To use the Nintendo Switch Online app, you must have the following:
A Nintendo Switch and compatible game (either physical or digital).
An Android or iOS smart device.
A Nintendo Account linked to your Nintendo Switch console and smart device.
An active Nintendo Switch Online membership is required to use the online features of the Nintendo Switch Online app.
Important: The Nintendo Switch Online app service can be used by Nintendo Account holders who are age 13 and older.
An active Internet connection is required to download and use the application. As with most applications, data usage rate will vary by application feature. Your internet/mobile service provider may apply data charges based on how you connect the smart device to the Internet. The Nintendo Switch Online application can use mobile data or Wi-Fi network.