190+ iOS apps curated and reviewed
Looking for free ruler apps? 20 of our 190+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (35K) | No | Yes | Jul 2026 |
| 2 |  | Free | 3.1★ (1.6K) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (549) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (42K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 3.4★ (19) | Yes | Yes | May 2026 |
| 6 |  | Free | 4.4★ (87K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.2★ (358) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.3★ (995) | Yes | Yes | Jul 2026 |
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 digital tape measure. Quickly gauge the size of real-world objects, determine a person's height, and automatically get dimensions for rectangular items. Save and share your measurements easily.
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 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.
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.
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 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.
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 allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick measurements.
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.
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.
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.
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.
A straightforward measuring tool for iPhones, offering accurate measurements in both millimeters and inches. It's designed for ease of use and provides a cool, functional experience for everyday measuring needs.
Measure objects and spaces using your device's camera with augmented reality. This app offers tools for measuring lengths, heights, areas, and creating floor plans. Save and share your measurements for various projects.
Transform your smartphone into a virtual measuring tape and ruler using augmented reality. Accurately measure length, height, and area of objects horizontally and vertically. Create detailed floor plans, scan rooms for 3D models, and easily share your measurements.
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.
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 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.