197+ iOS apps curated and reviewed
Flying Ruler is the household name in flying ruler, but it's far from the only option. We track 197+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 4.1★ (186) | No | No | Jul 2026 |
| 2 |  | Free | 4.3★ (35K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.2★ (4.3K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.2★ (358) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.2★ (2.6K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.3★ (1K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 3.9★ (205) | No | No | May 2026 |
| 8 |  | Free | 3.5★ (884) | No | Yes | Aug 2026 |
Measure distances and angles using your device's sensors. This app functions as a ruler, tape measure, rangefinder, protractor, and 3D angle finder, offering a quick and accurate way to take measurements in various conditions.
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 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 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 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 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 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 distances, heights, and widths of objects using your device's camera. This app utilizes augmented reality and your device's tilt angle to provide on-screen measurements. It's intuitive for various uses, from measuring buildings to aiding in golf.
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 smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your device's screen. Ideal for quick estimations and practical applications.
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 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.
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 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.
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 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.
This app uses augmented reality to measure distances, lengths, heights, and angles with your device's camera. It offers various modes for accurate measurements on different surfaces and for small objects. Users can save their measurements directly to their camera roll.
Transform your phone into a precise measuring device using augmented reality. Measure distances, surfaces, and object sizes with an intuitive interface and accurate results.