Audiophilio

Audiophilio is the measurement toolkit for people who take their sound seriously. Turn your iPhone, iPad, or Mac into a pocket acoustics lab — measure a room, analyze a signal, design a system, and tune your setup by ear and by the numbers. MEASURE • SPL Meter — real-time sound levels with Z/A/B/C and ITU-468 weighting, fast/slow/impulse response, live history, and min/avg/peak capture • RTA — real-time 1/3-octave spectrum analyzer • LUFS loudness metering, distortion (THD), impedance, channel balance, and polarity checks VISUALIZE • Spectrogram and Waterfall for spectral detail over time • Frequency Response, RT60 reverb time, and Energy-Time Curve for room analysis • Oscilloscope and delay finder DESIGN • System Builder — document your whole signal chain source-to-speaker as a live signal-flow diagram • Room Designer — lay out your listening room in 3D, place speakers and seating to scale, and read an acoustic score before you move a thing LEARN & CALCULATE • Ear Trainer, signal & noise generators, dB converter, Ohm’s Law, room modes, Thiele-Small, and more SHARE • Publish your rigs and rooms and discover setups from the community Built for the whole lineup — iPhone, iPad, Mac, and now fully bespoke for the foldable iPhone Duo, with a layout that adapts from the cover screen to the inner display. Audiophilio is free to use, with advanced tools unlocked by a one-time Premium purchase — no subscription.