If you do not have a device connected to the computer, you will see No devices connected under the Device section of the Device and Simulator drop-down menu.
As noted earlier, when we start building the Let's Eat app, you will have the option of using the simulator or connecting a device to Xcode. Using a device is slower; however, the simulator will not perform in the same way as a device will.
In the past, you needed to have a paid account to build your app on a device. Nowadays, you do not need a developer account to run the app on your device. Note that, if you decide to connect your device instead of using a simulator, you will need iOS 12 installed on it. Xcode 10 introduced the capability of connecting your phone wirelessly. ...
