Best Size Recommendation Tools with a Free Trial

Compare the Top Size Recommendation Tools with a Free Trial as of April 2026

What are Size Recommendation Tools with a Free Trial?

Size recommendation tools, also known as size advisors, are software tools that help users determine the most suitable size of clothing, footwear, or accessories when shopping online or in-store. These tools use various inputs, such as the customer's measurements, body shape, past purchases, or preferences, to provide accurate sizing recommendations. Many incorporate technologies like AI, machine learning, and data analytics to analyze trends and optimize results. Some advanced systems even allow users to visualize the fit through virtual try-ons or 3D modeling. By reducing uncertainty, these tools enhance customer satisfaction, minimize returns, and boost confidence in online shopping. Compare and read user reviews of the best Size Recommendation tools with a Free Trial currently available using the table below. This list is updated regularly.

  • 1
    Faslet Size Me Up
    Faslet's Size Me Up widget helps your retail customers find the perfect size in just a few easy steps. No measuring tape is required! The size recommendation widget is tailored to your online fashion brand or multi-brand store, both in function and design. Our innovative algorithm ensures your customers will be recommended the right size. The widget itself is easy to integrate and customize, making it the perfect addition to your online retail shop. Faslet provides integrations for several platforms, as well as the ability to integrate our widget into whatever custom platform you have. Is your webshop built in Shopify, Magento, Commerce Cloud, WooCommerce, Shopware, Lightspeed, Shopmaster or BigCommerce? Then you can seamless use our code snippet or plugins. Download this via the App Store of the relevant website, register as a merchant at Faslet and start today!
    Starting Price: $199 per month
  • 2
    SizeBuddy

    SizeBuddy

    SizeBuddy

    The solution for returns. SizeBuddy helps online clothing stores reduce returns and increase conversion by correctly predicting clothing sizes on the basis of what a customer is currently wearing. In lowering your returns, we gather a lot of insightful data about your customers and webshop performance. Our software can be tailored entirely to your webshop and the integration is done within two hours on any platform. With SizeBuddy there is no need for difficult body scanning techniques or asking your customers personal questions about their length, age and weight. We work with objective and non-personal data. Making our software extremely accurate in predicting sizes for any piece of apparel. Do you want to reduce the returns of your webshop drastically in a customer-friendly manner? Feel more than welcome to reach out to us for a free trial of SizeBuddy on your website.
    Starting Price: €25
  • 3
    FitEz

    FitEz

    FitEz

    Struggling with high return rates in your online fashion store? FitEz’s AI-powered sizing solution can help! Reduce returns by up to 30% and boost revenue by improving sizing accuracy and customer satisfaction. FitEz uses advanced machine learning to provide real-time, data-driven size recommendations tailored to individual preferences. With FitEz, customers receive personalized size suggestions based on their unique body measurements, ensuring they find the perfect fit the first time and reducing costly returns. FitEz integrates seamlessly with platforms like Shopify, WooCommerce, Magento, and BigCommerce with no complex setup. By optimizing sizing accuracy, FitEz helps retailers reduce returns, increase conversions, and improve customer satisfaction. Start using FitEz today to enhance sizing precision, reduce returns, and improve the shopping experience! Transform your online fashion business with FitEz—your solution to smarter, more accurate sizing.
    Starting Price: $99/month, volume-based
  • 4
    Kiwi Sizing

    Kiwi Sizing

    Kiwi Sizing

    Kiwi improves your customers’ shopping experience with customizable sizing chart, fit recommender, and more. From layout, images, to content and color, create visually consistent and easy to read size charts for your products. Machine learning based apparel sizing recommendation, with simple measurement input from customers. Size recommender can also be used for any product: from footwear, pet products, to snowboards. Flexible layout and ability to choose relevant information that your customers need. Create beautiful and effective tools that matches your shop’s theme. Kiwi Sizing is designed to manage hundreds of different products sizes. Create consistent sizing tools for all of your products. No need to manually punch in numbers in the calculator. Kiwi Sizing has built-in unit conversion tools to cater to your global audience.
    Starting Price: $7.49 per month
  • 5
    Aimirr

    Aimirr

    Aimirr

    Aimirr is an AI-powered platform designed to enhance the online shopping experience by providing precise body measurements, intelligent size recommendations, and virtual try-on capabilities. Its body scanning technology operates seamlessly across any device without the need for additional applications, generating 3D models with up to 99% accuracy in under 60 seconds. By analyzing individual body measurements against specific product dimensions, Aimirr offers personalized size guides, eliminating the uncertainty associated with online apparel purchases. The virtual fitting room feature allows customers to visualize how garments will appear in real time, utilizing their exact measurements to reduce hesitation and increase satisfaction. Integration with ecommerce platforms is straightforward, enabling retailers to implement these features swiftly, thereby minimizing returns and boosting customer confidence.
    Starting Price: $29 per month
  • 6
    Aistetic

    Aistetic

    Aistetic

    Aistetic's AI-powered Shopify app offers personalized and accurate size recommendations through both quick sizing and complete profile options with scanning. quick sizing requires only the customer's gender, height, weight, and age, delivering accurate sizing in just five seconds. The complete profile option utilizes a highly accurate scan to create a detailed size profile, with 98% measurement accuracy across diverse body types. The app is designed for ease of use, requiring only one scan for repeat purchases and no mandatory sign-up or login for profile creation. Integration is straightforward, with a no-code solution available on the Shopify App Store, enabling merchants to launch in less than 60 seconds. Aistetic's technology leverages over 10 billion data points, assessing more than 700,000 clothing websites, and has provided over 100,000 recommendations to date. The platform is fully GDPR compliant, ensuring data security and privacy.
    Starting Price: $29 per month
  • 7
    Measmerize

    Measmerize

    Measmerize

    Measmerize offers a seamless size recommendation solution for fashion retail brands. Shoppers can easily access the size advisor from any product page in the online store and receive accurate size recommendations covering apparel, footwear and kids. Sizing inaccuracies often lead to costly returns and frustrated customers. Measmerize leverages advanced AI technology to deliver a reliable and accurate size recommendation solution for fashion retail brands. By analyzing a wide range of data points, including body measurements and product specifications, Measmerize ensures that shoppers receive tailored recommendations, resulting in a more enjoyable and efficient shopping experience. Measmerize empowers shoppers to make informed decisions, reducing the risk of returns and enhancing overall customer satisfaction. This innovative approach not only streamlines the shopping process but also drives significant improvements in key metrics such as Conversion Rate and Average Order Value.
  • 8
    SizeSense

    SizeSense

    SizeSense

    SizeSense is an AI-driven size recommendation tool designed to enhance the online shopping experience by providing precise and personalized clothing size suggestions. By aligning customer body measurements with specific product dimensions, it accommodates diverse body shapes and considers factors such as fabric elasticity, clothing design, and individual preferences. The tool gathers essential information through simple questions about bust, waist, and hip measurements, delivering 94% accurate results that reduce sizing uncertainties and boost customer confidence. It offers clear explanations for size recommendations, educating customers on why neighboring sizes might be unsuitable, thereby enhancing trust in the brand. Once customers input their personal information, they receive seamless size recommendations across all product pages, ensuring a smooth shopping experience. The back-office system facilitates effortless product uploads from Shopify stores.
  • 9
    AI Fit Finder

    AI Fit Finder

    AI Fit Finder

    AI Fit Finder is an AI-powered Shopify sizing solution designed for fashion and footwear brands. It provides accurate size recommendations based on shopper inputs such as height, weight, and fit preference. The app reduces return rates, improves size confidence, and increases repeat purchases. It integrates directly into Shopify stores and works across product pages without complex setup.
    Starting Price: $9.99/month
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