In most cases, people use a computer because it's usually available in the form of a PC or laptop and only requires the necessary software to be installed. For Apple computers, the free GarageBand program comes as part of the package. Otherwise, programs like Logic, Cubase, Ableton Live, Studio One, or Pro Tools are the most commonly used DAWs (Digital Audio Workstations).
As an alternative to computers, tablets or specifically designed digital recorders are available. Our Home Recording Guide provides insights on what to consider when getting recording software.
Now, let's take a look at four possible setups for guitar recording.