leading AI for ecommerce, to further drive product discovery. The Bloomreach Discovery x Shopify connector significantly simplifies your implementation to make sure pixel data from your storefront is fed appropriately into Bloomreach Discovery. Build your storefront quicker with a templated search UI and components for search results pages, facets and autosuggest. Bloomreach Discovery offers AI-Driven product discovery focused on ROI. It leverages Loomi, our industry leading AI for ecommerce, to further drive product discovery. The Bloomreach Discovery x Shopify connector significantly simplifies your implementation to make sure pixel data from your storefront is fed appropriately into Bloomreach Discovery. Build your storefront quicker with a templated search UI and components for search results pages, facets and autosuggest. more Autosuggest guides your site visitors and maximizes relevance of search results Search & category pages make it easy for shoppers to navigate your products. Bloomreach Recommendations displays recommended products powered by our Loomi AI
Loomi AI: Commerce Everywhere, Personalization Anywhere Loomi AI is a native integration built by Bloomreach for Shopify merchants who want to drive more revenue with intelligent personalization across every touch point. By unifying your Shopify commerce data, real-time behavioral signals, cross-channel shopper engagement, and product data, Loomi AI for Shopify builds a complete picture of every shopper — and instantly activates that intelligence to deliver personalized experiences wherever people shop. Loomi AI is a native integration built by Bloomreach for Shopify merchants who want to drive more revenue with intelligent personalization across every touch point. By unifying your Shopify commerce data, real-time behavioral signals, cross-channel shopper engagement, and product data, Loomi AI for Shopify builds a complete picture of every shopper — and instantly activates that intelligence to deliver personalized experiences wherever people shop. more One integration — Activate personalization across email, search, ads, and more Real-time intelligence— Loomi AI acts on customer data to reflect what they want Personalization for all— Deliver unique experiences, even for anonymous visitors No added complexity — Add channels and markets without rebuilding your stack Global scalability — Grow into new regions and catalogs seamlessly
Increase AOV with free shipping bars, multi-tier progress bar, discount goals, and cart upsells BlueCart adds a free shipping bar, discount milestones, and tiered rewards to your cart drawer using a progress bar and goal checklist. Customers see how close they are to free shipping, a discount, or a free gift, motivating them to add more items and increase their order value. Show product upsell recommendations directly in the cart drawer. Target specific audiences with display conditions based on market, customer tags, or UTM parameters. Auto-convert currencies for international buyers. BlueCart adds a free shipping bar, discount milestones, and tiered rewards to your cart drawer using a progress bar and goal checklist. Customers see how close they are to free shipping, a discount, or a free gift, motivating them to add more items and increase their order value. Show product upsell recommendations directly in the cart drawer. Target specific audiences with display conditions based on market, customer tags, or UTM parameters. Auto-convert currencies for international buyers. more Add cart upsell & shipping progress bar anywhere using app block & shortcode Target offers by market, customer tag, UTM source, cart value, or currency Set buyer-market shipping goals with automatic currency conversion Recommend one-click upsell products in the cart drawer Floating cart button so buyers can track reward progress from any page
Break BFCM sales record with BOGO, buy x get y, free gift, bundles, discounts, and checkout upsell An easy-to-use app for creating BOGO, free gifts with purchase, bundles, discounts, and upsells. Over 12 years, 95K+ brands have trusted BOGOS to run offers seamlessly at scale, get more orders, and elevate shopping experience. All widgets are fully customizable and built to convert. BOGOS supports POS, Headless API, auto-sync inventory, targeting, translation, and subscription. Prompt human chat, technical support are always available, backed by helpful video tutorials & AI assistant. An easy-to-use app for creating BOGO, free gifts with purchase, bundles, discounts, and upsells. Over 12 years, 95K+ brands have trusted BOGOS to run offers seamlessly at scale, get more orders, and elevate shopping experience. All widgets are fully customizable and built to convert. BOGOS supports POS, Headless API, auto-sync inventory, targeting, translation, and subscription. Prompt human chat, technical support are always available, backed by helpful video tutorials & AI assistant. more Responsive progress bar, announcement bar, today offer widget, and offer page Auto-add to cart or show a free gift popup for buy one get one, BXGY, and GWP Create product bundles, bundle builder (build a box), and mix and match bundles Set up volume discounts, tiered discounts, cart discount, discount on cheapest Checkout upsell using discount code, frequently bought together & thank you page
AI upsells at every touchpoint. More revenue per order, every order. Most upsell tools cover one or two touch-points. Bold Upsell covers all of them: product pages, cart, checkout, post-purchase, and email, with AI-powered offers that get smarter with every transaction. Use Smart AI to surface the highest-converting offers automatically, or build your own funnels with manual controls. Chain offers so every accept triggers the next opportunity. True upsells, cross-sells, order bumps, Buy X Get Y, and subscribe-to-save, at every stage. Flat Rate Monthly pricing. Most upsell tools cover one or two touch-points. Bold Upsell covers all of them: product pages, cart, checkout, post-purchase, and email, with AI-powered offers that get smarter with every transaction. Use Smart AI to surface the highest-converting offers automatically, or build your own funnels with manual controls. Chain offers so every accept triggers the next opportunity. True upsells, cross-sells, order bumps, Buy X Get Y, and subscribe-to-save, at every stage. Flat Rate Monthly pricing. more AI-powered offers that get smarter with every order or build manual funnels More ways to style: pop-ups, embedded offers, list and carousel layouts Post Purchase Funnels and Free Gifts that auto-add on conditions Turn one-time buyers into subscribers with Subscriptions app integrations Track revenue, AOV lift, conversions, and funnel performance in one dashboard
Compliant 14-day withdrawal widget for EU stores. 24 languages, audit trail, automated emails. Every EU customer has 14 days to withdraw an online order under Directive 2011/83/EU. BOO replaces inbox back-and-forth with a multi-language storefront widget and one dashboard for your team. Auto-confirm receipt by email in 24 EU languages. Track every request through Received, Processing, Completed and Rejected. The 14-day clock starts from the last delivered package — handled for you. GDPR-aware: data is removed via Shopify redact webhooks. Every EU customer has 14 days to withdraw an online order under Directive 2011/83/EU. BOO replaces inbox back-and-forth with a multi-language storefront widget and one dashboard for your team. Auto-confirm receipt by email in 24 EU languages. Track every request through Received, Processing, Completed and Rejected. The 14-day clock starts from the last delivered package — handled for you. GDPR-aware: data is removed via Shopify redact webhooks. more 14-day deadline auto-calculated from the last delivered package (Article 9(2)) Storefront widget in 24 EU languages, auto-detected from customer locale Status pipeline: Received, Processing, Completed, Rejected — bulk update Dashboard CSV export and per-request PD track and manage all withdrawal requests GDPR-aware: customer data removed via Shopify redact webhooks
One booking app for 100+ servicing models: Appointments| Rentals| Events| Concerts| One day booking| Introducing all-in-one booking app, Designed to serve 100+ servicing models. Effortlessly manage appointments, events, one day booking, concerts, rentals- whether by the hour or day-wise. Advanced features like QR code generator, Google Meet, calendar integration, Booking without checkout, security deposits, single/multi-user or multi-day options, in-person booking, & staff management. Different booking layouts to choose from. Launch with-in 1 hour. No technical expertise needed. Introducing all-in-one booking app, Designed to serve 100+ servicing models. Effortlessly manage appointments, events, one day booking, concerts, rentals- whether by the hour or day-wise. Advanced features like QR code generator, Google Meet, calendar integration, Booking without checkout, security deposits, single/multi-user or multi-day options, in-person booking, & staff management. Different booking layouts to choose from. Launch with-in 1 hour. No technical expertise needed. more Interface to Add Booking Feature to the Products| Automate Google Meet links| Offer service to customers as Doctors|Dance classes|Tuition's|Consultations| etc Manage Booking i operations l.e. Approve,Reschedule,Cancel the Customer Booking. Easily blackout certain dates from the booking period. Admin can add Custom Fields and Custom Information with the Product on Booking.
Scheduler & calendar widget for reservations, workshops, event booking, classes, rentals & ticketing BookX is a no-code online booking system like Eventbrite. Manage appointment booking for doctor clinic consultation, spa, salon, studio, boutique, pet grooming, restaurant or webinar. Scale with rental booking, hotel booking, event ticketing & bundle booking with capacity limits. Enable payment less appointment for sport, court, venue, course & restaurant booking. Set unique schedules, blockout holidays, send reminders, rent & book with ease. Perfect for any service-based business. BookX is a no-code online booking system like Eventbrite. Manage appointment booking for doctor clinic consultation, spa, salon, studio, boutique, pet grooming, restaurant or webinar. Scale with rental booking, hotel booking, event ticketing & bundle booking with capacity limits. Enable payment less appointment for sport, court, venue, course & restaurant booking. Set unique schedules, blockout holidays, send reminders, rent & book with ease. Perfect for any service-based business. more Create hourly, full-day & multi-day appointment with capacity & booking deadline Manage team members & locations with unique schedules & service booking form Offer payment less appointments & add booking widget on any page without product Sync & integrate services with Google Calendar, Google Meet, Zoom & Klaviyo Customers reschedule & manage bookings via user-friendly self-service dashboard
Run Black Friday as spend more, get more: the cart shows the next discount as shoppers add Boost replaces your cart drawer with one that stays on screen while shoppers browse. A discount bar on every page shows the next reward before anything is added: discounts, free shipping, a free gift, up to four steps you set by quantity or by dollars. Add anything and the bar bounces up into the open cart on the page. One tap subscribes through Recharge or Skio. Set your discounts and end date. The cart applies them at checkout, no codes. Sales Mode ends the sale on your date. No theme edits. Boost replaces your cart drawer with one that stays on screen while shoppers browse. A discount bar on every page shows the next reward before anything is added: discounts, free shipping, a free gift, up to four steps you set by quantity or by dollars. Add anything and the bar bounces up into the open cart on the page. One tap subscribes through Recharge or Skio. Set your discounts and end date. The cart applies them at checkout, no codes. Sales Mode ends the sale on your date. No theme edits. more Discount bar on every page shows the next reward: discount, shipping, free gift Add anything and the bar bounces up into the open cart, no new page Live recommendations read the cart on Shopify's engine, one tap adds Upsells and cross-sells in the cart: the bundle, the bigger size, what pairs One tap switches an eligible product to subscribe-and-save via Recharge or Skio
Boost AOV with BUNDLE, Volume Discount, Gift Boxes , Upsell - Cross Sell and Milestone Rewards! Increase average order value with Boost My Cart, the all-in-one Shopify app for cart optimization and product bundling. Create customizable bundles with logo uploads and gift box options, offer milestone rewards, recommend products through upsells and cross-sells, promote offers with announcement bars, and personalize carts with notes. Manage everything from one easy-to-use dashboard. Increase average order value with Boost My Cart, the all-in-one Shopify app for cart optimization and product bundling. Create customizable bundles with logo uploads and gift box options, offer milestone rewards, recommend products through upsells and cross-sells, promote offers with announcement bars, and personalize carts with notes. Manage everything from one easy-to-use dashboard. more Smart Cart Upsells, Cross-sells & Milestone Rewards Build Custom Bundles with Logo Upload & Gift Box Options Empty Cart Upsells to Recover Lost Sales Promote Offers with Custom Announcement Bars Personalize Shopping with Cart Notes
Increase your AOV with BoostlyCart: A simple simple slide cart drawer with upsells, rewards, & more BoostlyCart slide cart drawer boosts average order value (AOV) with cart upsell, cross-sell discounts and AI product recommendations for frequently bought together. Add volume discounts and quantity breaks in the side cart and on product pages. A reward progress bar unlocks free shipping, free gifts and discounts. Countdown timer, announcement bar, trust badges, discount code box, order notes, shipping rate calculator, express checkout, sticky cart, templates, custom HTML/CSS and multi-language. BoostlyCart slide cart drawer boosts average order value (AOV) with cart upsell, cross-sell discounts and AI product recommendations for frequently bought together. Add volume discounts and quantity breaks in the side cart and on product pages. A reward progress bar unlocks free shipping, free gifts and discounts. Countdown timer, announcement bar, trust badges, discount code box, order notes, shipping rate calculator, express checkout, sticky cart, templates, custom HTML/CSS and multi-language. more In-cart upsell & cross-sell: AI product recommendations and discounted add-ons Reward progress bar: unlock free shipping, free gifts or discounts as carts grow Volume upsell: quantity break offers in the cart drawer and on product pages Countdown timer, announcement bar, trust badges, gift wrap & express checkout Discount code box, order notes, rush process fee & shipping calculator in cart
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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.