SpectralScan Audio Analyzer vs VA Auto

SpectralScan turns your phone into a professional audio analysis tool. Real-Time Analyzer (RTA) Visualize your acoustic environment live with a high-resolution frequency spectrum. Adjust smoothing, peak hold, and frequency range on the fly. Sine Sweep Measurements Run a precision sine sweep and capture the full frequency response and impulse response of any speaker, room, or audio system. Spectrogram Watch frequency content evolve over time with a scrolling waterfall display. Compare & Export Save multiple measurements, overlay them for comparison, and export as CSV or PNG. Pro features: multiple sweep measurements, fine octave smoothing, peak frequency display, and additional color themes and more coming.

VA Auto-EQ is a professional tuning and control app designed for compatible subwoofers and audio devices. Connect via Bluetooth to monitor device status, adjust sound parameters, and optimize audio performance for different listening environments.Key Features:• Bluetooth Device Control Search for and connect to compatible devices, with real-time synchronization of volume, equalizer, crossover, and other audio settings. Custom device names make connected products easier to identify.• Volume, Phase, and Delay Adjust output volume, switch between 0° and 180° phase, and configure audio delay to improve low-frequency alignment and overall listening performance.• Multiple Sound Modes Choose from Music, Cinema, Night, and Flat modes. Each mode can be adjusted to suit music playback, movie viewing, nighttime listening, and other scenarios.• Six-Band Parametric Equalizer Fine-tune frequency, gain, and Q values using an interactive EQ graph. Restore a flat response with one tap, or save, load, and delete custom EQ presets.• Auto EQ Calibration Start the scanning and calibration process, then compare the Target, Original, and Corrected curves on a single graph for a clear view of the resulting response.• Crossover and Filter Settings Configure the crossover frequency, subsonic filter, and output high-pass filter to achieve smoother integration between the subwoofer and main speakers.• Device Status and Management View software and MCU versions, receive device status and warning notifications, and restore factory settings when required.• Demo Mode Explore the main controls and tuning interface without connecting to a physical device.VA Auto-EQ features a landscape-oriented interface that keeps essential controls clear and accessible, making it suitable for home theaters, music systems, and professional audio setup.Please note: This app requires a supported Bluetooth audio device. Available features may vary depending on the device model and firmware version.