193+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our ruler cm list covers 193+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.5★ (884) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.3★ (995) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.3★ (35K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.4★ (87K) | No | Yes | Jul 2026 |
| 5 |  | Free | 3.5★ (78) | Yes | Yes | May 2026 |
| 6 |  | Free | 4.3★ (36) | No | Yes | May 2026 |
| 7 |  | Free | 4.0★ (1) | No | Yes | May 2026 |
| 8 |  | Free | 4.6★ (42K) | Yes | Yes | Jul 2026 |
This app allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick measurements.
This app turns your device into a versatile ruler and tape measure using advanced AR technology. It offers precise measurements for objects, rooms, and complex shapes, along with unit conversion and a history log. Ideal for professionals and everyday users needing accurate measurements.
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.
Transform your device into a versatile digital toolkit for precise measurements. Create 2D and 3D floor plans, scan rooms, and measure distances with advanced AI and computer vision. Ideal for DIY projects, home renovations, and professional use.
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.
Transform your phone into a precise measuring tool for any task. Accurately measure small objects on your screen or larger items using augmented reality. Save your measurements and switch between units effortlessly.
This app provides a digital ruler for measuring the length and diameter of small objects directly on your device. It features a millimeter scale and allows for easy sliding to measure.
This augmented reality app transforms your phone into a versatile measuring tool. Accurately measure distances, surfaces, angles, and even detect studs. Visualize furniture placement and create floor plans with ease.
This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.
This app provides a precise on-screen measuring tool for your iPhone or iPad. Easily measure length and width in centimeters, millimeters, or inches, with options to save measurements as photos and customize the ruler's appearance. It's designed for accurate, user-friendly measurements.
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.
Transform your phone into a powerful measuring tool using augmented reality. Accurately measure length, height, and area of objects simply by pointing your camera. Includes a bubble level for precise surface alignment.
This utility app provides a portable ruler for on-the-go measurements. It also includes a suite of additional tools like a protractor, spirit level, and various meters for diverse measurement needs.
This app functions as a digital measuring tool, allowing you to measure objects and distances with accuracy. It also enables you to create sketches with text annotations and share your measurements and designs.
Measure objects using your device's screen, augmented reality, or by printing a ruler. Offers three distinct methods for on-demand measurement without physical tools.
Transform your device into a powerful measuring tool using augmented reality. Accurately measure objects and spaces by simply pointing your camera. Save, share, and manage your measurements with ease.
This app uses your phone's camera and AR technology to measure distances, lengths, angles, areas, and volumes of real-world objects. It offers a variety of tools for quick and precise measurements, suitable for both home and professional use.
Measure objects in the real world using your phone's camera. Point and tap to get accurate distances and lengths, or use it as an on-screen ruler. Ideal for professionals and DIYers needing precise measurements.
Transform your iPhone into a precise measuring tool using augmented reality. Measure distances and dimensions instantly in centimeters, inches, or meters with a simple tap-and-measure interface. Ideal for DIY projects, design tasks, and everyday measurements.
Measure lengths and distances in the real world using your device's camera. This app utilizes augmented reality to let you draw lines, measure multiple segments, and calculate perimeters with ease.