Loading…
CompareOpen in App Store
★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Vietnam, updated 23 Oct 2026
Top free
Not in this chart today
Top paid · All apps and games
#2 –
The daily graph appears once there are at least two days of data for this country.
Best rank in each country today. Click a country to see its graph.
ProPi System Analyzer is a professional audio measurement and system alignment tool designed for sound engineers, technicians, and live sound professionals. ProPi helps you analyze and optimize sound systems directly on iPhone with real-time measurement tools for system tuning and acoustic analysis. Key features include: • RTA and spectrum analysis • Phase and magnitude measurement • Impulse response analysis • Group delay measurement • SPL monitoring • Delay and time alignment tools • Sweep and pink-noise measurement • Subwoofer system analysis and alignment • Subwoofer array visualization • Crossover and system tuning tools • Professional audio measurement displays ProPi is designed for PA systems, live sound, speaker alignment, system commissioning, and acoustic troubleshooting. Whether you are aligning subwoofers with main speakers, checking phase relationships, analyzing frequency response, or tuning a complete sound system, ProPi provides the measurement tools needed for professional audio work.