211+ iOS apps curated and reviewed
Ring Sizer by Jason Withers © is the household name in ring size chart, but it's far from the only option. We track 211+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (6.7K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.2★ (2.4K) | Yes | Yes | Aug 2026 |
| 3 |  | Free was $0.99 | 4.8★ (460) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | Yes | Yes | Jun 2026 |
| 5 |  | Free | — | No | Yes | Jun 2026 |
| 6 |  | Free | — | No | No | Jul 2026 |
| 7 |  | Free | — | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.8★ (35) | No | Yes | Jul 2026 |
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 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 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 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.
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 at home using your finger or an existing ring. Get results in multiple international sizing systems instantly. Save your measurements for future reference.
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.
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 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 for online shopping or personal measurement. This app helps you find the perfect fit by converting measurements and using your phone's camera for accurate finger sizing.
This app helps you find the perfect ring size with an innovative tap-to-measure feature and visual guides. It supports popular measurement systems like US and EU standards, making it ideal for both professionals and personal use.
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 perfect ring size from home using your phone's screen or camera. Get accurate measurements in seconds and convert between international sizing standards.