248+ iOS apps curated and reviewed
If you already know Ring Sizer by Jason Withers ©, this is the deeper bench. 248+ ring size checker apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (6.7K) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | — | No | No | May 2026 | |
| 3 |  | Free | — | No | No | Oct 2026 | |
| 4 |  | Free | 4.7★ (604) | No | Yes | Oct 2026 | |
| 5 |  | Free | 5.0★ (2) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.2★ (2.4K) | Yes | Yes | Oct 2026 | |
| 7 |  | Free | — | No | Yes | Aug 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.
Measure your ring size accurately by placing a ring on your screen and adjusting a dot to match its inner diameter. Get your size in seconds without needing a physical sizer.
