The DAQIchirp app works with DAQICONCEPT Chirp. Use the DAQIchirp app for Chirp to personalize your own wake up experience. The features include: - Alarm - Set the bird sound with the environment sound that you like to wake you up in the morning. It includes 16 special bird chirps and 8 comfortable environment sounds. - Nature Sounds - 15 selected nature songs to play whether you're working or relaxing. - Time - Set 12-hour or 24-hour format to show on DAQICONCEPT CHIRP display.