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.
Custom CSS Shopify Apps
Discover the best Custom CSS apps for your Shopify store in 2025. Compare features, pricing, and reviews to find the perfect solution.
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Booking app with scheduler for reservations, workshop, event booking, classes & event ticketing. Multi day booking for rental booking, hotel booking. Different time slot by day with bundle booking. Unique schedules by location & staff. Avoid crowding by setting capacity. Customers can pay later with payment less appointment. Blockout holidays & show number of slots left. Send reminders with meeting scheduler. Calendario for doctor clinic consultation, spa, webinar, salon, studio, boutique, sport, court, pet grooming, venue, course, restaurant booking. Online booking system like eventbrite. Multi day booking for rental booking, hotel booking. Different time slot by day with bundle booking. Unique schedules by location & staff. Avoid crowding by setting capacity. Customers can pay later with payment less appointment. Blockout holidays & show number of slots left. Send reminders with meeting scheduler. Calendario for doctor clinic consultation, spa, webinar, salon, studio, boutique, sport, court, pet grooming, venue, course, restaurant booking. Online booking system like eventbrite. more Create hourly, full-day, multi-day appointment with capacity & booking deadline Manage team members & locations with unique schedules. Booking form. Allow payment-less appointments & booking widget on any page without product Integrate your services with Google Calendar, Google Meet, Zoom & Klaviyo Enable customers to reschedule, manage bookings with user friendly dashboard
Boost AOV with AI Search, custom filter, and tailored cross sell & upsell strategies Boost gives you fast, intuitive AI search to help shoppers find what they love faster. Lift AOV with smart bundles and personalized cross sell & upsell. Keep customers engaged with preorder & back in stock alerts. No coding needed, just easy customization, eye-catching merchandising, and advanced filters that fit your theme. Plus, our team’s here to support you every step of the way. Boost gives you fast, intuitive AI search to help shoppers find what they love faster. Lift AOV with smart bundles and personalized cross sell & upsell. Keep customers engaged with preorder & back in stock alerts. No coding needed, just easy customization, eye-catching merchandising, and advanced filters that fit your theme. Plus, our team’s here to support you every step of the way. more AI-powered Search: Deliver fast, accurate results that match real shopper intent AI-powered Recommendation: Drive cross sell & upsell across home, product, cart. Visual Merchandising: Pin, boost, demote, hide products to spotlight bestseller. Custom product filter w/ Advanced Filter options: tag, metafield, variant, etc. AI Personalization & Bundle: Auto-create bundles tailored to shopper's intent.
Turn carts into sales with milestone rewards, upsells, and a seamless shopping experience! Enhance your Shopify store by turning every cart into an opportunity. With features like milestone rewards, empty cart upselling, customizable announcement bars, and smart cross-selling, you'll drive sales and customer engagement. Provide personalized cart notes to create a memorable shopping experience. Plus, with an easy-to-use admin panel, managing everything is quick and efficient, helping you drive conversions effortlessly. Enhance your Shopify store by turning every cart into an opportunity. With features like milestone rewards, empty cart upselling, customizable announcement bars, and smart cross-selling, you'll drive sales and customer engagement. Provide personalized cart notes to create a memorable shopping experience. Plus, with an easy-to-use admin panel, managing everything is quick and efficient, helping you drive conversions effortlessly. more Upsell using milestone rewards & Cross Sell from your cart Add products to your Empty cart, to upsell and suggest Showcase discounts, freebies and special offers through Announcement Bar Personalize orders using Cart Notes
Add a simple slide cart drawer with upsells, rewards, and more features to increase your AOV. Create a user-friendly slide cart drawer that simplifies checkout for your customers. Our cart drawer showcases upsells, lets customers apply discounts, and estimates shipping rates—all without leaving the page. Boost your average order value (AOV) with features like engaging cart upsells, a progress bar for free shipping, and a sticky add-to-cart button to enhance conversions. Customize the cart’s design to fit your brand & minimize cart abandonment with easy access from anywhere in the store. Create a user-friendly slide cart drawer that simplifies checkout for your customers. Our cart drawer showcases upsells, lets customers apply discounts, and estimates shipping rates—all without leaving the page. Boost your average order value (AOV) with features like engaging cart upsells, a progress bar for free shipping, and a sticky add-to-cart button to enhance conversions. Customize the cart’s design to fit your brand & minimize cart abandonment with easy access from anywhere in the store. more In-cart upselling: Boost your average order value with upsell and volume offers. Announcement bar: Inform customers of updates and promotions right in the cart. Discount box: Easily apply and stack discount codes within the cart drawer. Shipping rate estimator: Allow customers to calculate shipping costs quickly. Trust badge: Enhance customer confidence with visible trust indicators.
Engage visitors with email Pop-Up and promote sales with Announcements and Product Recommendations. All-in-one pop-up and announcement bar platform! With our easy-to-use tools, you can sign up new customers with tempting coupon rewards and keep them coming back with automated usage reminders delivered straight to their inbox. And that's not all - you can also promote your chosen products, run holiday sales, offer free shipping, and so much more. Plus, with 20+ dynamic animations to choose from, you can really make your announcements stand out! Friendly 24/7 support is available! All-in-one pop-up and announcement bar platform! With our easy-to-use tools, you can sign up new customers with tempting coupon rewards and keep them coming back with automated usage reminders delivered straight to their inbox. And that's not all - you can also promote your chosen products, run holiday sales, offer free shipping, and so much more. Plus, with 20+ dynamic animations to choose from, you can really make your announcements stand out! Friendly 24/7 support is available! more Engage new subscribers with an automated discounts sent directly to their inbox! Display product recommendations to encourage sales with chosen products. Announce Free Shipping, urgency Countdown Timer, and Promote your Products. Sign up customers directly to your favorite email providers. Display promotions based on customer country, region, language, and much more.
Supercharge Sales and Increase Order Value with a User-Friendly Cart Upgrade Create a seamless, user-friendly slide cart that complements your website's style and optimizes your Average Order Value (AOV). Our feature-packed cart builder ensures customer satisfaction and simplifies the cart process.Effortlessly maximize revenue with upselling and cross-selling options, and incorporate a sticky cart button to enhance conversions and reduce cart abandonment. Explore the capabilities of Boosty Cart Drawer Cart Upsell, making every cart interaction an opportunity for growth. Create a seamless, user-friendly slide cart that complements your website's style and optimizes your Average Order Value (AOV). Our feature-packed cart builder ensures customer satisfaction and simplifies the cart process.Effortlessly maximize revenue with upselling and cross-selling options, and incorporate a sticky cart button to enhance conversions and reduce cart abandonment. Explore the capabilities of Boosty Cart Drawer Cart Upsell, making every cart interaction an opportunity for growth. more Show Sticky Add to Cart, Slide Cart to desktop or mobile Display Upsell Product Recommendations (Cart Upsell) Create Free Shipping Progressive Bar, Cart Countdown Timer Create an Add-On option for shipping insurance or other products of your choice. Improve the view cart button's visibility with a sticky cart button.
Gift Box & Bundle Builder: Upsell/CRO/AOV/BOGO/Discount/Sales Funnels/Flash & Sales box, tape, card. Box King – Your Ultimate Bundle Building Companion! Drive sales with our feature-rich Bundle Builder! Enhance success by raising AOV with custom bundles. Customize bundles, let customers mix and match for personalized gift boxes. Optimize revenue with well-designed Upsell, CRO, and AOV-boosting funnels, including captivating Flash & Sales boxes that make your store stand out and entice customers. Global success: Box King helps strategically liquidate surplus inventory with pre-created bundles. Box King – Your Ultimate Bundle Building Companion! Drive sales with our feature-rich Bundle Builder! Enhance success by raising AOV with custom bundles. Customize bundles, let customers mix and match for personalized gift boxes. Optimize revenue with well-designed Upsell, CRO, and AOV-boosting funnels, including captivating Flash & Sales boxes that make your store stand out and entice customers. Global success: Box King helps strategically liquidate surplus inventory with pre-created bundles. more Maximize revenue with Upsell, CRO, AOV funnels, and exciting Flash & Sales Boxes Drive purchases with crafted promos, integrating discounts, deals, and freebies No hassle inventory: Bundle sync, from 3PL to Fulfilment, streamlined processes Global success: Box King helps liquidate surplus inventory via pre-built bundles Boost store revenue with Box King—every bundle is a sales opportunity!
Optimize Your Store's Navigation with Custom Breadcrumbs Our app is a crucial asset for merchants aiming to enhance SEO rankings and streamline user experience. Ideal for businesses of any size, our app simplifies intricate hierarchies, ensuring effortless navigation and effective customer engagement. Whether you're a growing e-commerce store or an established business, Breadcrumbs optimizes visibility and provides a user-friendly browsing journey. Streamline your online presence effortlessly for improved customer satisfaction and increased traffic. Our app is a crucial asset for merchants aiming to enhance SEO rankings and streamline user experience. Ideal for businesses of any size, our app simplifies intricate hierarchies, ensuring effortless navigation and effective customer engagement. Whether you're a growing e-commerce store or an established business, Breadcrumbs optimizes visibility and provides a user-friendly browsing journey. Streamline your online presence effortlessly for improved customer satisfaction and increased traffic. more Improve SEO rankings and drive organic traffic. Customize appearance and position effortlessly. Create unique hierarchies for categories and products. Enhances SEO by generating a JSON-LD BreadcrumbList schema
Show breadcrumbs on your product, article, and blog pages. Lightning fast with a one-click setup. Drag and place breadcrumbs across store - catalogs, products, blogs, collections. Enhances SEO with structured data for search engines. Improves navigation with clear trails - reducing bounces & make users stick around. Customize with tracked visitor paths for tailored shopping journeys based on behavior. Intuitive setup or custom CSV. Mobile-responsive design ensures optimal experience. Need more? Chat support for custom requirements. Covers rich schema to usability increasing sales. Drag and place breadcrumbs across store - catalogs, products, blogs, collections. Enhances SEO with structured data for search engines. Improves navigation with clear trails - reducing bounces & make users stick around. Customize with tracked visitor paths for tailored shopping journeys based on behavior. Intuitive setup or custom CSV. Mobile-responsive design ensures optimal experience. Need more? Chat support for custom requirements. Covers rich schema to usability increasing sales. more Lightning-Fast Performance: Parallel tech ensures zero impact on speed. Enhanced User Retention: Easy navigation boosts satisfaction. Robust Helpdesk: Fast support integrated into your store. Unlimited Navigation: Customize levels via CSV file. Landing Page Compatibility: Works with GemPages, PageFly.
Calendar & appointment booking app for rentals, tours, tickets, events, services, classes and more. Calendly for Shopify: Turn anything into a bookable service and start selling within minutes—no tech knowledge required. BookThatApp booking app lets you add custom questions to booking forms, send email or SMS reminders, and schedule bookings with Google Calendar, Outlook, iCal, Zoom, and more. Whether you're a tour provider, hotel, event organizer, class instructor (yoga, music, etc.), or rental business (dress rentals, boat rentals), BookThatApp manages all your appointment scheduling needs. Calendly for Shopify: Turn anything into a bookable service and start selling within minutes—no tech knowledge required. BookThatApp booking app lets you add custom questions to booking forms, send email or SMS reminders, and schedule bookings with Google Calendar, Outlook, iCal, Zoom, and more. Whether you're a tour provider, hotel, event organizer, class instructor (yoga, music, etc.), or rental business (dress rentals, boat rentals), BookThatApp manages all your appointment scheduling needs. more Sends automated emails and text for reminders, confirmations, rescheduling, etc. Powerful scheduling capabilities across services, employees and locations Seamless integration with external calendars, Reserve with Google and other apps Group booking: you can allow multiple customers to book the same timeslot. Manage one-time and recurring booking subscriptions including payments & waivers
Beautiful drop down menu in minutes. Navigate easily through Products, Collections & Pages This is not any drop down menu app. You can easily create an advanced mega menu in minutes. Also, we made the menus look really good using the latest design trends. This menu will improve the look of your store. Your customers can add to cart their favourite products & navigate through your categories straight from the menu. This is not any drop down menu app. You can easily create an advanced mega menu in minutes. Also, we made the menus look really good using the latest design trends. This menu will improve the look of your store. Your customers can add to cart their favourite products & navigate through your categories straight from the menu. more 4 submenu designs: Tree, Simple, Tabbed, Contact Simple menu items or lists linked to any product, collection, page of your store Image on Collections, Products, Blogs, Pages, Custom, Banner Countdown timer, labels, badges, icons, videos to showcase your promotions Multi-language: translate the menu in any language of your shop with 1 click
Bullseye’s Store Locator App is a sophisticated store, product, and dealer locator app. Bullseye’s Shopify Store Locator App can be added to your Shopify store in minutes without the help of a developer. Our HTML5, responsive interface is designed to serve up the optimal search interface regardless of the user’s device, location, or language (nearly 60 languages are supported). Bullseye Store Locator makes it easy for your customers to quickly find the locations nearby that carry your products or provide your services. Bullseye’s Shopify Store Locator App can be added to your Shopify store in minutes without the help of a developer. Our HTML5, responsive interface is designed to serve up the optimal search interface regardless of the user’s device, location, or language (nearly 60 languages are supported). Bullseye Store Locator makes it easy for your customers to quickly find the locations nearby that carry your products or provide your services. more Responsive mobile-friendly and SEO optimized locators, city, and local pages Fully customizable locator design ussing onboard tools, CSS, or Javascript Comprehensive backend for managing locations, including hours and more Robust and customizeable lead collection and management Full suite of reprting & analytics, as well as integration with Goole Analytics
Create high-converting bundle offers and boost sales with quantity breaks and volume discounts! Increase your sales with our Bundler app! Easily create and manage bundle offers to boost revenue and attract more customers. Offer custom product bundles, apply discounts, and increase average order value effortlessly. Perfect for Shopify stores looking to enhance their product mix and drive more sales. Start optimizing your Shopify bundles strategy today and watch your profits grow! Increase your sales with our Bundler app! Easily create and manage bundle offers to boost revenue and attract more customers. Offer custom product bundles, apply discounts, and increase average order value effortlessly. Perfect for Shopify stores looking to enhance their product mix and drive more sales. Start optimizing your Shopify bundles strategy today and watch your profits grow! more Create & upsell bundles, discounts & quantity breaks in your shop! Set up classic bundles, Mix & Match bundles, quantity breaks, tiered discounts. Choose bundle discount type: percentage discount, fixed amount, fixed price etc. Increase conversions with bundle landing pages, shortcodes and cross sell offers Seamlessly integrate bundles with subscription products for recurring revenue
Busy Meter - Perfect for Makers, Creators & Custom Shops When you handcraft or make-to-order, customers often ask: “When will it be ready?” Busy Meter shows your current workload and processing time directly on your store, so buyers know what to expect before they order. Reduce support questions, stay transparent, and build customer trust - while encouraging shoppers to order sooner if you’re getting busy. When you handcraft or make-to-order, customers often ask: “When will it be ready?” Busy Meter shows your current workload and processing time directly on your store, so buyers know what to expect before they order. Reduce support questions, stay transparent, and build customer trust - while encouraging shoppers to order sooner if you’re getting busy. more Show real-time store activity with a busy meter Display estimated order processing times Customize text, colors, and fonts to match your brand Quick setup with no coding required Works perfectly on desktop and mobile
Increase revenue, conversion & sales by displaying sticky add to cart bar, quick buy, sticky cart. Introducing Sticky Buy Me - Buy Button bar/Sticky Add To Cart Bar: A user-friendly bar that improves your shopping experience by reducing cart abandonment and making checkout effortless. Easily add products with sticky add to cart buttons & quick buttons, enjoy attention-grabbing animations. Plus, it offers a sticky cart, remember my cart, and more features. It automatically adapts to your store's branding and offers seasonal themes for a delightful shopping journey. Introducing Sticky Buy Me - Buy Button bar/Sticky Add To Cart Bar: A user-friendly bar that improves your shopping experience by reducing cart abandonment and making checkout effortless. Easily add products with sticky add to cart buttons & quick buttons, enjoy attention-grabbing animations. Plus, it offers a sticky cart, remember my cart, and more features. It automatically adapts to your store's branding and offers seasonal themes for a delightful shopping journey. more Halloween's Day Countdown: Create urgency with a timer to boost sales Sticky Add To Cart + Countdown: Always visible with urgency boosting timer Introducing Sticky Cart: Simplify Checkout with an Always Visible Floating cart Quick Buy Button: Streamlining Purchases Directly from Homepage and Collections Remember My Cart: Seamlessly Access Your Cart Across Multiple Devices
If you need an easy way to automate multiple on-site content updates, then look no further! Tired of making updates in the middle of the night during your already hectic site sales events? If you need an easy way to automate on-site updates for your banners, site alerts, products, pages, grid sections and blog then look no further! There is finally an app that allows you to both create and schedule limitless site events, letting you rest while our automation engine does the work for you! This app is simple to install, easy to use, completely customizable & no coding skills required! Tired of making updates in the middle of the night during your already hectic site sales events? If you need an easy way to automate on-site updates for your banners, site alerts, products, pages, grid sections and blog then look no further! There is finally an app that allows you to both create and schedule limitless site events, letting you rest while our automation engine does the work for you! This app is simple to install, easy to use, completely customizable & no coding skills required! more Easily combine many various content updates into a single "Event" schedule Create & schedule unlimited "Events" to effortlessly maximize your sales efforts Content updates include Banners, Announcements, Products, Pages and MUCH MORE Create unlimited sections and place them anywhere on the site with Snippets Automation engine publishes your content updates exactly at the day/time you set
Let customers build their own bundles on a single page. Boost AOV. Sync with inventory. Build a Box BYOB - Build Your Own Bundles: Boost AOV with an easy bundle builder! Set up custom bundles for customers to mix and match on a standalone page. Powered by our product template - customizable in the theme editor, no coding needed. Not a bespoke design tool, just fast, effective bundling. Try it on our demo store! Contact us for a quick & free chat. P.S. Requires app block installation in the theme editor. Get ready for BFCM 2025: Build holiday bundles and increase AOV fast! BYOB - Build Your Own Bundles: Boost AOV with an easy bundle builder! Set up custom bundles for customers to mix and match on a standalone page. Powered by our product template - customizable in the theme editor, no coding needed. Not a bespoke design tool, just fast, effective bundling. Try it on our demo store! Contact us for a quick & free chat. P.S. Requires app block installation in the theme editor. Get ready for BFCM 2025: Build holiday bundles and increase AOV fast! more Boost AOV with fixed price discounts, tiered discounts, BXGY, multi-conditions Bundle exists as a product. Assign it to collections, top menu, or the home page Support the latest cart transformation to sync with your inventory Easily customize template in the theme editor. Fully support online store 2.0 Working for clients? Add custom CSS & js callback on your own
One-Stop Bundles – Build a Box, Build Your Own Box, BYOB, Gift Box Builder, Easy Bundle & much more Qe BYOB is a flexible Bundle and Gift Box Builder that lets your customers Build Your Own Box (BYOB) with ease. Offer Fixed Price, Mix-and-Match, and Discounted bundles with no coding. The app fits easily into your store’s design and supports auto/manual inventory management. Use real-time analytics to track conversions and bundle performance. Perfect for gifting, apparel, food, skincare, and more. Gain up to 4x more revenue with smarter bundling. Don’t miss out; launch your first bundle today. Qe BYOB is a flexible Bundle and Gift Box Builder that lets your customers Build Your Own Box (BYOB) with ease. Offer Fixed Price, Mix-and-Match, and Discounted bundles with no coding. The app fits easily into your store’s design and supports auto/manual inventory management. Use real-time analytics to track conversions and bundle performance. Perfect for gifting, apparel, food, skincare, and more. Gain up to 4x more revenue with smarter bundling. Don’t miss out; launch your first bundle today. more Build Your Own Box with Personalized gifts, custom text, images, or file uploads Let users record & send audio or video gift messages Supports multi-language and multi-currency for global e-commerce stores Build a Box with tiered discount support for higher-value purchase Users can create multiple boxes in one single session
Sell more by showcasing amazing lookbook and shoppable image with gallery and carousel upsell bundle Shoppers expect a seamless shopping experience. Upsell to your customers through curated lookbook carousel,image hotspots and image gallery offers. Showcase exact lookbook from product page or offer complementary products a la complete the look style. Shop the Look offers on-brand, shoppable image hotspot that boost sales through customized, recommended product upsell bundles across collections, cart page and product page. Optimised for mobile & no code is required! Shoppers expect a seamless shopping experience. Upsell to your customers through curated lookbook carousel,image hotspots and image gallery offers. Showcase exact lookbook from product page or offer complementary products a la complete the look style. Shop the Look offers on-brand, shoppable image hotspot that boost sales through customized, recommended product upsell bundles across collections, cart page and product page. Optimised for mobile & no code is required! more Build multiple lookbook & product page bundles that match your brand guidelines Lookbook format and shoppable images gallery with design that boost your sales In one click add get the look to cart from carousel and product page gallery Grow AOV by product page discount & lookbook shoppable image hotspot and gallery Premium 24/7 support: Pixel perfect shop the look and product page carousel
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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.