Audiophilio

Now with vinyl tools: tonearm alignment, Wow & Flutter, plus a 3D waterfall, REW import/export, shelf EQ filters, and per-harmonic distortion analysis.

Audiophilio is the professional audio toolkit for the serious listener — a complete suite of measurement tools, room design, and system planning, engineered for iPhone, iPad, and Mac.

NOW IN 1.5: VINYL TOOLS + 3D WATERFALL

Two new tools for turntable owners. The Turntable Setup Suite handles tonearm alignment (Baerwald, Löfgren A, and Stevenson geometry) with a visual null-point diagram, tracking-force and anti-skate reference, and a step-by-step setup checklist. The Wow & Flutter meter measures speed stability from a 3150 Hz test record, with peak and RMS deviation and a live plot.

Plus: the Waterfall plot now renders in interactive 3D, the Frequency Response tool imports and exports REW measurements and prescribes high- and low-shelf EQ filters, and the THD+N Analyzer reveals a full harmonic profile (H2–H8).

SYSTEM DIAGNOSIS

Run your measurements, then let Audiophilio tell you what's wrong. System Diagnosis analyzes your RT60, channel balance, distortion, polarity, impedance, and early reflection data — then ranks every issue by severity so you know exactly what to fix first, with plain-English recommendations for each finding.

On devices with Apple Intelligence (iOS 26+), on-device AI goes deeper: richer explanations and more specific guidance, generated privately without sending your data anywhere.

MEASURE

• SPL Meter — real-time sound pressure levels with A/B/C/Z weighting and peak hold • Real-Time Analyzer — 1/3-octave spectrum analysis, live • LUFS Meter — momentary, short-term, and integrated K-weighted loudness • Waterfall Plot — 2D heat map and interactive 3D view to spot room modes and decay • Spectrogram — 2D frequency map for resonances and flutter echo • Oscilloscope — live triggered waveform display • Frequency Response & PEQ — log-sweep room and speaker measurement with up to 32 parametric EQ filters, including high/low shelf; import and export REW, plus MiniDSP and Equalizer APO export • RT60 Measurement — reverberation time per octave band • Energy Time Curve — direct sound, reflections, and ITDG • Channel Balance — L/R level and timing offset • Impedance Analyzer — resonance sweep for Fs, port tuning, and driver behavior • THD+N Analyzer — distortion, rattles, and buzzes via frequency sweep, with a per-frequency harmonic profile (H2–H8) • Delay Finder — speaker-to-listener delay and distance • Polarity Checker — correct or reversed speaker wiring • Noise Generator — white, pink, and brown noise for burn-in and acoustics

Every measurement tool shows your active input device — always know whether you're measuring with your UMIK-1 or the built-in mic.

VINYL

• Turntable Setup — tonearm alignment (Baerwald, Löfgren A, Stevenson), null-point diagram, tracking-force and anti-skate reference, and setup checklist • Wow & Flutter — speed-stability measurement from a test record • Cartridge Resonance — tonearm and cartridge resonant frequency

TRAIN

• Ear Trainer — learn to identify frequencies by ear with reference tones across all 31 bands, plus a scored quiz mode

DESIGN

• Room Designer — interactive 2D/3D room visualization with standing-wave heat maps, first reflection analysis, toe-in arcs, and room mode labels. LiDAR room scan on supported devices. • System Builder — document your full signal chain with flow diagrams. Export your component list as forum-friendly Markdown with one tap.

CALCULATE

• Room Modes Calculator • RT60 Calculator • SBIR Calculator • First Reflection Point • Schroeder Frequency • Crossover Calculator • dB Converter • Ohm's Law Calculator • Speaker Distance Calculator • Thiele-Small Parameters

COMMUNITY

Share your system with other audiophiles, browse how others listen, and connect in the Audiophilio Facebook group.

PRICING

Free: SPL Meter, Noise Generator, Ear Trainer reference tones, all calculators, one room, one system, iCloud sync. Premium ($44.99, one-time): everything else.

No ads, ever. No subscriptions. No tracking. Just tools.