SoundIt App receives praise for its simplicity and effectiveness in streaming audio across devices. Users appreciate its reliability and ease of use, with many noting it performs better than premium alternatives. However, some users report issues with non-ASCII character support and sound quality, suggesting improvements like an equalizer or less compression. A few users express frustration over limited customer support and configuration options for individual device volume control. Overall, SoundIt is valued for solving audio streaming needs efficiently, despite some technical limitations.