250+ iOS apps curated and reviewed
Out of 250+ colmi ring sizer apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (2.4K) | Yes | Yes | Sep 2026 |
| 2 |  | Free | 4.5★ (6.7K) | Yes | Yes | Sep 2026 |
| 3 |  | Free | 2.0★ (24) | No | No | Aug 2026 |
| 4 |  | Free | 2.7★ (14) | Yes | Yes | Aug 2026 |
| 5 |  | Free | — | No | Yes | Jun 2026 |
| 6 |  | Free was $9.99 | — | No | No | Aug 2026 |
| 7 |  | Free | — | No | Yes | Aug 2026 |
| 8 |  | Free | — | No | Yes | Jun 2026 |
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 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.
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.
Accurately measure rings, jewelry, and other objects using advanced AR technology and a digital ruler. Supports multiple international sizing systems for precise fitting.
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.
Easily and accurately measure your ring size using your smartphone. Ideal for online jewelry purchases or verifying existing ring dimensions. Offers multiple sizing systems and a clean interface.