Best alternatives for Fit Quiz: Size recommendation Shopify app in 2026 [Updated]
PickYourApp Review Team
6 min read
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Nov 15, 2025
Help customers make informed purchase decisions with essential product comparison tools for your Shopify store. From detailed size charts and measurement guides that reduce returns to AI-powered fit recommendations and side-by-side product comparison tables, these apps let shoppers easily evaluate features, specifications, and sizing across multiple items. Whether you sell clothing, skincare, or general merchandise, these comparison solutions help drive conversions by giving customers the confidence to choose the right products.
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#1. One click upsells for related products and accessories
Increase your sales with simple one-click product accessories and upsells. This app makes it easy for customers to discover and add related items to their cart with just a single click. Whether you're selling electronics with matching batteries and cables, or clothing with coordinating pieces, your customers can quickly find everything they need. The app lets you manage accessories through API integration, assign them by individual products or entire collections, and track their performance through detailed reports. Help your customers find the perfect add-ons while making shopping more convenient and increasing your average order value.Install from Shopify App Store
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#2. Reduce returns & boost conversions with customizable size charts & smart size recommendations
Sizing issues lead to lost sales and high return rates. When customers are unsure about their size, they often abandon their cart or order the wrong fit. This app solves the problem with customizable size charts, smart size recommendations, and auto unit conversion. Choose from 23+ ready templates to create professional size charts in minutes without coding. Customize colors, fonts, layouts, and add media to match your store's design. The size recommendation feature provides personalized fit suggestions that help reduce returns and build customer confidence. Set up is fast with bulk import and automatic unit conversion for global sizing standards. Assign size charts flexibly across all products or organize them by vendor, tag, product type, or collection. Size chart reminders ensure shoppers see the information they need before checkout. Clear sizing guidance strengthens customer trust and increases conversions while minimizing returns.Install from Shopify App Store
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#3. Quickly add specification table to 100,000 products or more from Product Attributes & Metafields
Create professional specification tables for your Shopify products using product attributes and metafields. This app lets you map metafields and metaobjects to display important product information in clear, organized tables that update automatically when variants change. Show specification tables selectively based on product groups, tags, or types. The multi-column table feature helps you present sizing details, volume discounts, and shipping information effectively. Add helpful tooltips to provide extra context for customers. Choose from flexible display options including grid view, split view, and expandable/collapsible tables to match your store's style. By presenting product specifications clearly, you can reduce customer questions while giving shoppers all the details they need to make informed purchase decisions. The app handles large catalogs efficiently, supporting specification tables for 100,000+ products.Install from Shopify App Store
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#4. Help customers to compare product & buy the best product from available similar items on your store.
Make shopping decisions easier with this product comparison tool that lets customers view and analyze similar items side by side. Perfect for stores with multiple product variations, models, or styles that need clear differentiation. The compare feature displays products in an organized table format that you can customize and reorder through simple drag-and-drop controls. The app works automatically without coding and includes color customization options, metafield support, and variant comparison capabilities. Customers can quickly spot differences between products, hide similarities, and view detailed feature comparisons. The comparison chart appears directly on product pages, helping shoppers make informed purchase decisions. Compatible with product filter apps and language translation tools, this comparison solution delivers a smooth shopping experience while helping reduce customer confusion when choosing between similar items.Install from Shopify App Store
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#5. Convert your site visitors into loyal customers with WAIR's AI-driven size recommendations.
WAIR's AI-powered size recommendation system helps online shoppers find their perfect fit, leading to higher conversion rates compared to traditional size charts. The technology significantly reduces size-related returns and exchanges, saving both time and money. Through the analytics dashboard, track sizing performance and collect valuable customer data including height, weight, age, and body shape. This detailed shopper information provides essential context for understanding customer reviews and return patterns. WAIR's smart sizing solution eliminates confusion for customers while giving retailers deep insights into their customers' fit preferences and shopping behaviors.Install from Shopify App Store
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#6. Custom-fit your sales with dynamic, easy-to-edit and personalized size charts.
Looking to reduce returns and help customers find their perfect fit? Retailed Size Chart & Guide creates custom size charts for your Shopify store without any coding needed. Whether you sell clothing, shoes, or accessories, our easy-to-use size guides make shopping simpler for your customers. Create detailed size charts using drag-and-drop tools, add images, videos, and tables, and edit everything directly in your theme editor. All your size data is securely stored using Shopify's metaobjects and metafields. With clear size guidance and conversion tools, you can help shoppers make confident purchase decisions and minimize size-related returns.Install from Shopify App Store
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#7. Save your customer's time to compare product and make them buy the product faster
Compare products easily with LDT Product Compare, a user-friendly tool that helps customers make faster buying decisions. The app automatically sets up product comparison features without coding required. Customers can compare products side by side, including variants and custom fields, while the responsive design works smoothly on all devices. Customize colors and UI to match your store's look, organize attributes in groups, and highlight product differences. With support for translations and metafields, this comparison tool makes it simple for shoppers to understand product differences and choose the right item. The clear layout and easy filtering options create a better shopping experience that helps turn browsers into buyers.Install from Shopify App Store
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#8. Help customers choose faster to buy more with specification and comparison tables.
Make better product decisions with clear specification tables and side-by-side product comparisons. The app lets you create detailed product specs and comparison tables that show differences instantly. Use your existing product data from metafields or metaobjects, or add custom attributes manually - there's no limit to what you can include. The tables work perfectly on mobile devices and load quickly without slowing down your store. For Pro users, get AI-powered recommendations to help customers choose. Built specifically for Online Store 2.0, the app includes native Shopify translations and customizable table designs that match your store's look. Show product details where they matter most - right on your collection and product pages.Install from Shopify App Store
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#9. Create professional size charts, boosting customer confidence and reducing returns for your store
Create professional size charts that help customers choose the right fit for all types of clothing. Pify Size Charts displays detailed measurements with visual guides for men's, women's, and children's apparel - from tops and bottoms to shoes. The app includes pre-built templates and real-time size information that appears when customers hover over size options. With automatic unit conversion between metric and imperial measurements, your customers can easily understand sizing details. The mobile-friendly, SEO-optimized charts integrate seamlessly into your store without coding. By providing clear size information, you'll reduce returns and help shoppers make confident purchase decisions.Install from Shopify App Store
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#10. Maximize Real-Time Sales with the Easy-to-Use Amazon 'Buy Now' Button
Connect your Shopify store to Amazon marketplace with a simple 'Buy Now' button integration. This app helps improve your Amazon organic ranking while increasing sales across both platforms. Customers can view Amazon product listings and reviews directly on your Shopify store, making informed purchase decisions. The app supports multiple marketplace connections including Amazon Prime, eBay, and Walmart, letting you manage various affiliate accounts. Keep your customers focused on your offerings by preventing them from seeing competitor products on Amazon. Create a seamless shopping experience that benefits both your store and Amazon presence.Install from Shopify App Store