187+ iOS apps curated and reviewed
Out of 187+ ruler image apps on iOS, 19 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 | 4.3★ (35K) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.2★ (2.6K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 1.5★ (44) | No | No | Jun 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 4.2★ (4.2K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 3.9★ (205) | No | No | May 2026 |
| 7 |  | Free | 4.4★ (932) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (549) | 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.
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 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 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.
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 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.
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.
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 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.
Measure lengths and distances in the real world using your device's camera. Supports single line, chained measurements, and perimeter calculations. Customize measurements with different colors.
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.
Quickly tag and annotate dimensions, angles, and shapes on your photos. Streamline decoration and measurement tasks with efficient project saving and export options. Enhance your workflow with various annotation tools and integration capabilities.
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 allows users to take photos and add precise measurements, notes, and annotations to them. It's ideal for room planning and interior design, enabling easy collaboration and sharing of project details with clients and colleagues.
This utility app uses augmented reality to measure the length and area of real-world objects using your smartphone's camera. It offers unlimited measurements and an ad-free experience with premium subscriptions.
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 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.
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.