call recording application

8 free HD recording apps with noise reduction
every smartphone comes with a default voice recorder app, but they're just basic apps. third-party apps have different sound quality, background noise reduction, and more for clearer and sharper sound.
3 easy ways to record calls on iPhone
there are many cases where you need to record calls on your iphone, from job exchange, customer care to interviews. these are the most effective ways to save these conversations.