185+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our mm ruler photo list covers 185+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (35K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.2★ (2.6K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 3.5★ (78) | Yes | Yes | May 2026 |
| 4 |  | Free | 3.9★ (205) | No | No | May 2026 |
| 5 |  | Free | 4.2★ (4.3K) | Yes | Yes | Aug 2026 |
| 6 |  | $1.99 | 4.3★ (593) | No | No | Aug 2026 |
| 7 |  | Free | 3.2★ (59) | No | No | Jul 2026 |
| 8 |  | Free | 4.6★ (957) | Yes | Yes | Aug 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.
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 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.
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 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 device into an extended measuring tool. This application allows you to measure objects of any length directly on your screen, supporting both inches and centimeters. Its intuitive interface makes precise measurements simple.
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.
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.
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.
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.
Transform your iPhone into a handy measuring tool. Accurately measure lengths in centimeters and inches, up to 1 meter, without needing a physical ruler.
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 allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick 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.
Easily transform your photos into perfect circles with adjustable borders. Save, print, email, or share your creations directly from the app. Offers powerful editing tools to enhance your images before making them round.
Utilize augmented reality to measure lengths, areas, and volumes of real-world objects and spaces. This tool offers multiple measurement modes for various shapes and can even calculate person heights. Save and share your measurements easily.
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.
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.