242+ iOS apps curated and reviewed
If you already know Ring Sizer by Jason Withers ©, this is the deeper bench. 242+ ring size app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (6.7K) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.7★ (604) | No | Yes | Sep 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 4.2★ (2.4K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free was $0.99 | 4.8★ (456) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 4.4★ (9) | No | No | Sep 2026 | |
| 7 |  | Free | 2.3★ (6) | — | No | May 2026 | |
| 8 |  | Free | 4.8★ (85) | Yes | Yes | Sep 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.
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.
