181+ iOS apps curated and reviewed
Every iPhone needs a few good ring sizer by jason apps. We benchmark 181+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | 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 | 4.8★ (556) | No | Yes | Aug 2026 |
| 4 |  | Free | — | No | No | Jul 2026 |
| 5 |  | Free | 4.7★ (78) | No | Yes | Jul 2026 |
| 6 |  | Free | 5.0★ (2) | No | Yes | May 2026 |
| 7 |  | Free | 4.5★ (22) | No | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 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.
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 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 rings and jewelry with precision using your phone. Features include real-time finger sizing, global size support, and measurement history. Perfect for enthusiasts and professionals alike.
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 determine ring sizes in UK, EU, or USA measurements using your phone. Simply place an existing ring on your screen and adjust a circle to match its inner diameter, perfect for keeping gifts a surprise.
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.
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.
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.
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 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.
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 using your iPhone's screen. Measure existing rings or your finger directly, with support for international sizing standards and a built-in ruler for everyday use.
Accurately determine your ring size using your phone's screen or a built-in ruler. Supports multiple international sizing standards and allows saving measurements for future use. Ideal for online shoppers and jewelers.
