110+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our ruler me list covers 110+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.5★ (78) | Yes | Yes | May 2026 |
| 2 |  | Free | — | Yes | No | Jul 2026 |
| 3 |  | Free | 4.3★ (133) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.3★ (35K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.6★ (549) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 3.4★ (19) | Yes | Yes | May 2026 |
| 7 |  | Free | 4.2★ (4.2K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 3.2★ (59) | No | No | Jul 2026 |
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 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.
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 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.
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 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 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 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 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.
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 allows you to measure lengths accurately in both inches and centimeters. It provides a simple and straightforward tool for quick 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.
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 iPhone into a handy measuring tool. Accurately measure lengths in centimeters and inches, up to 1 meter, without needing a physical ruler.
This application provides a precise measurement tool by rendering according to your device's screen width specifications. It has been tested on a wide range of Apple devices to ensure accuracy for your measuring needs.
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 and distances in the real world using your device's camera. Supports single line, chained measurements, and perimeter calculations. Customize measurements with different colors.
Accurately measure your pupillary distance in seconds for ordering prescription glasses online or for VR headset use. Offers automated and manual measurement methods for various needs, including distance, reading, and computer PD.
Measure distances and dimensions accurately using your device's camera with augmented reality. Features include undo, color customization, easy screenshots, single-tap measurements, and unit conversion (cm, m, inch).