Walabot for iPhone: how does it work?

An iPhone can see through walls using Walabot, identifying wooden studs, pipes, wires and even moving objects such as mice or birds.

Apples iPhone now works with the Walabot, a handy DIY app and tool for home improvement projects. Specifically, Walabot, as the name suggests, is all about working with walls, like putting shelves, hanging a picture, or attaching a wall mount for a TV. In order to do this safely and with long term durability, it is important to find the strongest part of the wall.

Apple has increased the number of sensors placed in the iPhone in recent years. iPhone X introduced Face ID which is powered by a TrueDepth camera so it can’t be fooled by a photo. The iPhone 11 brought the U1 chip and ultra-wideband communication capabilities that allow precision tracking of an AirTag. The iPhone 12 Pro and Pro Max were the first smartphones to feature LiDAR, which uses laser projection and detection to calculate time-of-flight and measure distance to nearby objects.


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Even with all those sensors, an iPhone can’t see through walls without a little help. This is where Walabot comes in. It’s an iPhone accessory that has a companion app in the App Store. The Walabot device uses radio signals with antennas tuned to different frequencies to scan behind the surface of walls. This signal is converted into a visual display on the iPhone that allows the user to “see” through walls, revealing ideal locations for attaching wall brackets, shelves and other heavy objects. The connection to the iPhone is via Wi-Fi, so the Walabot does not need to be held near the iPhone to work.

What can a Walabot iPhone see?

Apple iPhone with Walabot scanning a wall

The Walabot can identify studs, the wooden structural part of a wall that provides strength and is the perfect location to mount a wall-mounted TV. Going beyond the capabilities of a simple stud finder, which uses magnets to find studs, Walabot’s radio signals can accurately display the size, shape and location of studs, making it possible to place a screw or a nail in the center, rather than risking a weak attachment near the edge. The maximum detection range is four inches and is designed for drywall. Other wall types may not work as well or scan at a shallower depth. Walabot also works with Android phones and has an app in the Google Play Store.

Pipes and wires are also detected by the Walabot and will be displayed on the iPhone screen via the Walabot app. The Walabot can even detect moving objects, potentially revealing any creatures that might be inside the walls. The Walabot is a versatile tool for all kinds of home improvement projects. This makes its $160 price tag a very affordable option for all owners with a iPhone and a need to see what’s behind the walls.

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Source: Walabot, Apple App Store

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Maria D. Ervin