To record on Audacity, you simply need to set up your microphone, add a track, and press the "Record" button ...
You can record a phone call on your iPhone using third-party apps — but currently, there's no built-in way to record a call.
A new app offering to record your phone calls and pay you for the audio so it can sell the data to AI companies is, unbelievably, the No. 2 app in Apple’s U.S. App Store’s Social Networking section.