# Audio Spectrum Pro: Analyzer — Spectrum, tuner, RT60 & more

> Spectrum, tuner, RT60 & more (iPhone/iPad app by VADMAX SP Z 0 0.)

- Source: https://appshunter.io/ios/app/audio-spectrum-pro-analyzer/id6780856025 (this page in markdown: same URL + `.md`)
- Developer: [VADMAX SP Z 0 0](https://appshunter.io/developer/1539621802)
- Category: Music, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.2 · 3 MB
- Languages: American English
- Released: 2026-06-26
- Data updated: 2026-07-17
- User reviews in markdown: https://appshunter.io/ios/app/audio-spectrum-pro-analyzer/id6780856025/reviews.md

## What is Audio Spectrum Pro?

A professional audio toolkit for live sound engineers.

Audio Spectrum Pro is a complete measurement suite on your iPhone: spectrum analyzer, chromatic tuner, oscilloscope, loudness meter, test-signal generator, and RT60 reverberation time measurement. Everything in one app, with a dark interface built for the stage and the concert hall.

SPECTRUM ANALYZER
Real-time spectrum from 50 Hz to 16 kHz on a logarithmic scale. Automatic peak detection highlights problem frequencies instantly. The "EQ Suggestions" panel tells you which band to cut and by how many decibels - before feedback ever happens.

CHROMATIC TUNER
High-precision pitch detection accurate to hundredths of a cent. Supports guitar, bass, violin, viola, cello, ukulele, mandolin, banjo, and a chromatic mode. Adjustable A4 reference, capo support, and a noise gate to reject bleed from the PA.

OSCILLOSCOPE
Real-time waveform display for signal-integrity checks, phase inspection, and clipping detection. The first thing you reach for when something sounds wrong.

LOUDNESS METER
Simultaneous RMS and true-peak readout with a scrolling history graph (120 frames). Watch your average level and catch peak spikes before they slam your limiters.

TEST-SIGNAL GENERATOR
Pink noise, white noise, a logarithmic sine sweep (20 Hz to 20 kHz), or a fixed tone from 50 Hz to 8 kHz - all played through the speaker while the mic keeps analyzing. Tune PA systems, ring out monitor wedges, and find room resonances without a separate signal generator.

RT60 REVERBERATION ANALYSIS
Tap Start, make an impulse (a clap, a click, or a sine sweep) - the app records the decay, computes T20, and extrapolates RT60. Size up a room's acoustics in seconds and know whether they're working for you or against you.

BUILT FOR THE FIELD
- Mic gain control with the volume buttons - one hand, while the other stays on the console
- Fully dark interface - readable under stage lighting, easy on your night vision
- Landscape orientation - lay it on the meter bridge or a side table
- Three interface languages: English, Russian, Ukrainian

Microphone access is required. A speaker or headphones are needed to play test signals.


## Version history (last 3 releases)

### 1.2 — 2026-07-07

• More reliable audio during phone calls, headphone/Bluetooth changes and backgrounding
• Fixed a rare crash and a loudness reading affected by input gain
• Test signals now play even with the silent switch on
• The microphone-permission prompt now links straight to Settings
• New: optional anonymous usage statistics to help improve the app - turn it off anytime in Settings

### 1.1 — 2026-07-03

• New tuner engine (YIN) - accurate on low strings, no octave errors
• Loudness in true LUFS (Momentary / Short-term / Integrated, ITU-R BS.1770) plus oversampled True Peak
• RT60 octave-band results (250 Hz - 4 kHz)
• Peak hold trace on the spectrum (HOLD button)
• Share button - export the current screen as an image
• Screen stays awake during measurements, plus fixes and polish

### 1.0 — 2026-06-26

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*