Best Free Size Recommendation Tools of 2025

Assist your customers in discovering the perfect fit for their clothing and footwear. Enhance the user experience of your online store while increasing customer satisfaction. By simply answering a few straightforward questions, shoppers can avoid the hassle of providing measurements or body scans. This solution is specifically tailored for clothing and shoes, offering a unique fit for each individual SKU. With personalized size and fit suggestions, customers will feel more assured in their purchases. This leads to reduced cart abandonment rates, an increase in sales conversions, and fewer returns related to sizing issues. There is no need for body measurements; unlike traditional size charts, our app determines the ideal size based on previous orders, returns, and individual shopper preferences. You have the flexibility to fully customize the Fit Quiz to match your brand's identity. Provide your customers with precise size recommendations without the need for measurements or size charts! The data from eCommerce visitors now caters to customer requirements, enabling brands to better comprehend shopper preferences. Additionally, fashion designers can leverage this data-driven insight to enhance their product development processes. Ultimately, this approach not only benefits customers but also strengthens the connection between brands and their audience, fostering loyalty and trust.

We understand that handling online merchandise returns poses a significant challenge for your retail business. MySizeID provides an all-encompassing 360° solution that supports retailers throughout the entire process. Equip your customers with a straightforward and efficient tool that allows them to generate their size ID effortlessly and discover their ideal fit. When customers are confident they have chosen the right size from your store, they will eagerly anticipate each delivery and appreciate every purchase, ultimately fostering brand loyalty. A perfect fit means a decrease in returns and an increase in sales, encouraging customers to buy more. Enhance your customer database to gain insights about your clients and manage your inventory effectively based on relevant items. The MySizeID Widget seamlessly integrates into your store's product pages, offering personalized size recommendations to shoppers, thereby simplifying their online shopping journey while boosting sales and minimizing return expenses. Furthermore, MySize stands out as one of the few sizing solutions that provides SDK integration, ensuring that your specific needs are met. This comprehensive approach not only streamlines the shopping experience but also strengthens the relationship between your brand and its customers.

Kiwi enhances the shopping experience for your customers by offering a customizable sizing chart, a fit recommendation tool, and various additional features. You can design size charts that are visually appealing and easy to understand, adjusting everything from layout and images to content and color for consistency across your products. Leveraging machine learning, the apparel sizing recommendation system provides accurate suggestions based on simple measurements entered by customers. This size recommender is versatile and can be applied to a wide range of products, including footwear, pet supplies, and even snowboards. With a flexible layout, you can select the specific information that is most pertinent to your customers' needs. Additionally, Kiwi Sizing allows you to create visually stunning and effective tools that align seamlessly with your shop’s aesthetic. It is specifically designed to handle the complexities of managing hundreds of different product sizes while ensuring that you maintain uniformity in sizing tools across your offerings. Gone are the days of manually entering numbers into a calculator, as Kiwi Sizing includes integrated unit conversion features to serve your international clientele effectively. This comprehensive approach not only streamlines the sizing process but also significantly enhances customer satisfaction and engagement.

WANNA's Virtual Try-On technology revolutionizes the online shopping experience by allowing customers to use augmented reality to virtually try on products, effectively simulating an in-store atmosphere. This engaging feature empowers users to mix and match items with various outfits, thereby enhancing their satisfaction and increasing their confidence in making purchases. The platform accommodates a wide range of product categories, such as footwear, bags, watches, jewelry, clothing, scarves, home goods, premium spirits, and perfumes. With a straightforward web implementation that can be completed in just one day, there’s no need for additional apps to utilize this feature. Brands can take advantage of the 3D assets developed, utilizing them across different channels to maximize their return on investment. WANNA's solutions are grounded in extensive user experience research and insights from luxury shoppers, creating a holistic ecosystem that replicates the feel of in-store shopping closely. By leveraging this technology, brands can also engage shoppers who have visited their physical stores but hesitated to finalize a purchase, rekindling their interest and guiding them towards a decision.

Aimirr is an innovative platform powered by AI that aims to revolutionize the online shopping experience by offering accurate body measurements, smart size suggestions, and virtual fitting options. Its advanced body scanning technology works flawlessly on any device without requiring extra apps, producing 3D models with remarkable accuracy of up to 99% in less than a minute. By carefully comparing individual body metrics with product specifications, Aimirr creates customized size guides that eliminate the common doubts shoppers face when buying clothes online. The platform's virtual fitting room feature enables users to see how clothes would look on them in real time, using their precise measurements to enhance confidence and satisfaction in their choices. Furthermore, the easy integration with e-commerce platforms allows retailers to quickly adopt these features, ultimately reducing return rates and enhancing overall customer trust. This comprehensive approach to online shopping not only streamlines the purchasing process but also fosters a more enjoyable experience for consumers.

Aistetic has developed an AI-driven Shopify application that delivers tailored and precise sizing suggestions through both a quick sizing method and an in-depth profile option that includes scanning. The quick sizing method only requires the user's gender, height, weight, and age, providing accurate size recommendations in just five seconds. On the other hand, the complete profile option incorporates a precise scanning feature to generate a comprehensive size profile, boasting an impressive 98% accuracy rate across various body types. The app's user-friendly design allows for a single scan to facilitate repeat purchases, and it does not mandate any sign-up or login for users to create a profile. The integration process is seamless, featuring a no-code solution available on the Shopify App Store, which allows merchants to get started in under one minute. Aistetic's advanced technology taps into over 10 billion data points and evaluates more than 700,000 clothing websites, having delivered upwards of 100,000 recommendations thus far. Furthermore, the platform adheres strictly to GDPR regulations, ensuring the utmost security and privacy of user data. By offering a unique combination of speed, accuracy, and user convenience, Aistetic is setting a new standard in the realm of online shopping experiences.