I already have a microphone, do I really have to buy another one just to use with my phone?

Not at all. Rather than buying another microphone, we'd recommend you go for an iOS compatible Audio Interface. This will also offer you additional inputs and outputs and some will even power your device when you're recording!

Will an iOS microphone work with my home computer?

We do stock microphones which will work on both iOS and home computers. However, some of the mics do require a TRRS headphone connection, which a lot of computers won't support, so it's worth checking the microphone's specifications before making a purchase.