244+ iOS apps curated and reviewed
Every iPhone needs a few good ring size apps. We benchmark 244+ 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 | Yes | Sep 2026 | |
| 2 |  | Free | 4.7★ (600) | No | Yes | Sep 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 4.2★ (2.4K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.6★ (93) | No | Yes | Sep 2026 | |
| 6 |  | Free was $0.99 | 4.8★ (456) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.8★ (85) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 5.0★ (2) | No | No | Aug 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.
