241+ 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 241+ 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 | Yes | Oct 2026 | |
| 2 |  | Free | 5.0★ (1) | Yes | Yes | Jun 2026 | |
| 3 |  | Free | 4.2★ (2.4K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.8★ (456) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 2.3★ (6) | — | No | May 2026 | |
| 6 |  | Free | — | No | Yes | Sep 2026 | |
| 7 |  | Free | 1.0★ (1) | No | Yes | Sep 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.
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.
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.
