247+ iOS apps curated and reviewed
Ring Sizer by Jason Withers © is the household name in ring sizing app, but it's far from the only option. We track 247+ 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★ (6.9K) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.7★ (614) | No | Yes | Oct 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 4.2★ (2.4K) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 4.1★ (18) | No | No | Oct 2026 | |
| 6 |  | Free | 3.7★ (3) | No | Yes | Oct 2026 | |
| 7 |  | Free | — | Yes | Yes | Oct 2026 | |
| 8 |  | Free | 4.4★ (75) | Yes | Yes | Oct 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.
