250+ iOS apps curated and reviewed
Looking for free free digital ruler apps? 20 of our 250+ 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 | 4.4★ (88K) | No | Yes | Sep 2026 |
| 2 |  | Free | 4.2★ (399) | Yes | No | Aug 2026 |
| 3 |  | Free | 3.7★ (3) | No | No | Aug 2026 |
| 4 |  | Free | 4.3★ (35K) | No | Yes | Sep 2026 |
| 5 |  | Free | 2.0★ (1) | No | No | Aug 2026 |
| 6 |  | Free | 4.6★ (961) | Yes | Yes | Sep 2026 |
| 7 |  | Free | 4.4★ (931) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 3.5★ (79) | Yes | Yes | Aug 2026 |
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.
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.
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.
Measure objects directly on your smartphone screen without needing traditional tools. This utility offers an easy-to-use interface with accurate scales in centimeters and inches, supporting both horizontal and vertical measurements.
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 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.
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.
Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.
Transform your device into a precise measuring tool. Measure objects, distances, and spaces with fingertip accuracy. Offers real-time results in both metric and imperial units, with professional calibration for your specific device.
This digital ruler app provides precise measurements using your smartphone's camera. It offers imperial and metric units, a rangefinder, and a sketch mode for creating detailed plans with text editing. Easily share your creations directly from the app.
This utility app provides a digital and augmented reality ruler for precise measurements. It includes features like unit conversion, a built-in level, and the ability to record and store measurement data.
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 using your device's screen, augmented reality, or by printing a ruler. Offers three distinct methods for on-demand measurement without physical tools.
