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iPhone's Built-in Measure App Utilizes Camera and LiDAR for Object Measurement
Key points
- iPhone's Measure app uses camera and LiDAR for measurements.
- Available on iPhone 6s and newer models.
- Pro models with LiDAR offer enhanced features like instant height measurement.
- Includes a level function for surface alignment.
Measure App Functionality
The iPhone's built-in Measure app allows users to determine the dimensions of objects and surfaces using the device's camera. On iPhone Pro models, the app integrates LiDAR technology, which fires invisible lasers to accurately judge depth, providing more precise measurements and additional features.
Compatibility and Features
The Measure app comes preinstalled on all iPhone models from the iPhone 6s and first-generation iPhone SE onward. Pro models, starting with the iPhone 12 Pro, include LiDAR, which enables instant height measurements of people, guide lines that snap to edges, a ruler view with tick marks, and a list of current session measurements. Users can redownload the app from the App Store if it has been deleted.
The app also features a Level tab, which uses the iPhone's sensors to indicate the degree of tilt for surfaces, allowing users to check if an object is level or to compare the slopes of two different surfaces.
How to Use the App
Upon opening the Measure app, users must slowly move their phone to allow it to map the surroundings for accurate measurement. To measure an object, users aim a dot at one end, tap the '+' button, then move the camera to the other end and tap '+' again to display the length. The app can also automatically detect and measure rectangular objects.
Screenshots of measurements can be saved to Photos, and an undo button is available for corrections. Pro models maintain a list of measurements during a session, which can be saved externally before closing the app.
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Reporting from
The iPhone includes a pre-installed Measure app that uses the device's camera and, on Pro models, LiDAR, to measure objects and surfaces. This tool provides an alternative to traditional measuring devices for users who have an iPhone 6s or newer model.