The software side is an nice touch, giving extra control over the audio properties via both mobile and desktop applications. The mobile app will also allow you to browse the stored audio files on the SD card. However, we run into problems at every turn. We could not get the mobile app working, nor could we update the firmware (manually or via the app). This is unfortunate as we assume that the firmware update likely fixes the issues with the app.
Mobile app, not connecting as it should