239+ iOS apps curated and reviewed
The best shoe size ruler apps on iPhone average 3.2★ across 239+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 1.7★ (6) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 5.0★ (2) | Yes | Yes | Nov 2026 | |
| 3 |  | Free | 4.2★ (422) | Yes | No | Nov 2026 | |
| 4 |  | Free | 3.3★ (7) | No | No | Nov 2026 | |
| 5 |  | Free | 4.3★ (35K) | No | Yes | Nov 2026 | |
| 6 |  | Free | — | No | Yes | Oct 2026 | |
| 7 |  | Free | — | Yes | No | May 2026 | |
| 8 |  | Free | 3.5★ (954) | No | Yes | Nov 2026 |
Accurately measure your foot length and width using your phone's camera to find the perfect shoe size for online shopping. Get instant results and access international size charts for men, women, and children.
This app provides a highly accurate, actual-size ruler that adapts to any screen. It offers dual-edge measurement, a precision caliper mode, and universal calibration for reliable real-world measurements. It functions offline and is designed for various devices.
Measure objects and distances with an on-screen ruler and augmented reality. Supports inches and centimeters, with features for linear sizes, angles, area, volume, and more. Save your measurements for later use.
