Dont receive calls/Facetime
Be prepared to lose long recordings-in-progress if you get a FaceTime call in the middle. I suspect this is true with other modal notifications as well (eg alarm clock). This has to do with the fact that the audio only gets compressed down to a file after recording stops. PS To make emailing easier record at low quality -- not a big deal if the sound is speech only.
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Audio Memos Pro, v4.0.2