 The most important aspect of video making is sound quality. You can record using a microphone in your phone, but it won't always sound so good. If you record outside there's usually a lot of background noise. Using your headphones is also an option for a microphone. Gets the job done, decent sound quality and looks quite cool. There are all sorts of mics made for phones, but this one is really easy to use. It's a lav mic by RODE, the wireless go-to mic. To use it, you can just plug the transmitter into your phone using an iPhone adapter and add a cord to the microphone. Now I can easily record on my phone with great sound. Now I have high quality sound. You can hear me from over here, or here. And my audio won't be an issue. Jump over to Artlist Academy and check out our Audio Recording 101 course for lots of videos and which might be phones to use.