Easily determine your correct ring size using your smartphone's camera. This app provides accurate measurements for online jewelry purchases or custom designs, eliminating the need for resizing.




207+ iOS apps curated and reviewed
Ring Sizer. is the household name in free ring sizing app, but it's far from the only option. We track 207+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.




Easily determine your correct ring size using your smartphone's camera. This app provides accurate measurements for online jewelry purchases or custom designs, eliminating the need for resizing.






Easily determine your ring size across multiple countries using metric or imperial units. Features visual guides and supports various international sizing standards. Share your size and explore a jewelry catalog.




This app helps you accurately measure your ring size at home. It offers precise measurements in various units and international standards, eliminating guesswork for perfect-fitting jewelry. Ideal for online shoppers, gift-givers, and jewelers.


This application helps you accurately measure ring and finger sizes without the need for physical tools. It offers a user-friendly interface and supports various measurement systems for precise results, making online jewelry shopping easier.


Accurately measure your finger size or compare existing rings to find the perfect fit. This tool simplifies ring sizing for confident online purchases and jewelry selection.


Easily measure jewelry ring sizes using your phone's screen. Simply place your ring on the screen and adjust the slider to match its inner edge. The app provides accurate sizing in multiple international measurement systems.


Easily determine your precise ring size using your iPhone's camera. Get measurements in various units and international standards, with helpful guides and sharing options.


Easily measure your finger and ring sizes from home with this intuitive app. It uses advanced technology to ensure accurate sizing for wedding or engagement rings, helping you find the perfect fit for online or in-store purchases.


Easily determine your ring size using your phone's screen. Simply place a ring on the designated area and adjust the slider to match its inner edges. The app then displays your ring size in various international formats.


Easily determine your ring size from the comfort of your home. This app eliminates the need for physical charts or store visits, providing quick and accurate sizing in minutes.


Easily measure your ring size accurately from home using your phone. Supports multiple international sizing standards and offers helpful tips for jewelry care. Perfect for online shopping or buying gifts.


Accurately measure your ring size for any jewelry purchase. This app provides precise sizing guides, international compatibility, and allows you to save your measurements for easy reference. Get expert tips to enhance your jewelry shopping experience.


Instantly determine your ring size by taking a photo of your hand. The app uses advanced AI vision algorithms to accurately calculate your perfect fit, requiring only a standard-sized card in the frame for reference.


Measure your ring size accurately by placing a ring on your screen and adjusting a dot to match its inner diameter. Get your size in seconds without needing a physical sizer.




Easily determine your correct ring size for ordering class rings. This app works on any mobile device and for any finger, ensuring you can confidently select your style without worrying about size accuracy.


Discover how to transform any US dollar bill into a wearable ring. This app provides step-by-step instructions with high-resolution photos and clear diagrams to guide you through the folding process. No additional materials are needed, just a bill and your hands.


This app helps you find the perfect fit for your ring. It provides a sizing tool to ensure accuracy before you purchase.


Easily determine your accurate ring size for any finger with this intuitive application. It provides precise measurements down to 1/8 sizes and offers convenient conversion to international sizing standards.


This app helps you plan your entire wedding from start to finish. It offers tools for creating a countdown, managing checklists, finding vendors, building a wedding website, tracking guests, and setting up a registry. You can also manage your budget and get personalized style inspiration.