235+ iOS apps curated and reviewed
Out of 235+ ruler image apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 1.6★ (45) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.3★ (35K) | No | Yes | Nov 2026 | |
| 3 |  | Free | — | Yes | Yes | Oct 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | Yes | No | May 2026 | |
| 6 |  | Free | 5.0★ (2) | Yes | Yes | Nov 2026 | |
| 7 |  | Free | — | Yes | Yes | Oct 2026 | |
| 8 |  | Free | 4.2★ (422) | Yes | No | Nov 2026 |
This app allows you to measure objects directly on photos. Simply take a picture, mark a known object for reference, and then draw measurements on other items within the same image. It supports both metric and imperial units and offers intuitive editing tools.
This app provides a versatile toolkit for all your measurement needs. It includes a classic ruler, a tape measure, and a camera ruler for precise measurements. Easily switch between units and document your findings by adding measurements directly to photos.
