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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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We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.

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Take booking for events, appointments, services on your calendar. Calendar Appointment Booking App. Setup "Book Now" on any product or service. Convert any product into a bookable service in 3 easy steps, just add the product to the app, assign team members, and then schedule availability. App will add a scheduling button on the product to let customers book appointments. Works like Calendly, to take booking on products. Schedule appointment booking seamlessly, whether in-person or online, with automated Zoom integration. Allow staff members to set up accounts and log in to the dashboard. Setup "Book Now" on any product or service. Convert any product into a bookable service in 3 easy steps, just add the product to the app, assign team members, and then schedule availability. App will add a scheduling button on the product to let customers book appointments. Works like Calendly, to take booking on products. Schedule appointment booking seamlessly, whether in-person or online, with automated Zoom integration. Allow staff members to set up accounts and log in to the dashboard. more Flexible Setup: Calendar Integrations, Custom Questions, Group Events & more Team Member Support: Add your staff as team members for taking multiple booking Add Google/Outlook calendars for 2 way sync. Connect Zoom for online meetings. Appointments cancellation & rescheduling flow without manual intervention. Deposits: Allow Customers to pay a deposit amount while booking the appointment.

5.0(Reviews)

Take bookings, appointments, events & service on your calendar. Booking app for any appointment. Appointo app adds a native scheduling popup on any service/product you sell on Shopify. Start selling services in your store within 2 min without any technical knowledge. Works like Calendly, but integrated into Shopify. You can sell in your physical location or online using automated zoom or google meet links. Ask custom questions to your customers also add multi-day on your site, for tours, hotel, Boat rental, car rental, etc. Booking app, appointment, appointment booking Appointo app adds a native scheduling popup on any service/product you sell on Shopify. Start selling services in your store within 2 min without any technical knowledge. Works like Calendly, but integrated into Shopify. You can sell in your physical location or online using automated zoom or google meet links. Ask custom questions to your customers also add multi-day on your site, for tours, hotel, Boat rental, car rental, etc. Booking app, appointment, appointment booking more Customer Booking Portal through which customers can manage their bookings Sends automated emails and text for reminders, confirmations, rescheduling, etc. Supports group appointments, Google, Outlook calendar and Zoom Integrations. Supports all themes and automatically translates to the store's language. Manage one-time and recurring booking subscriptions including payments

4.9(Reviews)

Appointment booking & calendar app for services, events & classes. Booking app & appointment app. This appointment app transforms any product into a bookable service or event in under 1 min! The Propel booking app adds a scheduling popup to product pages to take appointments & bookings for services, events, courses, reservations & workshops. Similar to Calendly, with a beautiful mobile-first design, Zoom & Google Calendar integration, SMS reminders, deposits, group appointments & more, the Propel appointment booking app will help you sell more bookings, stay organized & reduce no-shows. This appointment app transforms any product into a bookable service or event in under 1 min! The Propel booking app adds a scheduling popup to product pages to take appointments & bookings for services, events, courses, reservations & workshops. Similar to Calendly, with a beautiful mobile-first design, Zoom & Google Calendar integration, SMS reminders, deposits, group appointments & more, the Propel appointment booking app will help you sell more bookings, stay organized & reduce no-shows. more Use group appointments to offer classes, webinars, events & more. Reduce no-shows, ask for reviews and more with SMS and email notifications. Add custom questions to your booking form to gather the info you need. Easily take deposits and partial payments to secure bookings. Zoom integration auto creates meeting URLs. Integrates with Google Calendar.

4.8(Reviews)

Turn products into appointments. Set flexible time slots and manage bookings easily AptBook makes it effortless to accept appointments directly from your Shopify store. Whether you're offering salon services, coaching sessions, medical consultations, or custom fittings—AptBook turns your products into bookable services in just a few clicks. Set flexible time slots, define service durations, add buffer time, block holidays, and manage it all from a clean, powerful dashboard. Customers can view availability, pick a time, and book appointments instantly—no back-and-forth needed. AptBook makes it effortless to accept appointments directly from your Shopify store. Whether you're offering salon services, coaching sessions, medical consultations, or custom fittings—AptBook turns your products into bookable services in just a few clicks. Set flexible time slots, define service durations, add buffer time, block holidays, and manage it all from a clean, powerful dashboard. Customers can view availability, pick a time, and book appointments instantly—no back-and-forth needed. more Offer customers seamless booking from product page to checkout in seconds. Set working hours, breaks, holidays & full control over your availability. Add Zoom URL and Google Meet Link to Connect for online meetings Replace the "add to cart" button for a "book now" button on any product page Booking an Appointment: You schedule the video call by selecting a time slot.

0.0(Reviews)

Inform with clear delivery dates. Answer "When will it arrive?" and elevate trust. Try now! Merchants can enhance the shopping experience with AppRoom Estimated Delivery Day. This app allows stores to display EDD (Estimated Delivery Date) and ETA (Estimated Time of Arrival) on product pages. It provides accurate EOD (End of Day) estimates, setting clear delivery expectations. The result? Fewer customer inquiries and a stronger trust bond between merchant and shopper. Merchants can enhance the shopping experience with AppRoom Estimated Delivery Day. This app allows stores to display EDD (Estimated Delivery Date) and ETA (Estimated Time of Arrival) on product pages. It provides accurate EOD (End of Day) estimates, setting clear delivery expectations. The result? Fewer customer inquiries and a stronger trust bond between merchant and shopper. more One-click setup via Shopify Theme Editor: simple, no coding needed. "Get It By" countdown for urgency: adjust messages and colors. Control timer display: show/hide on specific days and omit weekends/holidays. Clear delivery info reduces support, boosts sales. Boost sales with urgent delivery timers for high-demand products.

4.8(Reviews)

Aroopa Apps: All-in-one Forms, Workflows, CRM & OMS to streamline e-commerce & order management. Aroopa Apps is an all-in-one solution for Forms, Workflows, CRM, OMS, and Campaigns, designed to streamline e-commerce operations. With powerful order management, automation, and customer engagement tools, it helps process orders, track inventory, and run marketing campaigns. Automate tasks, optimize workflows, and enhance customer interactions with seamless integrations. Elevate your e-commerce business with Aroopa Apps today! Aroopa Apps is an all-in-one solution for Forms, Workflows, CRM, OMS, and Campaigns, designed to streamline e-commerce operations. With powerful order management, automation, and customer engagement tools, it helps process orders, track inventory, and run marketing campaigns. Automate tasks, optimize workflows, and enhance customer interactions with seamless integrations. Elevate your e-commerce business with Aroopa Apps today! more Order Management: Automate order approvals, tag customers, and notify instantly. Forms: Build custom forms with an easy drag-and-drop interface. Workflows: Streamline tasks with no-code automation for approvals and processes. CRM Capabilities: Personalize customer interactions with integrated data insight Inventory Management: Sync stock across channels and lock unapproved access.

0.0(Reviews)

Revolutionize Your Store with Askflow’s Product Recommendation Quizzes App Maximize your sales potential with Askflow’s Product Quiz App - the ultimate solution to creating personalized Product Recommendation Quizzes with ease and without any technical skills. Our AI algorithms provide the best recommendations for your customers, giving you continuous insights and data to enhance their user experience. With branching logic, you can deliver tailored content that boosts customer loyalty. Supercharge your Shopify store with Askflow’s AI Shop Assistants. Maximize your sales potential with Askflow’s Product Quiz App - the ultimate solution to creating personalized Product Recommendation Quizzes with ease and without any technical skills. Our AI algorithms provide the best recommendations for your customers, giving you continuous insights and data to enhance their user experience. With branching logic, you can deliver tailored content that boosts customer loyalty. Supercharge your Shopify store with Askflow’s AI Shop Assistants. more Use AI credits to generate your quiz in less than 1 minute Build custom logic for precise product suggestions, no coding needed Pick from 6 ready-to-use designs or create your own Integrate with Klaviyo, Google Analytics, Meta Pixel Publish as a page, embedded & pop-up or widget with CTA.

5.0(Reviews)

Increase your AOV with frequently bought together, volume discount, upsell and post purchase offers Assortion is a one-stop-shop for all your upsell and cross-sell needs. Instead of using 5 different apps with separate integration, analytics, learning curve, impact on loading speed, we offer same functionality with integrated analytics, consistent design across widgets with very easy to use UI. Assortion is a one-stop-shop for all your upsell and cross-sell needs. Instead of using 5 different apps with separate integration, analytics, learning curve, impact on loading speed, we offer same functionality with integrated analytics, consistent design across widgets with very easy to use UI. more Create bundles of frequently bought products and upsell offers Offer product add-ons that can be added to cart alongside a main product Incentivize customers to buy more with quantity breaks / volume discounts Create special post purchase offers after customers place an order Augment your automatic product recommendations with your custom ones

4.9(Reviews)

Grow your revenue through purchase giveaways, surveys, product recommendations, and more. Audience is a no-code marketing platform that helps you expand your brand and customer base. Our advanced data-gathering tools will help you collect customer information, segment new customers, and retarget existing ones to increase revenue. Know your ideal customer and focus on converting those most likely to purchase. Integrate Audience with over 500 third-party services, including Klaviyo, Mailchimp, and Postscript, to supercharge your sales & marketing pipeline. Audience is a no-code marketing platform that helps you expand your brand and customer base. Our advanced data-gathering tools will help you collect customer information, segment new customers, and retarget existing ones to increase revenue. Know your ideal customer and focus on converting those most likely to purchase. Integrate Audience with over 500 third-party services, including Klaviyo, Mailchimp, and Postscript, to supercharge your sales & marketing pipeline. more No-code campaign builder to collect data, engage customers, and grow revenue. Audience management platform to help you discover your ideal customer. Create on-brand surveys, polls, and quizzes to quickly enrich your user profiles

5.0(Reviews)

Automatic ADA & WCAG accessibility compliance tool for unlimited pages. One click install. Avoid costly lawsuits and ensure your website is accessible to everyone with AutoCompliance. AutoCompliance instantly helps you meet ADA and WCAG legal standards without any coding. With just one click, AutoCompliance seamlessly integrates with your Shopify store, offering a range of accessibility features to enhance user experience and meet legal requirements. Avoid costly lawsuits and ensure your website is accessible to everyone with AutoCompliance. AutoCompliance instantly helps you meet ADA and WCAG legal standards without any coding. With just one click, AutoCompliance seamlessly integrates with your Shopify store, offering a range of accessibility features to enhance user experience and meet legal requirements. more Ensures your store is ADA & WCAG compliant, protecting you from lawsuits Installs with just one click, no coding skills required Powerful features including reading guide, text to speech, text sizing, and more

0.0(Reviews)

Create a Google Certified TCF cookie consent banner for CCPA/GDPR compliance & GCM v2 + 24/7 SUPPORT Avada GDPR Cookie Consent is the app to help merchants on Shopify gather and manage consent from your EU customers, ensuring you meet all European Cookie Law standards (GDPR/RGPD). It also supports for US State laws CCPA/CPRA, VCDPA, CPA, CTDPA and UCPA for California, Virginia and Colorado, Connecticut and Utah; Brazil (LGPD), Canada (PIPEDA), Japan (APPI). It is compatible with Shopify Customer Privacy, Google Consent Mode v2, GTM, TCF IAB, Checkout Extensibility, Hydrogen and Online Store 2.0 Avada GDPR Cookie Consent is the app to help merchants on Shopify gather and manage consent from your EU customers, ensuring you meet all European Cookie Law standards (GDPR/RGPD). It also supports for US State laws CCPA/CPRA, VCDPA, CPA, CTDPA and UCPA for California, Virginia and Colorado, Connecticut and Utah; Brazil (LGPD), Canada (PIPEDA), Japan (APPI). It is compatible with Shopify Customer Privacy, Google Consent Mode v2, GTM, TCF IAB, Checkout Extensibility, Hydrogen and Online Store 2.0 more Work with Checkout Extensibility, GCM v2, GTM, GPC, Meta/Tiktok Pixel & Hydrogen Automatically translates cookies consent banner to match your customer language Fully customizable for: Style, Region, Behavior, Content for your cookie banner CCPA/GDPR Privacy Policy Generator and Customer data request Cookie scanner helps identify and show detail about cookies used on your store

5.0(Reviews)

The easiest product options solution – simple to start, powerful to grow! Create unlimited custom options in minutes – no code needed. Let customers preview their custom texts, images, and design inputs live on product images – perfect for POD, gift, and custom products. Use swatches, dropdowns, checkboxes, text fields & more to personalize every shopping journey. Boost sales with add-on pricing, upsells & smart conditional logic. Seamlessly sync with orders, emails & packing slips for easy tracking and fulfillment. Mobile-optimised and backed by real humans 24/7. Create unlimited custom options in minutes – no code needed. Let customers preview their custom texts, images, and design inputs live on product images – perfect for POD, gift, and custom products. Use swatches, dropdowns, checkboxes, text fields & more to personalize every shopping journey. Boost sales with add-on pricing, upsells & smart conditional logic. Seamlessly sync with orders, emails & packing slips for easy tracking and fulfillment. Mobile-optimised and backed by real humans 24/7. more Live previews on product images for custom inputs, images & designs Add multiple option sets per product with unlimited options (30+ option types) Conditional logic, add-on pricing, bundles for upsell & cross-sell support Auto-sync with orders, emails & packing slips - Ez management & fast fulfillment 24/7 Live Support: Our expert team is always ready to help!

4.9(Reviews)

AVP - Age verification popup: Age check, Age verify, Safeguard Store, Ensure Legal Compliance AVP - 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. AVP - 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. 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 Restrict access to all pages or specific pages of your store

4.7(Reviews)

Manage your multiple locations with single Application. Show your dealer's stores on one page. Show your dealer's stores on your website, manage multiple locations with import and export features. Easily customizale for any page of your website. Add map locator to any page or section easily. Auto Detect Location, Advance Store Locator comes with auto detect location feature, by which cutomer can look for store nearby, withour search. Change Map style color, you can easily change color of map. Show your dealer's stores on your website, manage multiple locations with import and export features. Easily customizale for any page of your website. Add map locator to any page or section easily. Auto Detect Location, Advance Store Locator comes with auto detect location feature, by which cutomer can look for store nearby, withour search. Change Map style color, you can easily change color of map. more Unlimited Store Location Most Customized App Auto Detect Location

5.0(Reviews)

Instantly add a "contact us" button and contact page to your shop. Improved Contact Form adds a floating "contact us" button to the corner of each page of your store. Visitor and customers can click it to contact you, and their message will be delivered to your email. Additional widget options to help boost engagement and purchases can be added to your shop in one click, including lead capture forms, promotional banners, coupon popups and social media buttons. Improved Contact Form adds a floating "contact us" button to the corner of each page of your store. Visitor and customers can click it to contact you, and their message will be delivered to your email. Additional widget options to help boost engagement and purchases can be added to your shop in one click, including lead capture forms, promotional banners, coupon popups and social media buttons. more Adds a "contact us" button to the corner of each page of your site. Creates a contact page you can link to from your navigation menus. Additional widgets can be installed with no code changes.

4.6(Reviews)

Cookie-banner management and personalization, compliant with Google Consent Mode v2, GDPR & Law 25 Compliance doesn’t have to hurt performance. Axeptio delivers a premium, immersive consent experience that merges consent and marketing moments with a fully branded consent banner. Keep your Shopify store aligned with GDPR, CCPA, and global regulations, without slowing you down. Launch banners in minutes, optimize with A/B testing and consent walls, and connect with GA4, Matomo, and more. Mobile-ready, SEO-friendly, and trusted by 80,000+ sites. Free for up to 200 visitors/month. Compliance doesn’t have to hurt performance. Axeptio delivers a premium, immersive consent experience that merges consent and marketing moments with a fully branded consent banner. Keep your Shopify store aligned with GDPR, CCPA, and global regulations, without slowing you down. Launch banners in minutes, optimize with A/B testing and consent walls, and connect with GA4, Matomo, and more. Mobile-ready, SEO-friendly, and trusted by 80,000+ sites. Free for up to 200 visitors/month. more Secure compliance with Shopify-ready API integration. Achieve global legal compliance effortlessly. Enhance trust with customizable consent banners. Maximize consent rates with detailed analytics. Cookie scanner reveals all cookies on your store, with auto reports provided.

5.0(Reviews)

Create wholesale catalogs and linesheets that let buyers browse and order quickly online. Create professional wholesale catalogs and linesheets directly from your Shopify store. Choose products or collections, apply customizable templates, and instantly publish a branded digital catalog with an integrated shopping cart. Buyers can browse, add items, and send orders directly to Shopify draft orders. Flexible PDF export, pricing options, and branding tools make it easy to share catalogs with wholesale and retail customers. Create professional wholesale catalogs and linesheets directly from your Shopify store. Choose products or collections, apply customizable templates, and instantly publish a branded digital catalog with an integrated shopping cart. Buyers can browse, add items, and send orders directly to Shopify draft orders. Flexible PDF export, pricing options, and branding tools make it easy to share catalogs with wholesale and retail customers. more Catalog, Online catalogs with an integrated wholesale order form. Linesheet, Linesheet view for fast bulk ordering Orders, Redirect buyer orders to Shopify draft orders.

4.3(Reviews)

Recover lost sales by alerting customers when products are back in stock. Recover lost sales with back in stock email alerts. Let customers sign up to get notified when a particular product or variant is restocked. The app works with almost all Shopify themes and supports product variants. You can customize the “Notify Me” button text, colors, and email templates to match your store's design. Add the button to product or collection pages easily. No coding needed. Quick to install and easy to use. Turn “out of stock” into “back in stock” and recover lost revenue easily Recover lost sales with back in stock email alerts. Let customers sign up to get notified when a particular product or variant is restocked. The app works with almost all Shopify themes and supports product variants. You can customize the “Notify Me” button text, colors, and email templates to match your store's design. Add the button to product or collection pages easily. No coding needed. Quick to install and easy to use. Turn “out of stock” into “back in stock” and recover lost revenue easily more Let customers subscribe & get notified when products are back in stock Send automatic or manual alerts when sold-out products or variants are restocked Edit button text, font color, and background to match your store’s style Sync subscribers to your Shopify customer list for future email marketing Get fast help via live chat or email whenever you need assistance.

4.9(Reviews)

Create stunning banners in minutes. Engage shoppers & boost sales - no coding needed. Show banners that build trust and drive more sales. Present promotions, spotlight new arrivals or events, and announce sales with elegant, mobile-friendly designs. Banner Slider by Kaktus boosts engagement with eye-catching banners that match your brand. Customize layouts, colors, and speed easily - no coding needed. Install in minutes and track clicks and views with built-in analytics. Perfect for keeping shoppers informed and turning visits into purchases. Show banners that build trust and drive more sales. Present promotions, spotlight new arrivals or events, and announce sales with elegant, mobile-friendly designs. Banner Slider by Kaktus boosts engagement with eye-catching banners that match your brand. Customize layouts, colors, and speed easily - no coding needed. Install in minutes and track clicks and views with built-in analytics. Perfect for keeping shoppers informed and turning visits into purchases. more Build image banners, add social media buttons and discounts with ease. Choose pre-made templates or customize layouts to match your style. Embed banners anywhere or show as floating pop-ups to boost visibility. Track clicks & views with built-in analytics tools to optimize your strategy. Mobile-friendly designs match your brand on all devices.

0.0(Reviews)

Grab Attention and Drive Sales with Engaging Announcements Tailored for Your Audience! Enhance your store’s conversion rates with BannerUp by BetterConvert, the ideal solution for displaying announcements, promotions, and special events directly on your store’s banner. Whether it's shipping offers, discount codes, product launches, or countdown timers, BannerUp by BetterConvert helps you capture your customers' attention at the perfect moment. Enhance your store’s conversion rates with BannerUp by BetterConvert, the ideal solution for displaying announcements, promotions, and special events directly on your store’s banner. Whether it's shipping offers, discount codes, product launches, or countdown timers, BannerUp by BetterConvert helps you capture your customers' attention at the perfect moment. more Seamlessly integrates with Shopify themes for a smooth customer experience. Create urgency in your promotions with countdown timers. User-friendly interface for merchants of any skill level—no coding needed. Customizable and responsive announcement bars that match your stores branding.

0.0(Reviews)

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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.