My children play violin and cello. We sometimes make recordings for the grandparents or friends, often with piano accompaniment. These are just done in our living room with an iphone camera and the built-in microphone from about two meters away.
I would like to invest a little money in getting better sound quality for these recordings.
I read about the types of microphones, and I assume I want a ribbon mic somewhere between the instruments. I've read other answers1 2, but they seem to suggest fancy equipment that sounds more professional than I'm looking for.
Is it OK to just connect a microphone to my iphone through some kind of adapter?
The serious users seem to have a pre-amp and audio mixer. Is there any reason to get that route for my use case?