Android Audio Recorder is described as 'Audio recorder with custom recording folder, nice recording volume indicator, recording notification, recording lock screen activity' and is a Audio Recorder in the audio & music category. There are more than 25 alternatives to Android Audio Recorder for a variety of platforms, including Windows, Mac, Android, F-Droid and Linux apps. The best Android Audio Recorder alternative is Audacity, which is both free and Open Source. Other great apps like Android Audio Recorder are Fossify Voice Recorder, Recording Studio, Simple Voice Recorder and Audio Recorder by Dimowner.
Samsung Voice Recorder can only save recordings in m4a format, and only allows you to adjust the quality by choosing one of three presets: 48kHz @ 256kbps, 44.1kHz @ 128kbps, and 44.1kHz @ 64kbps.