Works with no Wi-Fi network
The two devices connect to each other directly, so a field with no router and no signal is fine. No account, and nothing about your script leaves the two devices.
iOSWorks differentlyAndroidAvailable
- iOSTwo Apple devices pair with no network at all. Pairing with an Android second screen, the Android device is the one that shows the code — scan it with the iPhone and you are connected.