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Best free Product variants Shopify apps in 2026 [Updated]

The Best Free Shopify apps for product variants give merchants powerful tools to customize their store's shopping experience. From wholesale bulk ordering and color swatches to 3D product configurators and custom text fields, these apps help manage product options more effectively. Merchants can display multiple variant images, set up size charts, handle location-specific inventory, and create personalized ordering options - all without spending a dime. Whether you need to organize variant displays, hide sold-out options, or add custom fields for personalization, these free solutions deliver essential features to improve product presentation and customer experience.
    • #1. Easy-to-use, simple yet customizable size charts and fit guide to raise sales and reduce returns.

      Free
      Create professional size charts and fit guides quickly with Sized - the simple yet customizable solution for your online store. Help customers find their perfect fit with easy-to-use measurement guides for clothing, shoes, and accessories. Choose from 14 ready-made templates or upload your own product images to build custom size charts that match your store's design. Apply size charts to individual products or entire collections, with the flexibility to exclude specific items. By providing clear sizing information, you'll reduce returns and cart abandonment while improving customer confidence in their purchases. The intuitive chart editor makes setup fast and straightforward, ensuring your shoppers get accurate size guidance every time.
      Install from Shopify App Store
      Sized Size Charts & Size Guide
    • #2. Custom image swatches, buttons & dropdowns for product variants on product & collection pages.

      Free
      Display product variants as customizable image swatches, color buttons, and dropdown menus to make shopping more intuitive. The app lets you show variants on both product and collection pages, helping customers find what they want faster. Adjust swatch sizes, shapes, and colors to match your store's design. Features include hover tooltips, clear out-of-stock indicators, and auto-generated product image swatches. Simple setup process with flexible display options that work seamlessly with your existing theme. Make variant selection clearer and more interactive while maintaining your brand's visual style.
      Install from Shopify App Store
      OPTIS Color Swatch Variants