239+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our mm ruler screen list covers 239+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (24) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 3.5★ (79) | Yes | No | Oct 2026 | |
| 3 |  | Free | — | — | No | Sep 2026 | |
| 4 |  | Free | 3.9★ (205) | No | No | May 2026 | |
| 5 |  | Free | 4.3★ (35K) | No | Yes | Oct 2026 | |
| 6 |  | $3.99 | 4.4★ (108) | No | No | Aug 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | — | Yes | No | May 2026 |
Turn your iPhone or iPad into a precise measuring tool. Easily measure lengths in centimeters or inches with features like magnifier mode and haptic feedback. Ideal for daily tasks, office use, DIY projects, and on-the-go measurements.
Measure lengths, widths, and diagonals accurately using your phone. Switch between metric and imperial units, and utilize flexible starting points for precise measurements in any direction. Features auto-calibration for minimal error and a screen lock to preserve readings.
