212+ iOS apps curated and reviewed
Ring Sizer Tool is the household name in ring size free, but it's far from the only option. We track 212+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (556) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (4.8K) | Yes | No | Jul 2026 |
| 3 |  | Free | 2.9★ (102) | Yes | No | May 2026 |
| 4 |  | Free | 4.2★ (2.1K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.7★ (78) | No | Yes | Jul 2026 |
| 6 |  | Free was $0.99 | 4.8★ (460) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 1.0★ (8) | No | No | Jul 2026 |
| 8 |  | Free | 4.6★ (162) | No | Yes | Jul 2026 |
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 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.
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.
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.
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 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 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 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.
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.
Instantly determine your precise ring size for online shopping, custom orders, or gift purchases. Offers multiple international sizing standards and saves your measurements for future use. Get accurate results with clear, step-by-step instructions.
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.
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.
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.
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 precise ring size with this user-friendly tool. Avoid guesswork and ensure a perfect fit for your next ring purchase, whether for yourself or a gift. It simplifies the sizing process for accurate results.
Easily measure your ring size or your finger's circumference using your iPhone. Get accurate results in seconds with 2D and 3D measurement options. Supports global size standards for convenient shopping.
Accurately determine your ring size using your phone's camera and screen. Offers four easy methods, including AR measurement and on-screen guides. Includes a comprehensive size chart for multiple regional standards.
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.