182+ iOS apps curated and reviewed
If you already know Ruler, this is the deeper bench. 182+ mm ruler free apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.
Measure length conveniently anytime and anywhere with this screen ruler application, offering various ruler classifications, custom sizing, screen lock, screenshot capture, child mode, and easy contact options for support. Explore the versatility of length measurements on your phone with Ruler ME!
A high-precision ruler app for iPhone and iPad featuring accurate measurement in inches, mm, and cm. Save measurements as photos, select from three ruler colors, and easily toggle between different units. Enjoy precise measurements with the ability to save results to your device's Camera Roll.
A convenient tool for measuring objects using your phone's camera. Simply snap a photo and use the app to measure the dimensions of objects. Try it out now for easy and accurate measurements!
A portable measuring tool app that provides a range of features including a ruler, protractor, plumb line, spirit level, altimeter, air pressure and location meter, decibel meter, and ordinal date converter, allowing you to measure and calculate various parameters with your phone. Download it now to have a versatile measuring tool always at your fingertips.
Measure anything with a handy digital ruler and create sketches with text editing options using this smart electronic measuring tool app. Features include imperial and metric units, rangefinder, sketch mode, and sharing capabilities. Subscription unlocks additional features like the Area Tool, Undo, Flashlight, and Magnet.
Easily measure lengths in both inches and centimeters with this convenient application. Simply download now to streamline your measuring needs.
A versatile measurement app offering both on-screen and AR ruler functionalities. Measure linear sizes, angles, area, volumes, heights, and more with precision. Try it out for all your measuring needs!
This application allows users to measure real-world objects accurately using their iPhone, with measurements displayed in both millimeters and inches. It's a simple yet useful tool that can be used to measure objects of all sizes.
An app that ensures accurate measurements by adapting its ruler to the specific screen width of your device, tested on various iPhone, iPad, and iPod models. Get precise measurements on your device today!
Turn your mobile device into a precise measuring tool that's always with you, and easily measure various lengths with confidence using a clean and intuitive interface. Download now and start measuring like a pro with features like dual units, precision calibration, and haptic feedback!
A powerful AR tape measure tool that uses augmented reality technology to measure real-world objects with your smartphone's camera. Features include measuring linear sizes, distances, angles, area, volume, and height accurately. Try our Premium subscription for ad-free experience and unlimited projects. [Call-to-action: Experience precise measurements with AR technology today!]
This application is a plotting scale that helps measure the length of small objects and insects, with a squared millimeter grid on the lower left for estimating diameters. Simply hold your device and slide it to the right to start measuring.
Experience the future of measuring with our innovative augmented reality tape measure application. Effortlessly measure objects using your smartphone's camera with precision and ease. Try it now for accurate measurements at your fingertips!
This application uses augmented reality technology to measure the length and area of real-world objects with your smartphone's camera, providing accurate results with no annoying ads in its premium version. Try it now and take advantage of its unlimited measurement features with a subscription.
This measurement tool uses your device's touchscreen as a ruler or tape measure, allowing you to make quick measurements, calculate areas and ratios, and split objects into equal parts. With various features and units, you can easily measure small objects and utilize it in different areas for tasks such as measuring jewelry, screws, or knitting patterns.
Experience a revolutionary way to measure with your iPhone using Ruler AR - Tape Measure. Utilizing Apple ARKit and augmented reality, get precise dimensions of objects using your phone's camera. Features include measuring distance, length, height, area, and angles, with the option to save measurements with ease. For premium functionality and ad removal, consider the Premium Membership Weekly subscription.
An innovative AR measurement app utilizing AR technology for room measurements, object sizing, distance estimation, and more. Simply point your camera, aim at a surface, and begin measuring in various units with precision. Start measuring now!
Access a powerful toolkit through augmented reality, including features like Tape Measure, Ruler, Height Tool, and more. Join over 5,000,000 users already benefiting from precise measurements for various tasks.
An augmented reality app that turns your smartphone into a virtual measuring tape, allowing you to measure room dimensions and create floor plans easily. Switch between Imperial and Metric units, add doors and windows, and share or export floor plans conveniently. Try it now for a fun and efficient way to plan and measure spaces!