WiFi and internet go hand-in-hand, but they are not the same thing. Internet service is what gives you the ability to access the web. WiFi is what distributes internet service throughout your home so that you can access it wirelessly. Without WiFi, you can only connect to your internet service through a wired connection. Typically, WiFi connects your laptop, phone, tablet, and other devices to the internet. WiFi is the easiest way for most devices to access the internet.