If you’re looking to take your underwater photography and videography to the next level, then you’ll want to learn how to make underwater audio on an iPhone. There are a few different ways that you can do this, but the easiest way is by using an app like Audio Recorder for iPhone. Once you have the app installed, all you need to do is open it up and start recording. You can record audio or video, but we recommend focusing on audio first because it’s more difficult to edit. Once you’ve recorded your audio, all you need to do is export it to a file format that can be played back underwater. There are a few different options for exporting your audio, but we recommend using WAV or MP3 files because they’re both easy to play back underwater. Once you’ve exported your files, just attach them to your photos or videos and you’re ready to go! ..